Kdircbot is a c++ library for connecting and communicating with an IRC server. The goal in the design of this library are ease of use, portability, flexibility, and not relying on other installed libraries.
libIRC is a cross-platform framework for connecting to and interacting with Internet Relay Chat (IRC) networks. libIRC is useful as the foundation for embedding IRC capabilities into various applications such as chat clients, games, and irc bots.
libairc is a Java framework for IRC clients and bots with advanced features including a full-fledged prioritized queue, full-blown DCC support including bandwidth throttling, and much more
moepServices is a J2EE-based IRCService currently only providing basic functions for AuthServ, ChanServ and MemoServ. The main advantage compared to other IRCServices is the possibility to retrieve and manipulate almost all data via Sessionbeans.
Asynchronous networking framework for GNUstep and Mac OS X. Has built-in support for line-based protocols, IRC, and raw TCP/IP streams.
This was more a failed experiment thn anything else. PHP does not support multi-threading, and as such...the client had some major flaws. The project has been discontinued. Feel free to learn from the source though.
An event driven IRC library for Python.
libslIRC is an easy to use, message loop based IRC library written in and written for C++. While being modular and allowing for easy extension, modules for many important tasks are delivered with the library.