diff --git a/core/js/core.json b/core/js/core.json
index 5bf6512d6a..ae2e9a87a9 100644
--- a/core/js/core.json
+++ b/core/js/core.json
@@ -26,6 +26,7 @@
 		"systemtags/systemtagmodel.js",
 		"systemtags/systemtagscollection.js",
 		"systemtags/systemtagsmappingcollection.js",
-		"systemtags/systemtagsinputfield.js"
+		"systemtags/systemtagsinputfield.js",
+		"collaboration.js"
 	]
 }
diff --git a/core/src/OCP/collaboration.js b/core/src/OCP/collaboration.js
new file mode 100644
index 0000000000..a4b0fc24e6
--- /dev/null
+++ b/core/src/OCP/collaboration.js
@@ -0,0 +1,163 @@
+/*
+ * @copyright Copyright (c) 2018 Julius Härtl <jus@bitgrid.net>
+ *
+ * @author Julius Härtl <jus@bitgrid.net>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+let resourceSelectHandlers = {};
+
+export default {
+
+	/**
+	 * @class
+	 * @param resourceType
+	 * @param resourceId
+	 * @constructor
+	 */
+	Resource: function(resourceType, resourceId) {
+		this.resourceType = '' + resourceType;
+		this.resourceId = '' + resourceId;
+	},
+
+	/**
+	 * @class
+	 * @param id
+	 * @param name
+	 * @constructor
+	 */
+	Collection: function(id, name) {
+		this.id = '' + id;
+		this.name = '' + name;
+		this.resources = [];
+	},
+
+	/**
+	 *
+	 * @param resourceType
+	 * @param title
+	 * @param selectorCallback
+	 */
+	registerResourceSelector: function(resourceType, title, selectorCallback) {
+		if (!this.resourceSelectHandlers.hasOwnProperty(resourceType)) {
+			this.resourceSelectHandlers[resourceType] = {
+				title: title,
+				callback: selectorCallback
+			};
+		}
+	},
+
+	getResourceTypes: function() {
+		return this.resourceSelectHandlers;
+	},
+
+	/**
+	 * Select a resource for a given type
+	 *
+	 * @param resourceType
+	 * @param successCallback
+	 * @param abortCallback
+	 */
+	selectResource: function (resourceType, successCallback, abortCallback) {
+		this.resourceSelectHandlers[resourceType].callback(successCallback, abortCallback);
+	},
+
+	getCollectionsByResource: function(resourceType, resourceId) {
+		// TODO: to implement
+	},
+
+	/**
+	 * Create a new collection from two resources
+	 *
+	 * @param name
+	 * @param resource1
+	 * @param resource2
+	 * @param successCallback
+	 * @param errorCallback
+	 */
+	createCollection: function (name, resource1, resource2, successCallback, errorCallback) {
+		var self = this;
+		this.createCollectionOnResource(name, resource1, function (collection) {
+			self.addResource(collection, resource2, function (collection) {
+				successCallback(collection);
+			})
+		});
+	},
+
+	/**
+	 *
+	 * @param name
+	 * @param resource1
+	 * @param successCallback
+	 * @param errorCallback
+	 */
+	createCollectionOnResource: function (name, resource1, successCallback, errorCallback) {
+		var data = {
+			name: name,
+			resourceType: resource1.resourceType,
+			resourceId: ''+resource1.resourceId,
+		};
+		var request = new XMLHttpRequest();
+		request.open('POST', OC.linkToOCS('collaboration/resources/' + data.resourceType, 2) + data.resourceId + '?format=json', true);
+		request.setRequestHeader('Content-Type', 'application/json; charset=UTF-8');
+		request.setRequestHeader('oc_requesttoken', OC.requestToken);
+		request.setRequestHeader('OCS-APIRequest', true);
+		request.onreadystatechange = function () {
+			if(request.readyState === 4 && request.status === 200) {
+				var result = JSON.parse(request.responseText);
+				var collection = new OCP.Collaboration.Collection(result.ocs.data.id, result.ocs.data.name);
+				collection.resources.push(resource1);
+				successCallback(collection);
+			}
+		};
+		request.send(JSON.stringify(data));
+	},
+
+	/**
+	 * Add a resource to a collection
+	 *
+	 * @param {OCP.Collaboration.Collection} collection
+	 * @param resource
+	 * @param successCallback
+	 * @param resource
+	 */
+	addResource: function (collection, resource, successCallback) {
+		var data = {
+			resourceType: resource.resourceType,
+			resourceId: '' + resource.resourceId,
+		};
+		var request = new XMLHttpRequest();
+		request.open('POST', OC.linkToOCS('collaboration/resources/collections', 2) + collection.id + '?format=json', true);
+		request.setRequestHeader('Content-Type', 'application/json; charset=UTF-8');
+		request.setRequestHeader('oc_requesttoken', OC.requestToken);
+		request.setRequestHeader('OCS-APIRequest', true);
+		request.onreadystatechange = function () {
+			if(request.readyState === 4 && request.status === 200) {
+				var result = JSON.parse(request.responseText);
+				collection.resources.push(resource);
+				successCallback(collection);
+			}
+		};
+		request.send(JSON.stringify(data));
+	},
+
+	removeResource: function(collection, resource) {
+		// TODO: to implement
+	}
+
+};
diff --git a/core/src/OCP/index.js b/core/src/OCP/index.js
index aa3650b061..6794531836 100644
--- a/core/src/OCP/index.js
+++ b/core/src/OCP/index.js
@@ -5,6 +5,7 @@ import * as AppConfig from './appconfig'
 import * as Comments from './comments'
 import * as InitialState from './initialstate'
 import Loader from './loader'
+import Collaboration from './collaboration'
 import * as WhatsNew from './whatsnew'
 
 /** @namespace OCP */
@@ -14,4 +15,5 @@ export default {
 	InitialState,
 	Loader,
 	WhatsNew,
+	Collaboration
 };