IRClib is an IRC client library for Java. It's designed to be easy to use and understand by the programmer. It is well documented, fast, and supports SSL connections. It runs on Java 1.3+JSSE (for the SSL stuff) and Java 1.4.
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.
