Bot Sentry is a Pidgin (libpurple) plugin to prevent Instant Message (IM) spam. It allows you to ignore IMs unless the sender is in your Buddy List, the sender is in your Allow List, or the sender correctly answers a question you have predefined.
Licq is an ICQ/AIM clone written fully in C++. It uses an extensive plugin system to manage many different functions including the MSN protocol. The main GUI is written using the Qt widget set.
Fire is a multi-protocol instant messenger client for Mac OS X based on freely available libraries for each service. Currently Fire handles AOL Instant Messenger®, ICQ®, MSN® Messenger, Jabber, limited IRC, Yahoo!®, and Apple Bonjour communications.
YSM is a simple ICQ client based on the v7/v8 icq protocol version. Free of external libraries requirements, written in the C Language.
A fork of pidgin which aims to provide minor features that have not been addressed by the pidgin development team (including manual textbox resizing). See funpidgin.sf.net for details.
A pidgin plugin that allows user to assign global hotkeys (e.g. Ctrl+Alt+g) for togglling buddy list and reading queued message. When "Toggle List" hotkey is enabled, it makes the buddy list hidden from your taskbar and task switcher (similar to ICQ).
icqlib is the most feature complete, open source, library implementation of Mirabilis' ICQ protocol available on the Internet. icqlib currently supports approximately 90% of the ICQ UDP v5 protocol and 80% of the ICQ TCP v2 protocol.
Ayttm is an instant messenger program, supporting various protocols such as MSN, Yahoo, AIM, Jabber, and more. It is the heir of the Everybuddy project, and aims to continue improving the program and addressing its shortcomings.
Kopete is a flexible and extendable multiple protocol instant messaging system designed as a plugin-based system.
Multiprotocol plugin-based instant messenger for X11 (optionaly support KDE), Windows and MaxOS X.
climm is a portable, small, yet powerful console based, fully internationalized instant messaging client supporting the current v8 ICQ protocol and XMPP.
TerraIM is an instant messenger which connects to the AIM and ICQ instant messaging networks using either OSCAR or TOC as the protocol. It uses the wxWidgets toolkit and suports advanced features such as file transfer, logging, and tabbing.
This is an Artificial Intelligent response program using Eliza designed to use with the Autoreply 1.0 or higher plugin for LICQ. Let people think they are actually talking to you.
Jarl is a Perl/Tk Client. It strives to provide full functionality with every aspect of the Jabber IM system. It currently supoprts messaging, chat, groupchat, ICQ, AIM, and IRC support.
ICQGATE is a 'gate' providing access to your IRC network for ICQ users. It can use multiple uins simultaneously, so there is nearly no maxusers limit. Currently can can be used only in hybrid-based networks
Gimli is an Instant Messenger client for the GNOME desktop.
GnomeICU (previously GtkICQ) is an Internet-based communications program which makes use of the ICQ protocol and GNOME. DISCONTINUED: We recommend you use Empathy
ChatCaptain aims to be an alternative to the chat clients not only available on Linux, but also an alternative to the non-free(and free alike) chat clients available on Windows.
Lightweight, modern, flexible and well-customisable cross-platform multi-protocol instant messaging client
E-GnomeICU is an enlightenment epplet for controlling gnomeicu.
Oicq clone can be used under FreeBSD,Linux platform,it will be added secure transation support.
FServ for pidgin lets you share your files through any instant messaging protocol suported by pidgin. Just put your files in the shared folder and any buddy can get it.
This is a little aplication that I made one year ago. FuICQ able that any user in any equipment connected to the internet (wap celular, any pc...) may access your icq via web. It is a aplication in C and a interface in PHP to be used in websites.
A GAIM perl script for an AI controlled personal assistant for when you aren\'t around!