A script for the Windows IRC client XiRCON containing a complete set of tools for your everyday IRC needs along with a module and addon system for expandability (or compactibility).
SharpDrop is a C# Windows IRC Bot meant to monitor channels and perform plenty of channel management tasks automatically. SharpDrop is configured via XML and is controlled mainly through plugins written in any .NET language.
code repositry for a PHP version of TLKBot
A repository for any open source plugins, WBS scripts, and other scripts (like perl for the Perl Scripting Plugin) for the popular Windows IRC bot - WinBot ( http://www.winbot.co.uk/ ).
Yet another routine Bot (Yarb) is an IRC bot. Yarb is being developed in Microsoft Visual Basic 6. Currently the bot dose a few little fun things and channel commands.
qIRC is an alternative IRC client to mIRC. Built as mainly a testing ground for different C# tests, it has evolved into an IRC client. Currently in development
Slaaf is an open source IRC bot. It's built in a way so that every just starting developer can write modules for it.
Yet Another IRC Client is an IRC Client software written in C# and provides the visual feel of chat clients.