Jitsi (previously SIP Communicator) is an audio/video and chat communicator with full end-to-end encryption that supports prot ...

The goal of Gajim is to provide a full featured and easy to use Jabber client. Gajim works nicely with GNOME, but does not req ...

Bitmessage is a P2P communications protocol used to send encrypted messages to another person or to many subscribers. It is de ...

This is psyced, a scalable multi-protocol multi-casting chat, messaging and social server solution to build decentralized chat ...

Anonymous peer-to-peer instant messaging

Adium is a free and open source instant messaging application for Mac OS X, written using Mac OS Xs Cocoa API, released under ...

ChatSecure is a free and open source messaging app that features OTR encryption over XMPP. You can connect to your existing ac ...

Psi is an instant messaging application for Windows, Linux, and Mac OS X that connects to the free, open XMPP network. Localiz ...

Ring positions itself as a potential free Skype replacement Open Source and cross-platform. Ring gives you a full control over ...