Ayttm is an instant messaging (aka chat) client that provides all-in-one chat functionality for several major instant messaging services from one simple program. Ayttm "Contacts" allow you to refer to several accounts of the same person from a single contact name, making it one of the cleanest and simplest clients to use.
Tkabber is a Free and Open Source client for the Jabber instant messaging system. Its writen in Tcl/Tk, and works on many plat ...
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 ...
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 ...