libircclient is a small but powerful library, which implements client-server IRC protocol. It is designed to be small, fast, portable and compatible to RFC standards, and most IRC clients. libircclient features include: * Full multi-threading support. * Single threads handles all the IRC processing. * Support for single-threaded applications, and socket-based applications, which use select() * Synchronous and asynchronous interfaces. * CTCP support with optional build-in reply code. * Flexible DCC support, including both DCC chat, and DCC file transfer. * Can both initiate and react to initiated DCC. * Can accept or decline DCC sessions asynchronously. * Plain C interface and implementation (possible to use from C++ code, obviously) * Compatible with RFC 1459 and most IRC clients. * Free, licensed under LGPL license. * Good documentation and examples available. WWW: http://libircclient.sourceforge.net/