diff --git a/bower.json b/bower.json
index eb398b69a..c0e9df018 100644
--- a/bower.json
+++ b/bower.json
@@ -26,6 +26,8 @@
     "font-awesome-bower": "~4.4.0",
     "js-data": "~2.8.1",
     "js-data-angular": "~3.1.0",
-    "ng-file-upload": "~9.1.2"
+    "ng-file-upload": "~9.1.2",
+    "ckeditor": "~4.5.4",
+    "angular-ckeditor": "~1.0.0"
   }
 }
diff --git a/gulpfile.js b/gulpfile.js
index 9a7240997..dc836ba95 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -33,7 +33,7 @@ var output_directory = path.join('openslides', 'static');
 
 // Catches all JavaScript files from all bower components and concats them to
 // one file js/openslides-libs.js. In production mode the file is uglified.
-gulp.task('js-libs', function() {
+gulp.task('js-libs', function () {
     return gulp.src(mainBowerFiles({
             filter: /\.js$/
         }))
@@ -44,7 +44,7 @@ gulp.task('js-libs', function() {
 
 // Catches all CSS files from all bower components and concats them to one file
 // css/openslides-libs.css. In production mode the file is uglified.
-gulp.task('css-libs', function() {
+gulp.task('css-libs', function () {
     return gulp.src(mainBowerFiles({
             filter: /\.css$/
         }))
@@ -61,8 +61,14 @@ gulp.task('fonts-libs', function() {
         .pipe(gulp.dest(path.join(output_directory, 'fonts')));
 });
 
+// Extra task only for CKEditor
+gulp.task('ckeditor', function () {
+    return gulp.src(path.join('bower_components', 'ckeditor', '**'))
+        .pipe(gulp.dest(path.join(output_directory, 'ckeditor')));
+});
+
 // Gulp default task. Runs all other tasks before.
-gulp.task('default', ['js-libs', 'css-libs', 'fonts-libs'], function() {});
+gulp.task('default', ['js-libs', 'css-libs', 'fonts-libs', 'ckeditor'], function () {});
 
 
 /**
@@ -90,7 +96,7 @@ gulp.task('translations', function () {
 });
 
 // Checks JavaScript using JSHint
-gulp.task( 'jshint', function() {
+gulp.task( 'jshint', function () {
     return gulp.src([ 'gulpfile.js', path.join( 'openslides', '*', 'static', '**', '*.js' ) ])
         .pipe(jshint())
         .pipe(jshint.reporter('default'));
diff --git a/openslides/core/static/js/core/base.js b/openslides/core/static/js/core/base.js
index 5c1053d36..d8ebf59db 100644
--- a/openslides/core/static/js/core/base.js
+++ b/openslides/core/static/js/core/base.js
@@ -227,6 +227,36 @@ angular.module('OpenSlidesApp.core', [
         };
     }
 ])
+
+/* Options for CKEditor used in various create and edit views. */
+.value('CKEditorOptions', {
+    allowedContent:
+        'h1 h2 h3 p pre b i u strike strong em blockquote;' +
+        'a[!href];' +
+        'img[!src,alt]{width,height,float};' +
+        'table tr th td caption;' +
+        'li ol ul{list-style};' +
+        'span{color,background-color};',
+    extraPlugins: 'colorbutton',
+    toolbarGroups: [
+        { name: 'clipboard', groups: [ 'clipboard', 'undo' ] },
+        { name: 'editing', groups: [ 'find', 'selection', 'spellchecker', 'editing' ] },
+        { name: 'forms', groups: [ 'forms' ] },
+        { name: 'tools', groups: [ 'tools' ] },
+        { name: 'about', groups: [ 'about' ] },
+        { name: 'document', groups: [ 'mode', 'document', 'doctools' ] },
+        { name: 'others', groups: [ 'others' ] },
+        '/',
+        { name: 'styles', groups: [ 'styles' ] },
+        { name: 'basicstyles', groups: [ 'basicstyles', 'cleanup' ] },
+        { name: 'paragraph', groups: [ 'list', 'indent', 'blocks', 'align', 'bidi', 'paragraph' ] },
+        { name: 'links', groups: [ 'links' ] },
+        { name: 'insert', groups: [ 'insert' ] },
+        { name: 'colors', groups: [ 'colors' ] }
+    ],
+    removeButtons: 'Anchor,SpecialChar,Subscript,Superscript,Styles,RemoveFormat,HorizontalRule'
+})
+
 // Make sure that the DS factories are loaded by making them a dependency
 .run(['Projector', 'Config', 'Tag', 'Customslide', function(Projector, Config, Tag, Customslide){}]);
 
diff --git a/openslides/core/static/js/core/site.js b/openslides/core/static/js/core/site.js
index 30a5f6ebb..5946bd4bd 100644
--- a/openslides/core/static/js/core/site.js
+++ b/openslides/core/static/js/core/site.js
@@ -14,6 +14,7 @@ angular.module('OpenSlidesApp.core.site', [
     'ngSanitize',  // TODO: only use this in functions that need it.
     'ui.select',
     'xeditable',
+    'ckeditor',
 ])
 
 // Provider to register entries for the main menu.
@@ -663,27 +664,42 @@ angular.module('OpenSlidesApp.core.site', [
     Customslide.loadRelations(customslide, 'agenda_item');
 })
 
-.controller('CustomslideCreateCtrl', function($scope, $state, Customslide) {
-    $scope.customslide = {};
-    $scope.save = function (customslide) {
-        Customslide.create(customslide).then(
-            function(success) {
-                $state.go('core.customslide.list');
-            }
-        );
-    };
-})
+.controller('CustomslideCreateCtrl', [
+    '$scope',
+    '$state',
+    'CKEditorOptions',
+    'Customslide',
+    function($scope, $state, CKEditorOptions, Customslide) {
+        $scope.customslide = {};
+        $scope.CKEditorOptions = CKEditorOptions;
+        $scope.save = function (customslide) {
+            Customslide.create(customslide).then(
+                function(success) {
+                    $state.go('core.customslide.list');
+                }
+            );
+        };
+    }
+])
 
-.controller('CustomslideUpdateCtrl', function($scope, $state, Customslide, customslide) {
-    $scope.customslide = customslide;
-    $scope.save = function (customslide) {
-        Customslide.save(customslide).then(
-            function(success) {
-                $state.go('core.customslide.list');
-            }
-        );
-    };
-})
+.controller('CustomslideUpdateCtrl', [
+    '$scope',
+    '$state',
+    'CKEditorOptions',
+    'Customslide',
+    'customslide',
+    function($scope, $state, CKEditorOptions, Customslide, customslide) {
+        $scope.customslide = customslide;
+        $scope.CKEditorOptions = CKEditorOptions;
+        $scope.save = function (customslide) {
+            Customslide.save(customslide).then(
+                function(success) {
+                    $state.go('core.customslide.list');
+                }
+            );
+        };
+    }
+])
 
 // Tag Controller
 .controller('TagListCtrl', function($scope, Tag) {
diff --git a/openslides/core/static/templates/core/customslide-form.html b/openslides/core/static/templates/core/customslide-form.html
index 13b0050da..26dcfee16 100644
--- a/openslides/core/static/templates/core/customslide-form.html
+++ b/openslides/core/static/templates/core/customslide-form.html
@@ -14,8 +14,8 @@
     <input type="text" ng-model="customslide.title" class="form-control" name="inputTitle" required>
   </div>
   <div class="form-group">
-    <label for="textareaDesciption" translate>Text</label>
-    <textarea ng-model="customslide.text" class="form-control" name="textareaText" />
+    <label for="customSlideTextCKEditor" translate>Text</label>
+    <div id="customSlideTextCKEditor" ckeditor="CKEditorOptions" ng-model="customslide.text"></div>
   </div>
 
   <button type="submit" ng-click="save(customslide)" class="btn btn-primary" translate>
diff --git a/openslides/core/static/templates/index.html b/openslides/core/static/templates/index.html
index ef4bf28e8..0281d79a1 100644
--- a/openslides/core/static/templates/index.html
+++ b/openslides/core/static/templates/index.html
@@ -9,6 +9,7 @@
 <link rel="stylesheet" href="static/css/openslides-libs.css">
 <link rel="stylesheet" href="static/css/app.css">
 <script src="static/js/openslides-libs.js"></script>
+<script src="static/ckeditor/ckeditor.js"></script>
 
 <!-- Navbar -->
 <nav id="header" class="navbar navbar-inverse">
diff --git a/openslides/global_settings.py b/openslides/global_settings.py
index f7e609eb1..f79a3a546 100644
--- a/openslides/global_settings.py
+++ b/openslides/global_settings.py
@@ -1,4 +1,3 @@
-import copy
 import os
 
 from django.utils.translation import ugettext_lazy
@@ -115,45 +114,6 @@ HAYSTACK_SIGNAL_PROCESSOR = 'openslides.utils.haystack_processor.OpenSlidesProce
 # Adds all automaticly collected plugins
 INSTALLED_PLUGINS = collect_plugins()
 
-# CKeditor settings
-CKEDITOR_DEFAULT_CONFIG = {'toolbar': 'Full',
-                           'bodyClass': 'ckeditor_html',
-                           'allowedContent':
-                               'h1 h2 h3 pre b i u strike em; '
-
-                               # A workaround for the problem described in http://dev.ckeditor.com/ticket/10192
-                               # Hopefully, the problem will be solved in the final version of CKEditor 4.1
-                               # If so, then {margin-left} can be removed
-                               'p{margin-left}; '
-
-                               'a[!href]; '
-                               'ol ul{list-style}; '
-                               'li; '
-                               'pre; '
-                               'span{color,background-color}; ',
-                           'removePlugins': 'save, print, preview, pagebreak, templates, showblocks, magicline',
-                           'extraPlugins': 'insertpre',  # see http://ckeditor.com/addon/insertpre
-                           'toolbar_Full': [
-                               {'name': 'document',    'items': ['Source', '-', 'Save', 'DocProps', 'Preview', 'Print', '-', 'Templates']},
-                               {'name': 'clipboard',   'items': ['Cut', 'Copy', 'Paste', 'PasteText', 'PasteFromWord', '-', 'Undo', 'Redo']},
-                               {'name': 'editing',     'items': ['Find', 'Replace', '-', 'SpellChecker', 'Scayt']},
-                               {'name': 'basicstyles', 'items': ['Bold', 'Italic', 'Underline', 'Strike', '-', 'RemoveFormat']},
-                               {'name': 'paragraph',   'items': ['NumberedList', 'BulletedList', '-', 'InsertPre']},
-                               {'name': 'links',       'items': ['Link', 'Unlink']},
-                               {'name': 'styles',      'items': ['Format', 'TextColor', 'BGColor']},
-                               {'name': 'tools',       'items': ['Maximize', 'ShowBlocks', '-', 'About']}
-                           ]}
-CKEDITOR_IMG_CONFIG = copy.deepcopy(CKEDITOR_DEFAULT_CONFIG)
-CKEDITOR_IMG_CONFIG['allowedContent'] += 'img; '
-CKEDITOR_IMG_CONFIG['toolbar_Full'].append({'name': 'images', 'items': ['Image']})
-
-CKEDITOR_UPLOAD_PATH = 'ckeditor'
-CKEDITOR_CONFIGS = {
-    'default': CKEDITOR_DEFAULT_CONFIG,
-    'images': CKEDITOR_IMG_CONFIG,
-}
-
-
 # Set this True to use tornado as single wsgi server. Set this False to use
 # other webserver like Apache or Nginx as wsgi server.
 USE_TORNADO_AS_WSGI_SERVER = True
diff --git a/tests/unit/config/test_api.py b/tests/unit/config/test_api.py
index 53b8c063e..ef061efa2 100644
--- a/tests/unit/config/test_api.py
+++ b/tests/unit/config/test_api.py
@@ -1,7 +1,8 @@
 from unittest import TestCase
 from unittest.mock import patch
 
-from openslides.core.config import ConfigVariable
+from openslides.core.config import ConfigHandler, ConfigVariable, config
+from openslides.core.exceptions import ConfigNotFound
 
 
 class TestConfigVariable(TestCase):
@@ -22,3 +23,16 @@ class TestConfigVariable(TestCase):
             'test_default_value',
             "The value of config_variable.data['default_value'] should be the same "
             "as set as second argument of ConfigVariable()")
+
+
+class TestConfigHandler(TestCase):
+    def test_get_from_cache(self):
+        ConfigHandler._cache = {'key_eeshah4Sho6zailee4ko': 'value_chies7aCohZoo9umieph'}
+        self.assertEqual(config['key_eeshah4Sho6zailee4ko'], 'value_chies7aCohZoo9umieph')
+
+    def test_get_not_found(self):
+        ConfigHandler._cache = {}
+        self.assertRaises(
+            ConfigNotFound,
+            config.__getitem__,
+            'key_leehah4Sho4ee7aCohbn')