Coccinella is a free and open-source cross-platform instant messaging client with a built-in whiteboard for improved collabora ...

Wire is a secure and private messenger for phones, tablets and desktop. Crystal clear voice and video calls, private group cha ...

SeaFour is the SeaFour.club community's chat engine, powered by Node.js and Socket.io. It's a socket webchat supporting aesthe ...

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 ...

A simple & beautiful app for Facebook Messenger. Chat without distractions on any Operating System.

Hangouts is a messaging app that lets you send and receive messages, photos and more, and even start free video and voice call ...

Spark is an Open Source, cross-platform IM client optimized for businesses and organizations. It features built-in support for ...

See up to 8 friends on live video while chatting with them! Create your own room (appear.in/your-room) and send the link on ch ...

Chat everywhere! IM+ is the most widely used mobile IM app! Connect all-in-one to MSN, Yahoo!, Google Talk, AIM, Jabber, ICQ, ...

Pidgin is an easy to use, multi-protocol chat client client used by millions. Connect to AIM, MSN, Yahoo, XMPP, and more chat ...

Empathy is a messaging program which supports text, voice, video chat, and file transfers over many different protocols. You c ...

WhatsApp Messenger is a cross-platform mobile messaging app which allows you to exchange messages without having to pay for SM ...

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

Nimbuzz offers limited availablility free calls and limited availability free text messaging for users via 3G and WiFi. Calls ...