Components yaxim (Yet Another XMPP Instant Messenger) is an XMPP client with a clean user interface and open source (GPLv2). Why pay for SMS if you can have unlimited messaging on your data plan? yaxim

Components Antox is a secure multimedia messenger. Antox uses the Tox protocol which is Peer to Peer, so there will be high data usage and battery drain. WiFi only mode is currently recommended for now.

Components Open source Jabber (XMPP) client with multi-account support and clean and simple interface. Being both free (as in freedom!) and ad-free, Xabber is designed to be the best Jabber client for