diff --git a/.gitignore b/.gitignore
index 262f0db..64c4fad 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,5 @@
-juggl/config/config.txt
-juggl/config/config.path
-juggl/config/config.php
-graphics
+juggl/config/config.txt
+juggl/config/config.path
+juggl/config/config.php
+graphics
 .vscode
\ No newline at end of file
diff --git a/juggl-server/config/config.php b/juggl-server/api/config/config.php
similarity index 59%
rename from juggl-server/config/config.php
rename to juggl-server/api/config/config.php
index 4a9693c..3ae9a01 100644
--- a/juggl-server/config/config.php
+++ b/juggl-server/api/config/config.php
@@ -1,8 +1,12 @@
-<?php
-$config = [
-    "host" => "localhost",
-    "dbname" => "juggl",
-    "username" => "juggl",
-    "password" => "?=5,}f_F&){;@xthx-[i",
-    "table_prefix" => "ju_"
-];
+<?php
+ini_set('display_errors', 1);
+ini_set('display_startup_errors', 1);
+error_reporting(E_ALL | E_STRICT);
+
+$config = [
+    "host" => "localhost",
+    "dbname" => "juggl",
+    "username" => "juggl",
+    "password" => "?=5,}f_F&){;@xthx-[i",
+    "table_prefix" => "ju_"
+];
diff --git a/juggl-server/config/config.php.sample b/juggl-server/api/config/config.php.sample
similarity index 94%
rename from juggl-server/config/config.php.sample
rename to juggl-server/api/config/config.php.sample
index e7fa63d..f0688ee 100644
--- a/juggl-server/config/config.php.sample
+++ b/juggl-server/api/config/config.php.sample
@@ -1,8 +1,8 @@
-<?php
-$config = [
-    "host" => "",
-    "dbname" => "",
-    "username" => "",
-    "password" => "",
-    "table_prefix" => "ju_"
+<?php
+$config = [
+    "host" => "",
+    "dbname" => "",
+    "username" => "",
+    "password" => "",
+    "table_prefix" => "ju_"
 ];
\ No newline at end of file
diff --git a/juggl-server/endRecord.php b/juggl-server/api/endRecord.php
similarity index 94%
rename from juggl-server/endRecord.php
rename to juggl-server/api/endRecord.php
index c6acb86..c28cc46 100644
--- a/juggl-server/endRecord.php
+++ b/juggl-server/api/endRecord.php
@@ -1,28 +1,27 @@
-<?php
-session_start();
-require_once(__DIR__ . "/services/apiBranch.inc.php");
-require_once(__DIR__ . "/services/responses.inc.php");
-require_once(__DIR__ . "/services/jugglDbApi.inc.php");
-
-class EndRecordBranch extends ApiBranch
-{
-    function get(ParamCleaner $params)
-    {
-        respondStatus(405);
-    }
-
-    function post(ParamCleaner $params)
-    {
-        $user_id = $params->get("user_id");
-        $params->select("request");
-
-        if ($params->exists(["end_time", "record_id"]) == false) {
-            respondStatus(400, "Missing parameter");
-        }
-
-        updateEndRecord($user_id, $params);
-    }
-}
-
-$branch = new EndRecordBranch();
-$branch->execute();
+<?php
+session_start();
+require_once(__DIR__ . "/services/apiBranch.inc.php");
+require_once(__DIR__ . "/services/responses.inc.php");
+require_once(__DIR__ . "/services/jugglDbApi.inc.php");
+
+class EndRecordBranch extends ApiBranch
+{
+    function get(ParamCleaner $params)
+    {
+        respondStatus(405);
+    }
+
+    function post(ParamCleaner $params)
+    {
+        $user_id = $params->get("user_id");
+
+        if ($params->exists(["end_time", "record_id"]) == false) {
+            respondStatus(400, "Missing parameter");
+        }
+
+        updateEndRecord($user_id, $params);
+    }
+}
+
+$branch = new EndRecordBranch();
+$branch->execute();
diff --git a/juggl-server/api/getProjects.php b/juggl-server/api/getProjects.php
new file mode 100644
index 0000000..636bcdb
--- /dev/null
+++ b/juggl-server/api/getProjects.php
@@ -0,0 +1,29 @@
+<?php
+session_start();
+require_once(__DIR__ . "/services/apiBranch.inc.php");
+require_once(__DIR__ . "/services/jsonBuilder.inc.php");
+require_once(__DIR__ . "/services/responses.inc.php");
+require_once(__DIR__ . "/services/jugglDbApi.inc.php");
+
+class GetProjectsBranch extends ApiBranch
+{
+    function get(ParamCleaner $params)
+    {
+        respondStatus(405);
+    }
+
+    function post(ParamCleaner $params)
+    {
+        $user_id = $params->get("user_id");
+
+        $projects = getProjects($user_id);
+
+        $json = new JsonBuilder();
+        $json->addProjects($projects);
+
+        respondJson($json);
+    }
+}
+
+$branch = new GetProjectsBranch();
+$branch->execute();
diff --git a/juggl-server/getRecord.php b/juggl-server/api/getRecord.php
similarity index 95%
rename from juggl-server/getRecord.php
rename to juggl-server/api/getRecord.php
index aa9617c..5178ba2 100644
--- a/juggl-server/getRecord.php
+++ b/juggl-server/api/getRecord.php
@@ -1,34 +1,33 @@
-<?php
-session_start();
-require_once(__DIR__ . "/services/apiBranch.inc.php");
-require_once(__DIR__ . "/services/jsonBuilder.inc.php");
-require_once(__DIR__ . "/services/responses.inc.php");
-require_once(__DIR__ . "/services/jugglDbApi.inc.php");
-
-class GetRecordBranch extends ApiBranch
-{
-    function get(ParamCleaner $params)
-    {
-        respondStatus(405);
-    }
-
-    function post(ParamCleaner $params)
-    {
-        $user_id = $params->get("user_id");
-        $params->select("request");
-
-        if ($params->exists(["record_id"]) == false) {
-            respondStatus(400, "Missing parameter");
-        }
-
-        $record = getTimeRecord($user_id, $params->get("record_id"));
-
-        $json = new JsonBuilder();
-        $json->addRecords([$record]);
-
-        respondJson($json);
-    }
-}
-
-$branch = new GetRecordBranch();
-$branch->execute();
+<?php
+session_start();
+require_once(__DIR__ . "/services/apiBranch.inc.php");
+require_once(__DIR__ . "/services/jsonBuilder.inc.php");
+require_once(__DIR__ . "/services/responses.inc.php");
+require_once(__DIR__ . "/services/jugglDbApi.inc.php");
+
+class GetRecordBranch extends ApiBranch
+{
+    function get(ParamCleaner $params)
+    {
+        respondStatus(405);
+    }
+
+    function post(ParamCleaner $params)
+    {
+        $user_id = $params->get("user_id");
+
+        if ($params->exists(["record_id"]) == false) {
+            respondStatus(400, "Missing parameter");
+        }
+
+        $record = getTimeRecord($user_id, $params->get("record_id"));
+
+        $json = new JsonBuilder();
+        $json->addRecords([$record]);
+
+        respondJson($json);
+    }
+}
+
+$branch = new GetRecordBranch();
+$branch->execute();
diff --git a/juggl-server/services/apiBranch.inc.php b/juggl-server/api/services/apiBranch.inc.php
similarity index 96%
rename from juggl-server/services/apiBranch.inc.php
rename to juggl-server/api/services/apiBranch.inc.php
index a84618e..6e91e72 100644
--- a/juggl-server/services/apiBranch.inc.php
+++ b/juggl-server/api/services/apiBranch.inc.php
@@ -1,38 +1,38 @@
-<?php
-require_once(__DIR__."/authenticator.inc.php");
-require_once(__DIR__."/responses.inc.php");
-require_once(__DIR__."/requestTypes.inc.php");
-require_once(__DIR__."/paramCleaner.inc.php");
-
-abstract class ApiBranch {
-    function get (ParamCleaner $params) {}
-    function post (ParamCleaner $params) {}
-    function authenticationMissing (ParamCleaner $params) {
-        respondStatus(403);
-    }
-
-    function execute ($authenticationRequired = true) {
-        $params = $this->getParams();
-
-        if ($authenticationRequired) {
-            $auth = new Authenticator();
-            if (!$auth->isAuthenticated($params)) {
-                $this->authenticationMissing($params);
-                return;
-            }
-        }
-
-        $currentType = currentRequestType();
-        if($currentType === RequestType::GET) {
-            $this->get($params);
-        } else if ($currentType === RequestType::POST) {
-            $this->post($params);
-        }
-    }
-
-    private function getParams() {
-        $content = json_decode(file_get_contents('php://input'), true);
-        return new ParamCleaner(array_merge($content, $_REQUEST, $_SESSION, $_FILES));
-    }
-}
+<?php
+require_once(__DIR__."/authenticator.inc.php");
+require_once(__DIR__."/responses.inc.php");
+require_once(__DIR__."/requestTypes.inc.php");
+require_once(__DIR__."/paramCleaner.inc.php");
+
+abstract class ApiBranch {
+    function get (ParamCleaner $params) {}
+    function post (ParamCleaner $params) {}
+    function authenticationMissing (ParamCleaner $params) {
+        respondStatus(403);
+    }
+
+    function execute ($authenticationRequired = true) {
+        $params = $this->getParams();
+
+        if ($authenticationRequired) {
+            $auth = new Authenticator();
+            if (!$auth->isAuthenticated($params)) {
+                $this->authenticationMissing($params);
+                return;
+            }
+        }
+
+        $currentType = currentRequestType();
+        if($currentType === RequestType::GET) {
+            $this->get($params);
+        } else if ($currentType === RequestType::POST) {
+            $this->post($params);
+        }
+    }
+
+    private function getParams() {
+        $content = json_decode(file_get_contents('php://input'), true);
+        return new ParamCleaner(array_merge($content, $_REQUEST, $_SESSION, $_FILES));
+    }
+}
 ?>
\ No newline at end of file
diff --git a/juggl-server/services/authenticator.inc.php b/juggl-server/api/services/authenticator.inc.php
similarity index 96%
rename from juggl-server/services/authenticator.inc.php
rename to juggl-server/api/services/authenticator.inc.php
index 39b94e5..4a5daf8 100644
--- a/juggl-server/services/authenticator.inc.php
+++ b/juggl-server/api/services/authenticator.inc.php
@@ -1,20 +1,20 @@
-<?php
-require_once(__DIR__."/dbOperations.inc.php");
-    
-class Authenticator {
-    function isApiKeyAuthenticated($api_key, $user_id) {
-        $db = new DbOperations();
-        $db->select("api_keys", ["enabled"]);
-        $db->where("api_key", Comparison::EQUAL, $api_key);
-        $db->where("user_id", Comparison::EQUAL, $user_id);
-
-        $result = $db->execute();
-        
-        return count($result) == 1 && $result[0]['enabled'];
-    }
-
-    function isAuthenticated($params) {
-        return $this->isApiKeyAuthenticated($params->get('api_key'), $params->get('user_id'));
-    }
-}
+<?php
+require_once(__DIR__."/dbOperations.inc.php");
+    
+class Authenticator {
+    function isApiKeyAuthenticated($api_key, $user_id) {
+        $db = new DbOperations();
+        $db->select("api_keys", ["enabled"]);
+        $db->where("api_key", Comparison::EQUAL, $api_key);
+        $db->where("user_id", Comparison::EQUAL, $user_id);
+
+        $result = $db->execute();
+        
+        return count($result) == 1 && $result[0]['enabled'];
+    }
+
+    function isAuthenticated($params) {
+        return $this->isApiKeyAuthenticated($params->get('api_key'), $params->get('user_id'));
+    }
+}
 ?>
\ No newline at end of file
diff --git a/juggl-server/services/basicEnum.inc.php b/juggl-server/api/services/basicEnum.inc.php
similarity index 97%
rename from juggl-server/services/basicEnum.inc.php
rename to juggl-server/api/services/basicEnum.inc.php
index 5805eea..45683a0 100644
--- a/juggl-server/services/basicEnum.inc.php
+++ b/juggl-server/api/services/basicEnum.inc.php
@@ -1,33 +1,33 @@
-<?php
-abstract class BasicEnum {
-    private static $constCacheArray = NULL;
-
-    private static function getConstants() {
-        if (self::$constCacheArray == NULL) {
-            self::$constCacheArray = [];
-        }
-        $calledClass = get_called_class();
-        if (!array_key_exists($calledClass, self::$constCacheArray)) {
-            $reflect = new ReflectionClass($calledClass);
-            self::$constCacheArray[$calledClass] = $reflect->getConstants();
-        }
-        return self::$constCacheArray[$calledClass];
-    }
-
-    public static function isValidName($name, $strict = false) {
-        $constants = self::getConstants();
-
-        if ($strict) {
-            return array_key_exists($name, $constants);
-        }
-
-        $keys = array_map('strtolower', array_keys($constants));
-        return in_array(strtolower($name), $keys);
-    }
-
-    public static function isValidValue($value, $strict = true) {
-        $values = array_values(self::getConstants());
-        return in_array($value, $values, $strict);
-    }
-}
+<?php
+abstract class BasicEnum {
+    private static $constCacheArray = NULL;
+
+    private static function getConstants() {
+        if (self::$constCacheArray == NULL) {
+            self::$constCacheArray = [];
+        }
+        $calledClass = get_called_class();
+        if (!array_key_exists($calledClass, self::$constCacheArray)) {
+            $reflect = new ReflectionClass($calledClass);
+            self::$constCacheArray[$calledClass] = $reflect->getConstants();
+        }
+        return self::$constCacheArray[$calledClass];
+    }
+
+    public static function isValidName($name, $strict = false) {
+        $constants = self::getConstants();
+
+        if ($strict) {
+            return array_key_exists($name, $constants);
+        }
+
+        $keys = array_map('strtolower', array_keys($constants));
+        return in_array(strtolower($name), $keys);
+    }
+
+    public static function isValidValue($value, $strict = true) {
+        $values = array_values(self::getConstants());
+        return in_array($value, $values, $strict);
+    }
+}
 ?>
\ No newline at end of file
diff --git a/juggl-server/services/dbOperations.inc.php b/juggl-server/api/services/dbOperations.inc.php
similarity index 96%
rename from juggl-server/services/dbOperations.inc.php
rename to juggl-server/api/services/dbOperations.inc.php
index 445ee7b..e2ea954 100644
--- a/juggl-server/services/dbOperations.inc.php
+++ b/juggl-server/api/services/dbOperations.inc.php
@@ -1,291 +1,291 @@
-<?php
-require_once(__DIR__ . "/basicEnum.inc.php");
-
-class DbOperations
-{
-    function __construct($tablePrefix = null)
-    {
-        $this->resetQuery();
-        $this->tablePrefix = $tablePrefix;
-
-        require(__DIR__ . "/../config/config.php");
-        $this->config = $config;
-
-        if ($this->tablePrefix == null) {
-            $this->tablePrefix = $this->config["table_prefix"];
-        }
-    }
-
-    function resetQuery()
-    {
-        $this->query = "";
-        $this->data = array();
-        $this->table = "";
-    }
-
-    private function openConnection()
-    {
-        $host = $this->config['host'];
-        $dbname = $this->config['dbname'];
-        $dsn = "mysql:host=$host;dbname=$dbname";
-
-        $options = array(PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC);
-
-        $this->pdo = new PDO($dsn, $this->config['username'], $this->config['password'], $options);
-    }
-
-    function select(string $table, array $attributes = array())
-    {
-        $this->table = $this->tablePrefix . $table;
-        if (count($attributes) == 0)
-            $formattedAttributes = "*";
-        else {
-            for ($i = 0; $i < count($attributes); $i++) {
-                $a = $attributes[$i];
-                if (strpos($a, ".") === false) {
-                    $attributes[$i] = "$this->table.$a";
-                }
-            }
-            $formattedAttributes = implode(', ', $attributes);
-        }
-
-        $this->addToQuery("SELECT $formattedAttributes FROM $this->tablePrefix$table");
-
-        return $this;
-    }
-
-
-    function orderBy(string $attribute, string $order = Order::ASC)
-    {
-        $this->addToQuery("ORDER BY $attribute $order");
-
-        return $this;
-    }
-
-    static function getLatestIdInTable(string $table, string $attribute = "id")
-    {
-        $db = new DbOperations();
-        $db->select($table, array($attribute));
-        $db->orderBy($attribute, Order::DESC);
-
-        return $db->execute()[0][$attribute];
-    }
-
-    function insert(string $table, array $data)
-    {
-        $this->table = $this->tablePrefix . $table;
-
-        $attributes = implode(", ", array_keys($data));
-        $valuesIds = array();
-        foreach ($data as $attribute => $value) {
-            $valuesIds[] = $this->addData($value, $attribute);
-        }
-        $values = implode(" , ", $valuesIds);
-
-        $this->addToQuery("INSERT INTO $this->tablePrefix$table ( $attributes ) VALUES ( $values )");
-
-        return $this;
-    }
-
-    function insertMultiple(string $table, array $attributes, array $data)
-    {
-        $this->table = $this->tablePrefix . $table;
-
-        $attributesString = implode(", ", $attributes);
-        $valueGroups = array();
-        $groupIndex = 0;    // To avoid same value ids
-        foreach ($data as $dataGroup) {
-            if (sizeof($attributes) != sizeof($dataGroup)) {
-                continue;
-            }
-
-            $valueIds = array();
-            // Indexed for used, so that attributes can easily be assigned to the according values
-            for ($i = 0; $i < sizeof($dataGroup); $i++) {
-                $valueIds[] = $this->addData($dataGroup[$i], $attributes[$i] . "_" . (string) $groupIndex);
-            }
-
-            $valueGroups[] = "(" . implode(", ", $valueIds) . ")";
-            $groupIndex++;
-        }
-        $values = implode(", ", $valueGroups);
-
-        $this->addToQuery("INSERT INTO $this->tablePrefix$table ( $attributesString ) VALUES $values");
-
-        return $this;
-    }
-
-    function update(string $table, array $data)
-    {
-        $this->table = $this->tablePrefix . $table;
-
-        $sets = array();
-        foreach ($data as $attribute => $value) {
-            $valueId = $this->addData($value, $attribute);
-            $sets[] = "$attribute = $valueId";
-        }
-        $setString = implode(", ", $sets);
-
-        $this->addToQuery("UPDATE $this->tablePrefix$table SET $setString");
-
-        return $this;
-    }
-
-    function delete(string $table)
-    {
-        $this->table = $this->tablePrefix . $table;
-
-        $this->addToQuery("DELETE FROM $this->tablePrefix$table");
-
-        return $this;
-    }
-
-    function limit(int $limit, int $offset = null)
-    {
-        $this->addToQuery("LIMIT $limit");
-
-        if ($offset != null) {
-            $this->addToQuery("OFFSET $offset");
-        }
-
-        return $this;
-    }
-
-    private function addToQuery(string $phrase)
-    {
-        $delimeter = " ";
-        $this->query = implode($delimeter, array($this->query, $phrase));
-    }
-
-    function where(string $attribute, string $comparison, $value, string $connector = Combination::AND)
-    {
-        if (Comparison::isValidValue($comparison) == false)
-            return;
-
-        $keyWord = "WHERE";
-        if (!(strpos($this->query, $keyWord) === false))
-            $keyWord = $connector;
-
-        $valueId = $this->addData($value, $attribute);
-        $this->addToQuery("$keyWord $attribute $comparison $valueId");
-
-        return $this;
-    }
-
-    function whereOneOf(string $attribute, string $comparison, $values, string $connector = Combination::AND)
-    {
-        if (Comparison::isValidValue($comparison) == false)
-            return;
-
-        $keyWord = "WHERE";
-        if (!(strpos($this->query, $keyWord) === false))
-            $keyWord = $connector;
-
-        $whereClause = "$keyWord ( ";
-        for ($i = 0; $i < sizeof($values); $i++) {
-            if ($i > 0) {
-                $whereClause .= " OR ";
-            }
-
-            $valueId = $this->addData($values[$i], $attribute . '_' . $i);
-            $whereClause .= "$attribute $comparison $valueId";
-        }
-        $whereClause .= " )";
-
-        $this->addToQuery($whereClause);
-
-        return $this;
-    }
-
-    function innerJoin(string $table, string $externAttribute, string $internAttribute = "", string $internTable = "")
-    {
-        if ($internTable === "") {
-            $internTable = substr($this->table, sizeof($this->tablePrefix));
-        }
-        if ($internAttribute === "") {
-            $internAttribute = $externAttribute;
-        }
-
-        $innerJoin = "INNER JOIN $this->tablePrefix$table ON $this->tablePrefix$table.$externAttribute = $this->tablePrefix$internTable.$internAttribute";
-
-        $this->addToQuery($innerJoin);
-
-        return $this;
-    }
-
-    private function addData($data, $attribute)
-    {
-        $name = str_replace(".", "", $attribute);
-
-        $this->data[$name] = $data;
-        return ":" . $name;
-    }
-
-    function addSql($sql)
-    {
-        $this->addToQuery($sql);
-    }
-
-    function addValue($value)
-    {
-        $identifier = "customIdentifier" . $this->customValueId;
-        $this->customValueId += 1;
-
-        $this->addToQuery($this->addData($value, $identifier));
-    }
-
-    function execute()
-    {
-        try {
-            $this->openConnection();
-
-            $pdoQuery = $this->pdo->prepare($this->query);
-            $pdoQuery->execute($this->data);
-
-            $results = array();
-            while ($row = $pdoQuery->fetch()) {
-                $results[] = $row;
-            }
-
-            $this->resetQuery();
-
-            return $results;
-        } catch (PDOException $e) {
-            // TODO: Hide errors from user and log them
-            print($e);
-            return array();
-        }
-    }
-
-    function sql(string $sqlStatement, array $data)
-    {
-        $this->query = $sqlStatement;
-
-        foreach ($data as $attribute => $value) {
-            $this->addData($value, $attribute);
-        }
-    }
-}
-
-abstract class Comparison extends BasicEnum
-{
-    const EQUAL = "=";
-    const GREATER_THAN = ">";
-    const GREATER_THAN_OR_EQUAL = ">=";
-    const LESS_THAN = "<";
-    const LESS_THAN_OR_EQUAL = "<=";
-    const UNEQUAL = "!=";
-    const LIKE = "LIKE";
-}
-
-abstract class Combination extends BasicEnum
-{
-    const AND = "AND";
-    const OR = "OR";
-}
-
-abstract class Order extends BasicEnum
-{
-    const ASC = "ASC";
-    const DESC = "DESC";
-}
+<?php
+require_once(__DIR__ . "/basicEnum.inc.php");
+
+class DbOperations
+{
+    function __construct($tablePrefix = null)
+    {
+        $this->resetQuery();
+        $this->tablePrefix = $tablePrefix;
+
+        require(__DIR__ . "/../config/config.php");
+        $this->config = $config;
+
+        if ($this->tablePrefix == null) {
+            $this->tablePrefix = $this->config["table_prefix"];
+        }
+    }
+
+    function resetQuery()
+    {
+        $this->query = "";
+        $this->data = array();
+        $this->table = "";
+    }
+
+    private function openConnection()
+    {
+        $host = $this->config['host'];
+        $dbname = $this->config['dbname'];
+        $dsn = "mysql:host=$host;dbname=$dbname";
+
+        $options = array(PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC);
+
+        $this->pdo = new PDO($dsn, $this->config['username'], $this->config['password'], $options);
+    }
+
+    function select(string $table, array $attributes = array())
+    {
+        $this->table = $this->tablePrefix . $table;
+        if (count($attributes) == 0)
+            $formattedAttributes = "*";
+        else {
+            for ($i = 0; $i < count($attributes); $i++) {
+                $a = $attributes[$i];
+                if (strpos($a, ".") === false) {
+                    $attributes[$i] = "$this->table.$a";
+                }
+            }
+            $formattedAttributes = implode(', ', $attributes);
+        }
+
+        $this->addToQuery("SELECT $formattedAttributes FROM $this->tablePrefix$table");
+
+        return $this;
+    }
+
+
+    function orderBy(string $attribute, string $order = Order::ASC)
+    {
+        $this->addToQuery("ORDER BY $attribute $order");
+
+        return $this;
+    }
+
+    static function getLatestIdInTable(string $table, string $attribute = "id")
+    {
+        $db = new DbOperations();
+        $db->select($table, array($attribute));
+        $db->orderBy($attribute, Order::DESC);
+
+        return $db->execute()[0][$attribute];
+    }
+
+    function insert(string $table, array $data)
+    {
+        $this->table = $this->tablePrefix . $table;
+
+        $attributes = implode(", ", array_keys($data));
+        $valuesIds = array();
+        foreach ($data as $attribute => $value) {
+            $valuesIds[] = $this->addData($value, $attribute);
+        }
+        $values = implode(" , ", $valuesIds);
+
+        $this->addToQuery("INSERT INTO $this->tablePrefix$table ( $attributes ) VALUES ( $values )");
+
+        return $this;
+    }
+
+    function insertMultiple(string $table, array $attributes, array $data)
+    {
+        $this->table = $this->tablePrefix . $table;
+
+        $attributesString = implode(", ", $attributes);
+        $valueGroups = array();
+        $groupIndex = 0;    // To avoid same value ids
+        foreach ($data as $dataGroup) {
+            if (sizeof($attributes) != sizeof($dataGroup)) {
+                continue;
+            }
+
+            $valueIds = array();
+            // Indexed for used, so that attributes can easily be assigned to the according values
+            for ($i = 0; $i < sizeof($dataGroup); $i++) {
+                $valueIds[] = $this->addData($dataGroup[$i], $attributes[$i] . "_" . (string) $groupIndex);
+            }
+
+            $valueGroups[] = "(" . implode(", ", $valueIds) . ")";
+            $groupIndex++;
+        }
+        $values = implode(", ", $valueGroups);
+
+        $this->addToQuery("INSERT INTO $this->tablePrefix$table ( $attributesString ) VALUES $values");
+
+        return $this;
+    }
+
+    function update(string $table, array $data)
+    {
+        $this->table = $this->tablePrefix . $table;
+
+        $sets = array();
+        foreach ($data as $attribute => $value) {
+            $valueId = $this->addData($value, $attribute);
+            $sets[] = "$attribute = $valueId";
+        }
+        $setString = implode(", ", $sets);
+
+        $this->addToQuery("UPDATE $this->tablePrefix$table SET $setString");
+
+        return $this;
+    }
+
+    function delete(string $table)
+    {
+        $this->table = $this->tablePrefix . $table;
+
+        $this->addToQuery("DELETE FROM $this->tablePrefix$table");
+
+        return $this;
+    }
+
+    function limit(int $limit, int $offset = null)
+    {
+        $this->addToQuery("LIMIT $limit");
+
+        if ($offset != null) {
+            $this->addToQuery("OFFSET $offset");
+        }
+
+        return $this;
+    }
+
+    private function addToQuery(string $phrase)
+    {
+        $delimeter = " ";
+        $this->query = implode($delimeter, array($this->query, $phrase));
+    }
+
+    function where(string $attribute, string $comparison, $value, string $connector = Combination::AND)
+    {
+        if (Comparison::isValidValue($comparison) == false)
+            return;
+
+        $keyWord = "WHERE";
+        if (!(strpos($this->query, $keyWord) === false))
+            $keyWord = $connector;
+
+        $valueId = $this->addData($value, $attribute);
+        $this->addToQuery("$keyWord $attribute $comparison $valueId");
+
+        return $this;
+    }
+
+    function whereOneOf(string $attribute, string $comparison, $values, string $connector = Combination::AND)
+    {
+        if (Comparison::isValidValue($comparison) == false)
+            return;
+
+        $keyWord = "WHERE";
+        if (!(strpos($this->query, $keyWord) === false))
+            $keyWord = $connector;
+
+        $whereClause = "$keyWord ( ";
+        for ($i = 0; $i < sizeof($values); $i++) {
+            if ($i > 0) {
+                $whereClause .= " OR ";
+            }
+
+            $valueId = $this->addData($values[$i], $attribute . '_' . $i);
+            $whereClause .= "$attribute $comparison $valueId";
+        }
+        $whereClause .= " )";
+
+        $this->addToQuery($whereClause);
+
+        return $this;
+    }
+
+    function innerJoin(string $table, string $externAttribute, string $internAttribute = "", string $internTable = "")
+    {
+        if ($internTable === "") {
+            $internTable = substr($this->table, sizeof($this->tablePrefix));
+        }
+        if ($internAttribute === "") {
+            $internAttribute = $externAttribute;
+        }
+
+        $innerJoin = "INNER JOIN $this->tablePrefix$table ON $this->tablePrefix$table.$externAttribute = $this->tablePrefix$internTable.$internAttribute";
+
+        $this->addToQuery($innerJoin);
+
+        return $this;
+    }
+
+    private function addData($data, $attribute)
+    {
+        $name = str_replace(".", "", $attribute);
+
+        $this->data[$name] = $data;
+        return ":" . $name;
+    }
+
+    function addSql($sql)
+    {
+        $this->addToQuery($sql);
+    }
+
+    function addValue($value)
+    {
+        $identifier = "customIdentifier" . $this->customValueId;
+        $this->customValueId += 1;
+
+        $this->addToQuery($this->addData($value, $identifier));
+    }
+
+    function execute()
+    {
+        try {
+            $this->openConnection();
+
+            $pdoQuery = $this->pdo->prepare($this->query);
+            $pdoQuery->execute($this->data);
+
+            $results = array();
+            while ($row = $pdoQuery->fetch()) {
+                $results[] = $row;
+            }
+
+            $this->resetQuery();
+
+            return $results;
+        } catch (PDOException $e) {
+            // TODO: Hide errors from user and log them
+            print($e);
+            return array();
+        }
+    }
+
+    function sql(string $sqlStatement, array $data)
+    {
+        $this->query = $sqlStatement;
+
+        foreach ($data as $attribute => $value) {
+            $this->addData($value, $attribute);
+        }
+    }
+}
+
+abstract class Comparison extends BasicEnum
+{
+    const EQUAL = "=";
+    const GREATER_THAN = ">";
+    const GREATER_THAN_OR_EQUAL = ">=";
+    const LESS_THAN = "<";
+    const LESS_THAN_OR_EQUAL = "<=";
+    const UNEQUAL = "!=";
+    const LIKE = "LIKE";
+}
+
+abstract class Combination extends BasicEnum
+{
+    const AND = "AND";
+    const OR = "OR";
+}
+
+abstract class Order extends BasicEnum
+{
+    const ASC = "ASC";
+    const DESC = "DESC";
+}
diff --git a/juggl-server/services/jsonBuilder.inc.php b/juggl-server/api/services/jsonBuilder.inc.php
similarity index 63%
rename from juggl-server/services/jsonBuilder.inc.php
rename to juggl-server/api/services/jsonBuilder.inc.php
index b83d9e3..80d2db0 100644
--- a/juggl-server/services/jsonBuilder.inc.php
+++ b/juggl-server/api/services/jsonBuilder.inc.php
@@ -1,49 +1,67 @@
-<?php
-class JsonBuilder
-{
-    function __construct()
-    {
-        $this->jsonData = array();
-    }
-
-    function getJson()
-    {
-        return json_encode($this->jsonData, JSON_FORCE_OBJECT);
-    }
-
-    function getArray()
-    {
-        return $this->jsonData;
-    }
-
-    function addRecords(array $records)
-    {
-        $columns = array(
-            "record_id" => "",
-            "start_time" => "",
-            "end_time" => "",
-            "duration" => "",
-            "user_id" => "",
-            "project_id" => "",
-            "start_device_id" => ""
-        );
-
-        foreach ($records as $record) {
-            $this->jsonData['records'] = array();
-            $this->jsonData['records'][] = $this->createJsonArray($record, $columns);
-        }
-        return $this;
-    }
-
-    private function createJsonArray(array $data, array $columns)
-    {
-        $jsonArray = array();
-        foreach ($columns as $key => $column) {
-            if ($column === "") {
-                $column = $key;
-            }
-            $jsonArray[$key] = $data[$column];
-        }
-        return $jsonArray;
-    }
-}
+<?php
+class JsonBuilder
+{
+    function __construct()
+    {
+        $this->jsonData = array();
+    }
+
+    function getJson()
+    {
+        return json_encode($this->jsonData, JSON_FORCE_OBJECT);
+    }
+
+    function getArray()
+    {
+        return $this->jsonData;
+    }
+
+    function addRecords(array $records)
+    {
+        $columns = array(
+            "record_id" => "",
+            "start_time" => "",
+            "end_time" => "",
+            "duration" => "",
+            "user_id" => "",
+            "project_id" => "",
+            "start_device_id" => ""
+        );
+
+        $this->jsonData['records'] = array();
+        foreach ($records as $record) {
+            $this->jsonData['records'][] = $this->createJsonArray($record, $columns);
+        }
+        return $this;
+    }
+
+    function addProjects(array $projects)
+    {
+        $columns = array(
+            "project_id" => "",
+            "name" => "",
+            "user_id" => "",
+            "start_date" => "",
+            "duration" => "",
+            "record_count" => ""
+        );
+
+        $this->jsonData['projects'] = array();
+        foreach ($projects as $project) {
+            $this->jsonData['projects'][] = $this->createJsonArray($project, $columns);
+        }
+        return $this;
+    }
+
+    private function createJsonArray(array $data, array $columns)
+    {
+        $jsonArray = array();
+        foreach ($columns as $key => $column) {
+            if ($column === "") {
+                $column = $key;
+            }
+            $jsonArray[$key] = $data[$column];
+        }
+        return $jsonArray;
+    }
+}
diff --git a/juggl-server/services/jugglDbApi.inc.php b/juggl-server/api/services/jugglDbApi.inc.php
similarity index 76%
rename from juggl-server/services/jugglDbApi.inc.php
rename to juggl-server/api/services/jugglDbApi.inc.php
index 5853ffc..6612972 100644
--- a/juggl-server/services/jugglDbApi.inc.php
+++ b/juggl-server/api/services/jugglDbApi.inc.php
@@ -1,167 +1,206 @@
-<?php
-require_once(__DIR__ . "/services/dbOperations.inc.php");
-
-function addStartRecord($user_id, $params, $project_id = null, $start_device_id = null)
-{
-    $data = [
-        "user_id" => $user_id,
-        "start_time" => $params->get("start_time"),
-        "project_id" => $project_id,
-        "start_device_id" => $start_device_id
-    ];
-
-    $db = new DbOperations();
-    $db->insert("time_records", $data);
-    $db->execute();
-}
-
-function addTimeRecord($user_id, $params, $project_id = null, $start_device_id = null)
-{
-    $data = [
-        "user_id" => $user_id,
-        "start_time" => $params->get("start_time"),
-        "end_time" => $params->get("end_time"),
-        "duration" => $params->get("duration"),
-        "project_id" => $project_id,
-        "start_device_id" => $start_device_id
-    ];
-
-    $db = new DbOperations();
-    $db->insert("time_records", $data);
-    $db->execute();
-}
-
-function getTimeRecord($user_id, $record_id)
-{
-    $db = new DbOperations();
-    $db->select("time_records");
-    $db->where("user_id", Comparison::EQUAL, $user_id);
-    $db->where("record_id", Comparison::EQUAL, $record_id);
-    $result = $db->execute();
-
-    if (count($result) <= 0) {
-        return null;
-    }
-    $result = $result[0];
-
-    // Is still running?
-    if ($result["end_time"] == null) {
-        $result["duration"] = calcDuration($result["start_time"]);
-    }
-
-    return $result;
-}
-
-function getProjectRecord($user_id, $project_id, $finished = null)
-{
-    $db = new DbOperations();
-    $db->select("time_records");
-    $db->where("user_id", Comparison::EQUAL, $user_id);
-    $db->where("project_id", Comparison::EQUAL, $project_id);
-
-    if ($finished != null) {
-        $comp = Comparison::UNEQUAL;
-        if ($finished == false) {
-            $comp = Comparison::EQUAL;
-        }
-
-        $db->where("end_time", $comp, null);
-    }
-
-    $db->orderBy("start_time", Order::DESC);
-    $result = $db->execute();
-
-    if (count($result) <= 0) {
-        return null;
-    }
-    $result = $result[0];
-
-    // Is still running?
-    if ($result["end_time"] == null) {
-        $result["duration"] = calcDuration($result["start_time"]);
-    }
-
-    return $result;
-}
-
-function updateEndRecord($user_id, $params)
-{
-    $record_id = $params->get("record_id");
-
-    // Get start instance to calculate duration
-    $start_time = getTimeRecord($user_id, $record_id)[0]["start_time"];
-
-    $data = [
-        "end_time" => $params->get("end_time"),
-        "duration" => calcDuration($start_time, $params->get("end_time"))
-    ];
-
-    $db = new DbOperations();
-    $db->update("time_records", $data);
-    $db->where("user_id", Comparison::EQUAL, $user_id);
-    $db->where("record_id", Comparison::EQUAL, $record_id);
-    $db->execute();
-}
-
-function updateTimeRecord($user_id, $params)
-{
-    $data = [];
-
-
-    $anythingUpdated = false;
-    if ($params->exists(["start_time"])) {
-        $data["start_time"] = $params->get("start_time");
-        $anythingUpdated = true;
-    }
-    if ($params->exists(["end_time"])) {
-        $data["end_time"] = $params->get("end_time");
-        $anythingUpdated = true;
-    }
-    if ($params->exists(["duration"])) {
-        $data["duration"] = $params->get("duration");
-        $anythingUpdated = true;
-    }
-    if ($params->exists(["project_id"])) {
-        $data["project_id"] = $params->get("project_id");
-        $anythingUpdated = true;
-    }
-    if ($params->exists(["start_device_id"])) {
-        $data["start_device_id"] = $params->get("start_device_id");
-        $anythingUpdated = true;
-    }
-
-    if ($anythingUpdated == false) {
-        return;
-    }
-
-    $db = new DbOperations();
-    $db->update("time_records", $data);
-    $db->where("user_id", Comparison::EQUAL, $user_id);
-    $db->where("record_id", Comparison::EQUAL, $params->get("record_id"));
-    $db->execute();
-}
-
-function isProjectValid($project_id, $user_id)
-{
-    $db = new DbOperations();
-    $db->select("projects");
-    $db->where("project_id", Comparison::EQUAL, $project_id);
-    $db->where("user_id", Comparison::EQUAL, $user_id);
-
-    return count($db->execute()) == 1;
-}
-
-function isDeviceValid($start_device_id, $user_id)
-{
-    $db = new DbOperations();
-    $db->select("devices");
-    $db->where("start_device_id", Comparison::EQUAL, $start_device_id);
-    $db->where("user_id", Comparison::EQUAL, $user_id);
-
-    return count($db->execute()) == 1;
-}
-
-function calcDuration($start_time, $end_time = "NOW")
-{
-    return (int)((new DateTime($start_time))->diff(new DateTime($end_time))->format("%s"));
-}
+<?php
+require_once(__DIR__ . "/dbOperations.inc.php");
+
+function addStartRecord($user_id, $params, $project_id = null, $start_device_id = null)
+{
+    $data = [
+        "user_id" => $user_id,
+        "start_time" => $params->get("start_time"),
+        "project_id" => $project_id,
+        "start_device_id" => $start_device_id
+    ];
+
+    $db = new DbOperations();
+    $db->insert("time_records", $data);
+    $db->execute();
+}
+
+function addTimeRecord($user_id, $params, $project_id = null, $start_device_id = null)
+{
+    $data = [
+        "user_id" => $user_id,
+        "start_time" => $params->get("start_time"),
+        "end_time" => $params->get("end_time"),
+        "duration" => $params->get("duration"),
+        "project_id" => $project_id,
+        "start_device_id" => $start_device_id
+    ];
+
+    $db = new DbOperations();
+    $db->insert("time_records", $data);
+    $db->execute();
+}
+
+function getTimeRecord($user_id, $record_id)
+{
+    $db = new DbOperations();
+    $db->select("time_records");
+    $db->where("user_id", Comparison::EQUAL, $user_id);
+    $db->where("record_id", Comparison::EQUAL, $record_id);
+    $result = $db->execute();
+
+    if (count($result) <= 0) {
+        return null;
+    }
+    $result = $result[0];
+
+    // Is still running?
+    if ($result["end_time"] == null) {
+        $result["duration"] = calcDuration($result["start_time"]);
+    }
+
+    return $result;
+}
+
+function getProjects($user_id)
+{
+    $db = new DbOperations();
+    $db->select("projects");
+    $db->where("user_id", Comparison::EQUAL, $user_id);
+    $results = $db->execute();
+
+    foreach ($results as $key => $project) {
+        $meta = getProjectRecordDerivedData($user_id, $project["project_id"]);
+
+        foreach ($meta as $metaKey => $value) {
+            $results[$key][$metaKey] = $value;
+        }
+    }
+
+    return $results;
+}
+
+function getProjectRecordDerivedData($user_id, $project_id)
+{
+    $durationAttribute = "SUM(duration) AS total_duration";
+    $recordCountAttribute = "COUNT(*) AS record_count";
+
+    $db = new DbOperations();
+    $db->select("time_records", ["*", $durationAttribute, $recordCountAttribute]);
+    $db->where("user_id", Comparison::EQUAL, $user_id);
+    $db->where("project_id", Comparison::EQUAL, $project_id);
+    $results = $db->execute();
+
+    if (count($results) <= 0) {
+        return ["duration" => 0, "record_count" => 0];
+    } else {
+        return [
+            "duration" => (int)$results[0]["total_duration"],
+            "record_count" => (int)$results[0]["record_count"]
+        ];
+    }
+}
+
+function getProjectRecord($user_id, $project_id, $finished = null)
+{
+    $db = new DbOperations();
+    $db->select("time_records");
+    $db->where("user_id", Comparison::EQUAL, $user_id);
+    $db->where("project_id", Comparison::EQUAL, $project_id);
+
+    if ($finished != null) {
+        $comp = Comparison::UNEQUAL;
+        if ($finished == false) {
+            $comp = Comparison::EQUAL;
+        }
+
+        $db->where("end_time", $comp, null);
+    }
+
+    $db->orderBy("start_time", Order::DESC);
+    $result = $db->execute();
+
+    if (count($result) <= 0) {
+        return null;
+    }
+    $result = $result[0];
+
+    // Is still running?
+    if ($result["end_time"] == null) {
+        $result["duration"] = calcDuration($result["start_time"]);
+    }
+
+    return $result;
+}
+
+function updateEndRecord($user_id, $params)
+{
+    $record_id = $params->get("record_id");
+
+    // Get start instance to calculate duration
+    $start_time = getTimeRecord($user_id, $record_id)[0]["start_time"];
+
+    $data = [
+        "end_time" => $params->get("end_time"),
+        "duration" => calcDuration($start_time, $params->get("end_time"))
+    ];
+
+    $db = new DbOperations();
+    $db->update("time_records", $data);
+    $db->where("user_id", Comparison::EQUAL, $user_id);
+    $db->where("record_id", Comparison::EQUAL, $record_id);
+    $db->execute();
+}
+
+function updateTimeRecord($user_id, $params)
+{
+    $data = [];
+
+
+    $anythingUpdated = false;
+    if ($params->exists(["start_time"])) {
+        $data["start_time"] = $params->get("start_time");
+        $anythingUpdated = true;
+    }
+    if ($params->exists(["end_time"])) {
+        $data["end_time"] = $params->get("end_time");
+        $anythingUpdated = true;
+    }
+    if ($params->exists(["duration"])) {
+        $data["duration"] = $params->get("duration");
+        $anythingUpdated = true;
+    }
+    if ($params->exists(["project_id"])) {
+        $data["project_id"] = $params->get("project_id");
+        $anythingUpdated = true;
+    }
+    if ($params->exists(["start_device_id"])) {
+        $data["start_device_id"] = $params->get("start_device_id");
+        $anythingUpdated = true;
+    }
+
+    if ($anythingUpdated == false) {
+        return;
+    }
+
+    $db = new DbOperations();
+    $db->update("time_records", $data);
+    $db->where("user_id", Comparison::EQUAL, $user_id);
+    $db->where("record_id", Comparison::EQUAL, $params->get("record_id"));
+    $db->execute();
+}
+
+function isProjectValid($project_id, $user_id)
+{
+    $db = new DbOperations();
+    $db->select("projects");
+    $db->where("project_id", Comparison::EQUAL, $project_id);
+    $db->where("user_id", Comparison::EQUAL, $user_id);
+
+    return count($db->execute()) == 1;
+}
+
+function isDeviceValid($start_device_id, $user_id)
+{
+    $db = new DbOperations();
+    $db->select("devices");
+    $db->where("start_device_id", Comparison::EQUAL, $start_device_id);
+    $db->where("user_id", Comparison::EQUAL, $user_id);
+
+    return count($db->execute()) == 1;
+}
+
+function calcDuration($start_time, $end_time = "NOW")
+{
+    return (int)((new DateTime($start_time))->diff(new DateTime($end_time))->format("%s"));
+}
diff --git a/juggl-server/services/paramCleaner.inc.php b/juggl-server/api/services/paramCleaner.inc.php
similarity index 96%
rename from juggl-server/services/paramCleaner.inc.php
rename to juggl-server/api/services/paramCleaner.inc.php
index d9ba0bc..79db884 100644
--- a/juggl-server/services/paramCleaner.inc.php
+++ b/juggl-server/api/services/paramCleaner.inc.php
@@ -1,50 +1,50 @@
-<?php
-class ParamCleaner {
-    function __construct (array $params) {
-        $this->sourceParams = $params;
-        $this->selectedParams = $params;
-        $this->errorCount = 0;
-        $this->errorMessage = "";
-    }
-
-    function select (string $prop = "") {
-        if ($prop == "") {
-            $this->selectedParams = $this->sourceParams;
-        } else {
-            $this->selectedParams = $this->selectedParams[$prop];
-        }
-    }
-
-    function get (string $prop) {
-        if(isset($this->selectedParams[$prop])) {
-            return $this->selectedParams[$prop];
-        } else {
-            $this->errorCount += 1;
-            $this->errorMessage .= "Property \"{$prop}\" missing. ";
-            return null;
-        }
-    }
-
-    function exists (array $props) {
-        foreach ($props as $prop) {
-            if(isset($this->selectedParams[$prop]) == false) {
-                return false;
-            }
-        }
-        return true;
-    }
-    
-    function hasErrorOccurred () {
-        return $this->errorCount > 0;
-    }
-    
-    function getErrorMessage () {
-        return $this->errorMessage;
-    }
-    
-    function resetErrors () {
-        $this->errorMessage = "";
-        $this->errorCount = 0;
-    }
-}
+<?php
+class ParamCleaner {
+    function __construct (array $params) {
+        $this->sourceParams = $params;
+        $this->selectedParams = $params;
+        $this->errorCount = 0;
+        $this->errorMessage = "";
+    }
+
+    function select (string $prop = "") {
+        if ($prop == "") {
+            $this->selectedParams = $this->sourceParams;
+        } else {
+            $this->selectedParams = $this->selectedParams[$prop];
+        }
+    }
+
+    function get (string $prop) {
+        if(isset($this->selectedParams[$prop])) {
+            return $this->selectedParams[$prop];
+        } else {
+            $this->errorCount += 1;
+            $this->errorMessage .= "Property \"{$prop}\" missing. ";
+            return null;
+        }
+    }
+
+    function exists (array $props) {
+        foreach ($props as $prop) {
+            if(isset($this->selectedParams[$prop]) == false) {
+                return false;
+            }
+        }
+        return true;
+    }
+    
+    function hasErrorOccurred () {
+        return $this->errorCount > 0;
+    }
+    
+    function getErrorMessage () {
+        return $this->errorMessage;
+    }
+    
+    function resetErrors () {
+        $this->errorMessage = "";
+        $this->errorCount = 0;
+    }
+}
 ?>
\ No newline at end of file
diff --git a/juggl-server/services/requestTypes.inc.php b/juggl-server/api/services/requestTypes.inc.php
similarity index 95%
rename from juggl-server/services/requestTypes.inc.php
rename to juggl-server/api/services/requestTypes.inc.php
index 97607e6..786562f 100644
--- a/juggl-server/services/requestTypes.inc.php
+++ b/juggl-server/api/services/requestTypes.inc.php
@@ -1,19 +1,19 @@
-<?php
-require_once(__DIR__.'/basicEnum.inc.php');
-
-abstract class RequestType extends BasicEnum {
-    const GET = "GET";
-    const POST = "POST";
-    const PUT = "PUT";
-    const DELETE = "DELETE";
-}
-
-function currentRequestType () {
-    $requestType = $_SERVER['REQUEST_METHOD'];
-    if (RequestType::isValidValue($requestType)) {
-        return $requestType;
-    } else {
-        return null;
-    }
-}
+<?php
+require_once(__DIR__.'/basicEnum.inc.php');
+
+abstract class RequestType extends BasicEnum {
+    const GET = "GET";
+    const POST = "POST";
+    const PUT = "PUT";
+    const DELETE = "DELETE";
+}
+
+function currentRequestType () {
+    $requestType = $_SERVER['REQUEST_METHOD'];
+    if (RequestType::isValidValue($requestType)) {
+        return $requestType;
+    } else {
+        return null;
+    }
+}
 ?>
\ No newline at end of file
diff --git a/juggl-server/services/responses.inc.php b/juggl-server/api/services/responses.inc.php
similarity index 95%
rename from juggl-server/services/responses.inc.php
rename to juggl-server/api/services/responses.inc.php
index 51c0cb7..a9c6962 100644
--- a/juggl-server/services/responses.inc.php
+++ b/juggl-server/api/services/responses.inc.php
@@ -1,25 +1,25 @@
-<?php
-require_once(__DIR__."/jsonBuilder.inc.php");
-
-function respondJson(JsonBuilder $builder) {
-    header('Content-type: application/json');
-    echo($builder->getJson());
-}
-
-function respondHtml(string $html) {
-    print($html);
-}
-
-function respondStatus(int $statusCode, string $message = "") {
-    http_response_code($statusCode);
-    die($message);
-}
-
-function redirectBack() {
-    header("Location: {$_SERVER['HTTP_REFERER']}");
-}
-
-function redirectTo($url) {
-    header("Location: {$url}");
-}
+<?php
+require_once(__DIR__."/jsonBuilder.inc.php");
+
+function respondJson(JsonBuilder $builder) {
+    header('Content-type: application/json');
+    echo($builder->getJson());
+}
+
+function respondHtml(string $html) {
+    print($html);
+}
+
+function respondStatus(int $statusCode, string $message = "") {
+    http_response_code($statusCode);
+    die($message);
+}
+
+function redirectBack() {
+    header("Location: {$_SERVER['HTTP_REFERER']}");
+}
+
+function redirectTo($url) {
+    header("Location: {$url}");
+}
 ?>
\ No newline at end of file
diff --git a/juggl-server/startRecord.php b/juggl-server/api/startRecord.php
similarity index 96%
rename from juggl-server/startRecord.php
rename to juggl-server/api/startRecord.php
index 26d7598..fb982a5 100644
--- a/juggl-server/startRecord.php
+++ b/juggl-server/api/startRecord.php
@@ -1,50 +1,49 @@
-<?php
-session_start();
-require_once(__DIR__ . "/services/apiBranch.inc.php");
-require_once(__DIR__ . "/services/jsonBuilder.inc.php");
-require_once(__DIR__ . "/services/responses.inc.php");
-require_once(__DIR__ . "/services/jugglDbApi.inc.php");
-
-class StartRecordBranch extends ApiBranch
-{
-    function get(ParamCleaner $params)
-    {
-        respondStatus(405);
-    }
-
-    function post(ParamCleaner $params)
-    {
-        $user_id = $params->get("user_id");
-        $params->select("request");
-
-        if ($params->exists(["start_time"]) == false) {
-            respondStatus(400, "Missing parameter");
-        }
-
-        $project_id = $params->get("project_id");
-        if (isProjectValid($project_id, $user_id) == false) {
-            $project_id = null;
-        }
-
-        $device_id = $params->get("start_device_id");
-        if (isDeviceValid($device_id, $user_id) == false) {
-            $device_id = null;
-        }
-
-        // Does a running record for that project already exist?
-        if (getProjectRecord($user_id, $project_id, false) != null) {
-            respondStatus(409, "Project record already started");
-        }
-
-        addStartRecord($user_id, $params, $project_id, $device_id);
-        $record = getProjectRecord($user_id, $project_id, false);
-
-        $json = new JsonBuilder();
-        $json->addRecords([$record]);
-
-        respondJson($json);
-    }
-}
-
-$branch = new StartRecordBranch();
-$branch->execute();
+<?php
+session_start();
+require_once(__DIR__ . "/services/apiBranch.inc.php");
+require_once(__DIR__ . "/services/jsonBuilder.inc.php");
+require_once(__DIR__ . "/services/responses.inc.php");
+require_once(__DIR__ . "/services/jugglDbApi.inc.php");
+
+class StartRecordBranch extends ApiBranch
+{
+    function get(ParamCleaner $params)
+    {
+        respondStatus(405);
+    }
+
+    function post(ParamCleaner $params)
+    {
+        $user_id = $params->get("user_id");
+
+        if ($params->exists(["start_time"]) == false) {
+            respondStatus(400, "Missing parameter");
+        }
+
+        $project_id = $params->get("project_id");
+        if (isProjectValid($project_id, $user_id) == false) {
+            $project_id = null;
+        }
+
+        $device_id = $params->get("start_device_id");
+        if (isDeviceValid($device_id, $user_id) == false) {
+            $device_id = null;
+        }
+
+        // Does a running record for that project already exist?
+        if (getProjectRecord($user_id, $project_id, false) != null) {
+            respondStatus(409, "Project record already started");
+        }
+
+        addStartRecord($user_id, $params, $project_id, $device_id);
+        $record = getProjectRecord($user_id, $project_id, false);
+
+        $json = new JsonBuilder();
+        $json->addRecords([$record]);
+
+        respondJson($json);
+    }
+}
+
+$branch = new StartRecordBranch();
+$branch->execute();
diff --git a/juggl-server/assets/logo.ico b/juggl-server/assets/logo.ico
new file mode 100644
index 0000000..a1e7893
Binary files /dev/null and b/juggl-server/assets/logo.ico differ
diff --git a/juggl-server/assets/logo_title.png b/juggl-server/assets/logo_title.png
new file mode 100644
index 0000000..eb257ee
Binary files /dev/null and b/juggl-server/assets/logo_title.png differ
diff --git a/juggl-server/css/style.css b/juggl-server/css/style.css
new file mode 100644
index 0000000..e0317bc
--- /dev/null
+++ b/juggl-server/css/style.css
@@ -0,0 +1,91 @@
+body {
+    margin: 0;
+    background-color: #222;
+}
+
+* {
+    color: white;
+    font-family: 'Karla', sans-serif;
+    transition-duration: 0.1s;
+}
+
+.hidden {
+    display: none;
+}
+
+header {
+    width: 100%;
+    height: 4rem;
+    position: fixed;
+    top: 0px;
+    background-color: #222;
+    /* background: rgb(10, 133, 168);
+    background: linear-gradient(137deg, rgba(10, 133, 168, 1) 0%, rgba(136, 0, 0, 1) 100%); */
+    /* background: rgb(10, 133, 168);
+    background: linear-gradient(137deg, rgba(10, 133, 168, 1) 0%, rgba(255, 255, 255, 1) 48%, rgba(136, 0, 0, 1) 100%); */
+
+    /* offset-x | offset-y | blur-radius | spread-radius | color */
+    box-shadow: 0px 0px 2rem 1rem #000D;
+}
+
+main {
+    max-width: 800px;
+    padding: 0px 20px;
+    margin: auto;
+    margin-top: 6rem;
+    background-color: #0000;
+}
+
+#header-container {
+    max-width: 1000px;
+    padding: 0px 20px;
+    margin: auto;
+    list-style: none;
+}
+
+#header-container img {
+    margin-top: 0.5rem;
+    height: 3rem;
+    width: auto;
+}
+
+#header-container>* {
+    line-height: 4rem;
+    vertical-align: baseline;
+    display: inline-block;
+}
+
+textarea:focus,
+input:focus,
+button:focus {
+    outline: none;
+}
+
+input,
+button {
+    border-radius: 2px;
+    border: solid red 1px;
+    background-color: #0000;
+    color: #BBB;
+    padding: 5px;
+    font-size: 12pt;
+}
+
+button:hover {
+    color: white;
+    background-color: #F007;
+}
+
+button:active {
+    transform: translate(0px, 2px);
+}
+
+table {
+    border-collapse: collapse;
+    width: 100%;
+}
+
+thead * {
+    color: #AAA;
+    text-align: left;
+}
\ No newline at end of file
diff --git a/juggl-server/index.html b/juggl-server/index.html
new file mode 100644
index 0000000..65f0549
--- /dev/null
+++ b/juggl-server/index.html
@@ -0,0 +1,61 @@
+<!DOCTYPE html>
+<html>
+
+<head>
+    <title>Juggl</title>
+    <meta charset="UTF-8" />
+    <link rel="shortcut icon" type="image/ico" href="/assets/logo.ico" />
+    <link href="https://fonts.googleapis.com/css2?family=Karla:ital,wght@0,400;0,700;1,400;1,700&display=swap"
+        rel="stylesheet">
+    <link href="css/style.css" rel="stylesheet">
+
+    <script src="js/umbrella.min.js"></script>
+    <script src="js/visibility.js"></script>
+    <script src="js/auth.js"></script>
+    <script src="js/api.js"></script>
+    <script src="js/helper.js"></script>
+
+    <script>
+        window.onload = () => {
+            // Create Callbacks
+            callbacks.leaving[States.PUBLIC] = () => {
+                loadProjectList();
+            };
+            
+            initState();
+            updateVisibility();
+            updateAuthBtnText();
+        }
+    </script>
+</head>
+
+<body>
+    <header>
+        <ul id="header-container">
+            <li>
+                <img src="assets/logo_title.png">
+            </li>
+            <li style="float: right">
+                <input id="user-id" class="public" type="text" placeholder="User ID" />
+                <input id="api-key" class="public" type="password" placeholder="API Key" />
+                <button id="auth-btn" onclick="handleAuthBtn()">Log In</button>
+            </li>
+        </ul>
+    </header>
+    <main>
+        <table class="not-public hidden">
+            <thead>
+                <th>Project</th>
+                <th>Start date</th>
+                <th>Duration</th>
+                <th>Records</th>
+                <th>Average record</th>
+            </thead>
+            <tbody id="project-list">
+
+            </tbody>
+        </table>
+    </main>
+</body>
+
+</html>
\ No newline at end of file
diff --git a/juggl-server/js/api.js b/juggl-server/js/api.js
new file mode 100644
index 0000000..b8a96e1
--- /dev/null
+++ b/juggl-server/js/api.js
@@ -0,0 +1,32 @@
+API_URL = "/api";
+
+const api = {
+  getProjects() {
+    return request("/getProjects.php")
+      .then((r) => {
+        return r.json();
+      })
+      .then((j) => {
+        return j.projects;
+      })
+      .catch((e) => {
+        console.log(e);
+        return [];
+      });
+  },
+};
+
+function request(path, json = {}, options = {}) {
+  json.api_key = getApiKey();
+  json.user_id = getUserId();
+
+  options.method = "POST";
+  options.body = JSON.stringify(json);
+  options.headers = {
+    "Content-Type": "application/json",
+  };
+
+  var url = API_URL + path;
+
+  return fetch(url, options);
+}
diff --git a/juggl-server/js/auth.js b/juggl-server/js/auth.js
new file mode 100644
index 0000000..c466336
--- /dev/null
+++ b/juggl-server/js/auth.js
@@ -0,0 +1,58 @@
+function logIn(apiKey, userId) {
+  localStorage.apiKey = apiKey;
+  localStorage.userId = userId;
+  setState(States.IDLE);
+}
+
+function logOut() {
+  delete localStorage.apiKey;
+  delete localStorage.userId;
+  setState(States.PUBLIC);
+}
+
+function isLoggedIn() {
+  return !!localStorage.apiKey && !!localStorage.userId;
+}
+
+function getApiKey() {
+  return localStorage.apiKey;
+}
+
+function getUserId() {
+  return localStorage.userId;
+}
+
+function handleAuthBtn() {
+  if (isLoggedIn()) {
+    logOut();
+  } else {
+    var apiKey = u("#api-key").first().value;
+    if (apiKey === undefined || apiKey === "") {
+      return;
+    }
+
+    var userId = u("#user-id").first().value;
+    if (userId === undefined || userId === "") {
+      return;
+    }
+
+    logIn(apiKey, userId);
+    onLogIn();
+  }
+  u("#api-key").first().value = "";
+  updateAuthBtnText();
+}
+
+function updateAuthBtnText() {
+  var btn = u("#auth-btn");
+
+  if (isLoggedIn()) {
+    btn.text("Log Out");
+  } else {
+    btn.text("Log In");
+  }
+}
+
+function onLogIn() {
+  loadProjectList();
+}
diff --git a/juggl-server/js/helper.js b/juggl-server/js/helper.js
new file mode 100644
index 0000000..3e0c6d9
--- /dev/null
+++ b/juggl-server/js/helper.js
@@ -0,0 +1,59 @@
+const TABLE_ROW = "tr";
+const TABLE_DATA = "td";
+
+function loadProjectList() {
+  api.getProjects().then((projects) => {
+    var table = u(u("#project-list").first());
+    Object.values(projects).forEach((project) => {
+      var row = createNode(TABLE_ROW);
+      var data = undefined;
+
+      data = createNode(TABLE_DATA);
+      append(row, data);
+      u(data).text(project["name"]);
+
+      data = createNode(TABLE_DATA);
+      append(row, data);
+      u(data).text(new Date(project["start_date"]).toDateString());
+
+      var duration = parseFloat(project["duration"]) / 60 / 60;
+      var unit = "hours";
+      data = createNode(TABLE_DATA);
+      append(row, data);
+      u(data).text(duration + " " + unit);
+
+      data = createNode(TABLE_DATA);
+      append(row, data);
+      u(data).text(project["record_count"]);
+
+      data = createNode(TABLE_DATA);
+      append(row, data);
+      u(data).text(
+        duration / parseInt(project["record_count"]) + " " + unit + "/record"
+      );
+
+      row = u(row);
+      row.data("project-id", project["project_id"]);
+      row.on("click", projectClicked);
+
+      table.append(row);
+    });
+  });
+}
+
+// Created new DOM object
+// element: Type of DOM object (div, p, ...)
+function createNode(element) {
+  return document.createElement(element);
+}
+
+// Appends child to parent
+// parent: DOM to append child to
+// el: DOM child to append to parent
+function append(parent, el) {
+  return parent.appendChild(el);
+}
+
+function projectClicked(event) {
+  console.log(event);
+}
diff --git a/juggl-server/js/umbrella.min.js b/juggl-server/js/umbrella.min.js
new file mode 100644
index 0000000..0f270b2
--- /dev/null
+++ b/juggl-server/js/umbrella.min.js
@@ -0,0 +1,3 @@
+/* Umbrella JS 3.2.2 umbrellajs.com */
+
+var u=function(t,e){return this instanceof u?t instanceof u?t:("string"==typeof t&&(t=this.select(t,e)),t&&t.nodeName&&(t=[t]),void(this.nodes=this.slice(t))):new u(t,e)};u.prototype={get length(){return this.nodes.length}},u.prototype.nodes=[],u.prototype.addClass=function(){return this.eacharg(arguments,function(t,e){t.classList.add(e)})},u.prototype.adjacent=function(i,t,n){return"number"==typeof t&&(t=0===t?[]:new Array(t).join().split(",").map(Number.call,Number)),this.each(function(r,o){var e=document.createDocumentFragment();u(t||{}).map(function(t,e){var n="function"==typeof i?i.call(this,t,e,r,o):i;return"string"==typeof n?this.generate(n):u(n)}).each(function(t){this.isInPage(t)?e.appendChild(u(t).clone().first()):e.appendChild(t)}),n.call(this,r,e)})},u.prototype.after=function(t,e){return this.adjacent(t,e,function(t,e){t.parentNode.insertBefore(e,t.nextSibling)})},u.prototype.append=function(t,e){return this.adjacent(t,e,function(t,e){t.appendChild(e)})},u.prototype.args=function(t,e,n){return"function"==typeof t&&(t=t(e,n)),"string"!=typeof t&&(t=this.slice(t).map(this.str(e,n))),t.toString().split(/[\s,]+/).filter(function(t){return t.length})},u.prototype.array=function(o){o=o;var i=this;return this.nodes.reduce(function(t,e,n){var r;return o?((r=o.call(i,e,n))||(r=!1),"string"==typeof r&&(r=u(r)),r instanceof u&&(r=r.nodes)):r=e.innerHTML,t.concat(!1!==r?r:[])},[])},u.prototype.attr=function(t,e,r){return r=r?"data-":"",this.pairs(t,e,function(t,e){return t.getAttribute(r+e)},function(t,e,n){t.setAttribute(r+e,n)})},u.prototype.before=function(t,e){return this.adjacent(t,e,function(t,e){t.parentNode.insertBefore(e,t)})},u.prototype.children=function(t){return this.map(function(t){return this.slice(t.children)}).filter(t)},u.prototype.clone=function(){return this.map(function(t,e){var n=t.cloneNode(!0),r=this.getAll(n);return this.getAll(t).each(function(t,e){for(var n in this.mirror)this.mirror[n]&&this.mirror[n](t,r.nodes[e])}),n})},u.prototype.getAll=function(t){return u([t].concat(u("*",t).nodes))},u.prototype.mirror={},u.prototype.mirror.events=function(t,e){if(t._e)for(var n in t._e)t._e[n].forEach(function(t){u(e).on(n,t.callback)})},u.prototype.mirror.select=function(t,e){u(t).is("select")&&(e.value=t.value)},u.prototype.mirror.textarea=function(t,e){u(t).is("textarea")&&(e.value=t.value)},u.prototype.closest=function(e){return this.map(function(t){do{if(u(t).is(e))return t}while((t=t.parentNode)&&t!==document)})},u.prototype.data=function(t,e){return this.attr(t,e,!0)},u.prototype.each=function(t){return this.nodes.forEach(t.bind(this)),this},u.prototype.eacharg=function(n,r){return this.each(function(e,t){this.args(n,e,t).forEach(function(t){r.call(this,e,t)},this)})},u.prototype.empty=function(){return this.each(function(t){for(;t.firstChild;)t.removeChild(t.firstChild)})},u.prototype.filter=function(e){var t=function(t){return t.matches=t.matches||t.msMatchesSelector||t.webkitMatchesSelector,t.matches(e||"*")};return"function"==typeof e&&(t=e),e instanceof u&&(t=function(t){return-1!==e.nodes.indexOf(t)}),u(this.nodes.filter(t))},u.prototype.find=function(e){return this.map(function(t){return u(e||"*",t)})},u.prototype.first=function(){return this.nodes[0]||!1},u.prototype.generate=function(t){return/^\s*<tr[> ]/.test(t)?u(document.createElement("table")).html(t).children().children().nodes:/^\s*<t(h|d)[> ]/.test(t)?u(document.createElement("table")).html(t).children().children().children().nodes:/^\s*</.test(t)?u(document.createElement("div")).html(t).children().nodes:document.createTextNode(t)},u.prototype.handle=function(){var t=this.slice(arguments).map(function(e){return"function"==typeof e?function(t){t.preventDefault(),e.apply(this,arguments)}:e},this);return this.on.apply(this,t)},u.prototype.hasClass=function(){return this.is("."+this.args(arguments).join("."))},u.prototype.html=function(e){return void 0===e?this.first().innerHTML||"":this.each(function(t){t.innerHTML=e})},u.prototype.is=function(t){return 0<this.filter(t).length},u.prototype.isInPage=function(t){return t!==document.body&&document.body.contains(t)},u.prototype.last=function(){return this.nodes[this.length-1]||!1},u.prototype.map=function(t){return t?u(this.array(t)).unique():this},u.prototype.not=function(e){return this.filter(function(t){return!u(t).is(e||!0)})},u.prototype.off=function(t,e,n){var r=null==e&&null==n,o=null,i=e;return"string"==typeof e&&(o=e,i=n),this.eacharg(t,function(e,n){u(e._e?e._e[n]:[]).each(function(t){(r||t.orig_callback===i&&t.selector===o)&&e.removeEventListener(n,t.callback)})})},u.prototype.on=function(t,e,o){var i=null,n=e;"string"==typeof e&&(i=e,n=o,e=function(e){var n=arguments,r=!1;u(e.currentTarget).find(i).each(function(t){if(t===e.target||t.contains(e.target)){r=!0;try{Object.defineProperty(e,"currentTarget",{get:function(){return 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this.first().getBoundingClientRect()},u.prototype.slice=function(t){return t&&0!==t.length&&"string"!=typeof t&&"[object Function]"!==t.toString()?t.length?[].slice.call(t.nodes||t):[t]:[]},u.prototype.str=function(e,n){return function(t){return"function"==typeof t?t.call(this,e,n):t.toString()}},u.prototype.text=function(e){return void 0===e?this.first().textContent||"":this.each(function(t){t.textContent=e})},u.prototype.toggleClass=function(t,e){return!!e===e?this[e?"addClass":"removeClass"](t):this.eacharg(t,function(t,e){t.classList.toggle(e)})},u.prototype.trigger=function(t){var o=this.slice(arguments).slice(1);return this.eacharg(t,function(t,e){var n,r={bubbles:!0,cancelable:!0,detail:o};try{n=new window.CustomEvent(e,r)}catch(t){(n=document.createEvent("CustomEvent")).initCustomEvent(e,!0,!0,o)}t.dispatchEvent(n)})},u.prototype.unique=function(){return u(this.nodes.reduce(function(t,e){return null!=e&&!1!==e&&-1===t.indexOf(e)?t.concat(e):t},[]))},u.prototype.uri=function(t){return encodeURIComponent(t).replace(/!/g,"%21").replace(/'/g,"%27").replace(/\(/g,"%28").replace(/\)/g,"%29").replace(/\*/g,"%2A").replace(/%20/g,"+")},u.prototype.wrap=function(t){return this.map(function(e){return u(t).each(function(t){(function(t){for(;t.firstElementChild;)t=t.firstElementChild;return u(t)})(t).append(e.cloneNode(!0)),e.parentNode.replaceChild(t,e)})})},"object"==typeof module&&module.exports&&(module.exports=u,module.exports.u=u);
\ No newline at end of file
diff --git a/juggl-server/js/visibility.js b/juggl-server/js/visibility.js
new file mode 100644
index 0000000..f2619bb
--- /dev/null
+++ b/juggl-server/js/visibility.js
@@ -0,0 +1,55 @@
+/**
+ * Values represent classes.
+ *
+ * classname: Only visible in class-state.
+ * not-classname: Not visible in class-state.
+ */
+const States = {
+  PUBLIC: "public",
+  IDLE: "idle",
+  RECORDING: "recording",
+  SETUP: "setup",
+};
+Object.freeze(States);
+let previousState = States.PUBLIC;
+let currentState = States.PUBLIC;
+let callbacks = {
+  leaving: {},
+  entering: {},
+};
+
+function updateVisibility() {
+  u("." + previousState).addClass("hidden");
+  u("." + currentState).removeClass("hidden");
+
+  u(".not-" + previousState).removeClass("hidden");
+  u(".not-" + currentState).addClass("hidden");
+
+  processCallbacks();
+}
+
+function processCallbacks() {
+  var cb = callbacks.leaving[previousState];
+  if (cb !== undefined) cb();
+
+  cb = callbacks.entering[currentState];
+  if (cb !== undefined) cb();
+}
+
+function setState(state) {
+  if (Object.values(States).includes(state) === false) {
+    return;
+  }
+
+  previousState = currentState;
+  currentState = state;
+
+  localStorage.state = state;
+
+  updateVisibility();
+}
+
+function initState() {
+  var savedState = localStorage.state;
+  if (savedState !== undefined) currentState = localStorage.state;
+}
diff --git a/juggl_documentation.txt b/juggl_documentation.txt
index cd13d53..05a6907 100644
--- a/juggl_documentation.txt
+++ b/juggl_documentation.txt
@@ -1,45 +1,45 @@
-Juggl Documentation
-
-    Goal
-        Hold information about projects
-        Timetracking
-        Invoice generation
-        Shared files
-        ToDo
-        Progress
-        Shared Workspace for client
-        Deadlines
-        API interface
-		Ticket system
-
-    ToDo
-        High Priority
-			Tracking Windows Client
-				Refactor TimeLogger
-				Offline BackUps
-				Nur tracking wenn aktiviert
-            Time tracking
-                API interface
-                Web interface
-			General
-				Hold some kind of current state
-					e.g. "Currently working on"
-        Low Priority
-            Web interface
-
-    Datbase
-        Table prefix
-            ju_
-
-    API
-        timetracking
-            POST
-                api_key
-                user_id
-				request
-					start_time (required for insert)
-					end_time (required for insert)
-					duration (required for insert)
-					project_id (optional)
-					device_id (optional)
+Juggl Documentation
+
+    Goal
+        Hold information about projects
+        Timetracking
+        Invoice generation
+        Shared files
+        ToDo
+        Progress
+        Shared Workspace for client
+        Deadlines
+        API interface
+		Ticket system
+
+    ToDo
+        High Priority
+			Tracking Windows Client
+				Refactor TimeLogger
+				Offline BackUps
+				Nur tracking wenn aktiviert
+            Time tracking
+                API interface
+                Web interface
+			General
+				Hold some kind of current state
+					e.g. "Currently working on"
+        Low Priority
+            Web interface
+
+    Datbase
+        Table prefix
+            ju_
+
+    API
+        timetracking
+            POST
+                api_key
+                user_id
+				request
+					start_time (required for insert)
+					end_time (required for insert)
+					duration (required for insert)
+					project_id (optional)
+					device_id (optional)
 					record_id (optional, update when given)
\ No newline at end of file