Linux

Instant messengers : programs for Linux ...

a multi-protocol and multi-platform instant messaging (IM) client. It is compatible with AIM and ICQ (Oscar protocol), MSN Messenger, Yahoo!, IRC, Jabber, Gadu-Gadu, SILC, Novell GroupWise Messenger, Lotus Sametime, and Zephyr networks.
Producer / download / (9 MB) / GPL


Instant messaging client for the Jabber (XMPP) protocol which uses the Qt toolkit.
Producer / download / (1,4 MB) / GPL


Kadu is a dynamically evolving instant messenger compatible with the Gadu-Gadu protocol. It can be run on all platforms supporting the Qt toolkit (except Windows).
Producer / download / (1,3 MB) / GPL


TleenX is a Tlen.pl instant messanging system client, which works in X-Window environment using GTK+ library to build interface.
Producer / download / (460 KB) / Open Source


Skype is a little piece of software that allows you to make free calls to other Skype users and really cheap calls to ordinary phones.
Producer / download / (7,6 MB) / Freeware


Is's a ICQ and Gadu-Gadu instant messenger and other communication systems (for example Jabber) will be added in the future. It requires Java 1.4 or later (suggest 1.5).
Producer / download / (0,3 MB) / Open Source


Kopete is an instant messenger supporting AIM, ICQ, MSN, Yahoo, Jabber, IRC, Gadu-Gadu, Novell GroupWise Messenger, and more. It is designed to be a flexible and extensible multi-protocol system suitable for personal and enterprise use.
Producer / download / (5,1 MB) / GPL


Jabber, GaduGadu and Tlen client for Linux.
Producer / download / (1,4 MB) / Open Source


Wengo is a softphone which allows you to make free PC to PC video and voice calls, and to integrate all your IM contacts in one place. Also it is an open source VoIP application. It is a multiplatform alternative for Skype.
Producer / download / (23,7 MB) / Open Source





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 written in Python.
Producer / download / (2,8 MB) / GPL


kicq is akicq is an ICQ (I seek you) client, specifically designed for the KDE desktop.
Producer / download / (689 KB) / GPL


Multi-protocol ICQ clone. It supports plugins.
Producer / download / (3,8 MB) / Open Source

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