Add Tiki Suite (Groupware)

README.md

@@ -563,6 +563,7 @@ Some [Groupware](#groupware) solutions also feature file sharing and synchroniza
   * [Mayan EDMS](http://www.mayan-edms.com) - Free Open Source Electronic Document Management System. An electronic vault for your documents with preview generation, OCR, and automatic categorization among other features. ([Demo](http://demo.mayan-edms.com), [Source Code](https://gitlab.com/mayan-edms/mayan-edms)) `Apache` `Python/Django`
   * [Openmeetings](https://openmeetings.apache.org/index.html). ([Source Code](https://svn.apache.org/viewvc/openmeetings/trunk/singlewebapp/)) - Openmeetings provides video conferencing, instant messaging, white board, collaborative document editing and other groupware tools using API functions of the Red5 Streaming Server for Remoting and Streaming. `Apache 2.0`  `Java`
   * [Sogo](http://www.sogo.nu/) - SOGo offers multiple ways to access the calendaring and messaging data. CalDAV, CardDAV, GroupDAV, as well as ActiveSync, including native Outlook compatibility and web interface. ([Demo](http://www.sogo.nu/tour/online_demo.html), [Source Code](http://www.sogo.nu/development/source_code.html)) `GPLv1/LGPLv2` `Objective-C`
+  * [Tiki Suite](https://suite.tiki.org/tiki-index.php) - Tiki Suite is a FLOSS server, providing features to organisations such as: Email, Website & Blog, Shopping Cart, Intranet & Project Management, E-learning, Social Networking, Knowledge base, File sharing, Issue Tracker, Video-conferencing, LDAP, VPN. ([Demo](http://info.tiki.org/Demo)) `LGPLv2` `PHP` 
   * [Tine 2.0org](https://www.tine20.org) - Contacts, Calendar, Tasks, WebDAV, ActiveSync, VOIP, Mail-Client, CRM, Sales, Projects, Timetracker. ([Demo](https://demo.tine20.net)) `AGPLv3`
   * [Zimbra Collaboration](https://www.zimbra.com/downloads/) - Email, calendar, collaboration server with web interface and lots of integrations.  ([Source Code](https://www.zimbra.com/open-source-email-overview/)) `GPLv2/CPALv1` `Java`