Open Source C ICQ Software

Miranda IM is an open source, multi-protocol instant messaging client designed to be very light on system resources, extremely fast and customizable. A powerful plugin-based architecture make Miranda IM one of the most flexible clients on the planet.

Miranda NG is a successor of a popular multi-protocol instant messaging client for Windows, Miranda IM. Very light on system resources and extremely fast. Supports Em-LAN Facebook, Gadu-Gadu, ICQ / MRA, IRC Internet Relay Chat, Jabber XMPP, MinecraftDynmap, Omegle, Sametime, SkypeWeb, Steam, Tox, Twitter, and VKontakte. Linux is not a natively supported operating system, but Miranda is known to run on Linux under Wine. PluginUpdater is responsible for keeping your Miranda up-to-date. It checks for updates for all installed plugins and other components like icon sets and langpack regularly (depending on its settings) and performs updating automatically.

A graphical notification plugin for the instant message client gaim. Now hosted at http://plugins.guifications.org/trac

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.

climm is a portable, small, yet powerful console based, fully internationalized instant messaging client supporting the current v8 ICQ protocol and XMPP.

YSM is a simple ICQ client based on the v7/v8 icq protocol version. Free of external libraries requirements, written in the C Language.

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.

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.

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).

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.

GnomeICU (previously GtkICQ) is an Internet-based communications program which makes use of the ICQ protocol and GNOME. DISCONTINUED: We recommend you use Empathy

ptyaim is a simple curses client for AOL Instant Messenger, ICQ, and IRC. It runs on many Unix-like systems, and Win32.

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.

ICQMail is ICQ->Email gateway daemon

Ultramagnetic is a concurrent fork of GAIM that provides strong end-to-end encryption using libgcrypt and anonymous routing using the Six/Four protocol.

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.

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.

PlanetaMessenger.org is a Instant Messenger with support to all well known instant messenger networks including ICQ,MSN,AIM,Yahoo! and Jabber through a powerfull plugin engine. PlanetaMessenger.org support multiples look and feels, plugins and profiles.

The RISC OS ICQ client.

Instant Messenger provides user with an easy way to chat with friends from many popular networks in one integrated program. Supported IM networks are ICQ, AOL, Google Talk, Facebook, MSN, IRC, Skype, Gagu-gadu a many more. It is based on great Pidgin Instant Messenger project.

Provide a secure and centrally managed Business Instant Messaging Solution (server/client), including Chat, Voice / Video Conferencing, File Transfer, Emoticons, Dictionary and Tools add-in function etc.

Csicq is a client-server application that will enable connecting to the icq network using a Java applet without, violating the applet's security restrictions. The server side uses icqlib to maintain connection with the icq network.

The aim of this project is to design an open standard of distributed instant messenger protocol. Therefore, everyone can host instant messenger services through simple installation of server program that we provided.

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.