Developers of the XMPP client Xabber own fork-based . Project Code licensed under AGPLv3.
Among the features of Xabber Server:
- Express installation, which allows you to automatically install the server and configure all the necessary certificates;
- New group chat protocol;
- Editing, deleting and recalling messages;
- Function of fast synchronization of clients;
- Reliable message delivery protocol;
- Session management (the ability to log out (revoke access rights) connected XMPP clients without changing the password);
- Server side search support;
- Support for guaranteed delivery extensions that prevent message loss;
- Ability to recall and delete already sent messages;
- Embedded web client ();
- Convenient control panel.
It is stated that the release of the iOS version of Xabber with support for these protocols will take place in the near future. Most of the functionality is based on native protocol extensions, which are planned to be finalized and sent to XSF.
Source: opennet.ru