WeIRCd is a robust, simple and easy-to-use IRC daemon for both the Windows operating system and Unix systems (Linux, Bsd, Mac OS X) which is open-source and free to use!

This IRC server has been written from scratch for serving best functionality.

Features:

• Easy installation & administration
• Built-in ChanServ, NickServ to be used without a lot of configuring
• Dynamic modules & extensions (loadable at runtime)
• Only few dependencies regarding external libs
• Not depending on any runtime environment and reasonably fast because written in native C

What's New in version 0.8.2:

• Fixed critical string formatting vulnerability in irc_SendWhois()