A lightweight modular web chat client with multiple user interface support.
AMXBot is an irc bot mainly coded for QuakeNet but useable on other IRC networks, it is coded in C/C++ and use a script system called Small (same as AMXMod and AdminMod) very similar to C.
An overlay Networking Protocol, aims in creating a big secured virtual network, optimizing both speed and cost.
Aapje Messenger aims towards an open, feature filled MSN clone for GNU/Linux using the GTK+-2.0 library, it can already do multiple user chats, filetransfers, storing contact lists, status & nick changing, add/del/block buddies, theming, and much more..
A varity of IRC related services from: SMSServ Anope Modules/Modified Anope(AbAnope) to Unreal Modules/Modified Unreal(AbUnreal) to an IRC based RPG with addon packs, and web items: AbBash & PeerWars irc.abducted.us #abducted - http://dev.abducted.us
A complex trivia bot for IRC
AceServ is an irc service wich provides OperServ & BotServ. It's based on OBserv by SideWnder (email@example.com).
A bahamut based ircd with IPV6 and hostmasking capabilities and other features.. whilst keeping bahamut stability.
Acidblood is not some drug or some lame band name. Yes, it is an IRC robot. I wanted to write my own that I knew had no backdoors and would be easy to setup and fast.
The RISC OS ICQ client.
ActiveIM is a plugin for QQ, the most used IM client in China. And using ActiveIM, there will be no ad, and it can help QQ to show friends' IP and client version.
An advanced messaging module for the Open Source multiprotocol Instant messaging client Miranda IM. It provides many new features including a "tabbed" user interface and multiple containers.
Aetos is the most aesthetically correct IRC bot ever. It is a creation of a seriously overfeatured IRC Bot with (God beware) dynamic module support written in C. There are endless possibilities with this IRC automaton.
The AfterIRCd is an irc daemon for the AfterNET IRC network. We plan to fork from universal ircd, and add features such as persistant channels, registered users, no-color mode, ban exemptions, and more. The protocol will be similar, to P10.
Airwave: IRC-Services that are fast, stable, written in standard C, based on Cygnus and include HostServ.
The AO Chat Projects goal is to create an efficient and robust library for the chat protocol used in Funcoms Anarchy Online MMORPG. This includes the lowest level of C libraries, to GUI/TUI chat clients, to database integrated bot daemons with various p
aircbot becomes Another IRC Bot since it now supports run-time loadable modules, all compiled, so it's much faster then eggdrops.
Anthro and Eminence's IRC client: An AJAX-based IRC client with a web service and server daemon.
Apolo is a set of irc services using the P10 protocol of the ircu-hispano daemon.
Aquila is a DirectConnect hub software aiming to provide reliable, flexible and efficient service. It is designed to be lightweight and fast without sacrificing functionality.
The Areaone IRCd is an extensive implementation of the irc protocol, based off of the Twilight IRCd (dreamforge based). Includes Oper host masking, increased serv<->serv efficiency, improved security, Bahamut-style nicks, some hybrid features, and more.
Ariesbot, is an ircbot, which will be able of doing basic bot functions such as op/deop/kick/ban/moderate. Plus being able to Wu-Ftpd scans, cgi/php scans port scans, subnet scans and scan for vuln version of apache to nosejob.c.
Atheme RU is a project of adapting Atheme IRC Services (atheme.net) for Russia. It has useful features such as multilanguage translations support and some useful modules for linking with ircd-ratbox+ru, ptlink-ircnet-ru, ircd-hybrid-ru.
Communication protocol for advanced clients of talker Atlantis (now running at atlantis.talker.sk). No implementation. No source code. Only specfication.
Automated File Retrieval (AFR) is a plugin for X-Chat written in C. AFR is a queue-based file retrieval utility that can download files from many different types of file servers on IRC.