@ -116,7 +116,6 @@ See also [Static Site Generators](#static-site-generators) and [Content Managem
* [Cypht](http://cypht.org/index.html) - A feed reader for your email accounts - `GPL`
* [mailcow](https://github.com/andryyy/mailcow) - Mail server suite based on Dovecot, Postfix and other open source software, that provides a modern Web UI for administration. `GPL`
* [Roundcube](https://roundcube.net) - A web interface to act as an IMAP frontend ([Screenshots](https://roundcube.net/screens/)) ([Source code](https://github.com/roundcube/roundcubemail/)) `GPLv3``PHP`
* [Zimbra Collaboration] (https://www.zimbra.com/downloads/) - Email, calendar, collaboration server with web interface and lots of integrations. Open source version of Exchange ([Source code]( https://www.zimbra.com/open-source)) `GPLv2/CPALv1``Java`
### XMPP
* [Converse.js](https://conversejs.org/) - A free and open-source XMPP chat client in your browser ([Source](https://github.com/jcbrand/converse.js)) `MPL``Javascript`
@ -274,7 +273,7 @@ CMS are a practical way to setup a website with many features. CMS often come wi
* [Horde](http://www.horde.org/) - The Horde Project is about creating high quality Open Source applications and libraries, based on PHP and the Horde Framework. - `GPL` + Various Free Software / Open Source Software Licenses
* [Kolab](https://kolab.org/) - Kolab community is a unified communication and collaboration system - `Various FLOSS Licenses` ([Source](http://git.kolab.org/))
* [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)) `GPLv2/CPALv1``Java`