Empathy

Pidgin - бесплатная программа для мгновенного обмена сообщениями. Сохраняет переписку между контактами, позволяет сортировать контакты по группам, создавать чаты/конференции. Доступны установка аватаров, обмен файлами, изменение шрифта, смайлы, метаконтакты и многое …

Digsby is a multiprotocol IM client that lets you chat with all your friends on AIM, MSN, Yahoo, ICQ, Google Talk, and Jabber with one simple to manage buddy list. …

Miranda IM is the smaller, faster, easier instant messenger with support for multiple protocols. Designed from the ground-up to be resource efficient while still providing a rich feature set, Miranda …

Trillian is a proprietary multiprotocol instant messaging application for Windows, Mac OS X, Android, iOS, BlackBerry OS, and the Web, created by Cerulean Studios. It can connect to multiple IM …

Meebo is integrated, all-in-one instant messaging (IM client) that connects you with your friends everywhere. It supports a large number of popular servicesand connects you to MSN, Yahoo, AOL/AIM, MySpace, …

Nimbuzz offers limited-availablility-free-calls- and limited-availability-free-text messaging for users via 3G and WiFi. Calls to other nimbuzz users are free. PAY to call mobile or landline phones for as...

Instant messaging & Group Chat built for business. Features include: - Private Group Chat - Instant Messaging (one-on-one) - Persistent Searchable Chat History for Room & IM - Video Chat …

Jitsi (previously SIP Communicator) is an audio/video and chat communicator that supports protocols such as SIP, XMPP/Jabber, AIM/ICQ, Windows Live, Yahoo! and many other useful features. Jitsi is...

Psi is an instant messaging application for Windows, Linux, and Mac OS X that connects to the free, open Jabber IM network (also known as XMPP). Localized versions of Psi …

emesene is a chat program that allows you to connect to different networks like MSN, Gtalk, Facebook chat, Jabber and others.

aMSN is a free open source MSN Messenger clone. aMSN attempts to emulate the look and feel of Windows Live Messenger, and supports many of its features. Offline Messaging Voice …

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

ICQ is one of the oldest instant messengers. First developed by the Israeli company Mirabilis, sold to AOL, sold again and currenly owned by the Russian "mail.ru" group (known for …

Spark is an Open Source, cross-platform IM client optimized for businesses and organizations. It features built-in support for group chat, telephony integration, and strong security. It also offers a great...

Tkabber is a Free and Open Source client for the Jabber instant messaging system. Its writen in Tcl/Tk, and works on many platforms (tested on Linux, FreeBSD, NetBSD, Solaris, MacOS …

Sim-IM is a multiple protocol instant messenger for MS Windows, GNU/Linux, FreeBSD. Sim-IM supports Jabber/XMPP, Google Talk, ICQ and AIM (Oscar), Yahoo! Messenger and Microsoft Messenger (MSN) protocols....

Connect with your friends on one simple platform. Use ISIM to combine all of your contacts from Skype, Google+ and Facebook. Staying in touch has never been this easy.

Subway is a web-based IRC client with a multi-user backend and a JavaScript-heavy UI. Frontend/backend communication is done with websockets (or best available fallback where not available). The backend...