ircServe is a bot that can connect to an IRC network and serve users on specific channels, answering their commands. It is -- unlike many others of its kind -- not dependant on a specific IRC client, but is a stand-alone program.
Whackbot is a re-write of Wollabot (Aparently dead project) modular service bot for IRC channels. It's written entirely in PHP making it crossplatform and easy to customize. It's not supposed to be guarding channels and does not contain such functional
Nenobot is an advanced IRC bot.
KYchat is an evolution of the old irc client mIRC (TM). The goal is to make a MDI IM (IRC, MSN, ICQ) client that is easy on memory, extremely fast, and will run on linux or win32 platforms.
A simple IRC bot written in C and C++.
Yakaa.Net Coder Comm. included TCLs for Eggdrops, IRCds, IRCServices and others stuff for IRC
A gateway to allow a user to connect to MSN using their existing IRC client. MTL irc2msn is platform independent as it is written in Java.
Another IRC bot, not sure why you need another ircbot though. It's a perl bot in it's early stages of development. The goal is to create an IRC bot with easy support for additions in form of perl scripts.
New Adress for Updated Version of ninbot https://github.com/ninharp/ninbot ninBot is an IRC Bot written in Perl which provides a big information database (mysql and text backend) which you can edit online on IRC. You can put small scripts in the information database. So you can create online trigger for your channel and
Hircules is an IRC client written in Haskell, with a gtk2 GUI. It uses the gtk2 Haskell binding gtk2hs and the IRC library is based on lambdabot.
Eggdrop TCL Scripts
kwybnc is an IRC bouncer, i.e. an IRC proxy that holds the connection to the IRC server. It is designed to be small, secure, and to have a low memory usage.
An php written IRC seen bot.
IRCX chat server that supports the MSN Chat Control via GateKeeper authenication emulation. Based on ignitionServer 0.1.1.
IRCMOD - a MetaMod Plugin - the ONLY Half-Life server-side IRCbot mod that gives constant statistics to your IRC channel
Might is a simple and easy to use IRC bot written in C. It aims at stability and much much more. You can easily add your own commands if you have a little C-knowledge. - Check irc.tweakers.net channel #Might for more info :)
Scripts and hub mods written to enhance OpenDCHub. The Hub-Security script filters unregistered users by country, and adds op commands and security features. Statistical and fun scripts are also available. Future development will shift towards ODCH mods
GeoIRC is a stable, customizable, usable, scriptable, good-looking IRC client. The development team hopes to make it the client of choice for a significant portion of the IRC community.
butane is an irc bot coded in c++. it has dcc support as well as privmsg commands. has ignore support, flags, etc
Tcldrop is basically a clone of the Eggdrop IRC bot, but is being written purely in Tcl. The intention is to write a much more scriptable bot than Eggdrop is. It will run stand-alone or from any Tcl-enabled application (Tcl v8.5+).
EyeAreSee Java IRC client with a focus on ease of use. EyeAreSee is intended to be powerful but also a "quick and easy" IRC client that is easy to start up and use without the learning curve of clients such as BitchX.
Rosie is a bot made in php, for ease of controlling a IRC Channel. She will op people based on IP or Password. She will voice new guests, set the channel topic for you, and control users that swear.
girc is a little irc-client, ready to be evolved with userfriendly stuffs.
WinBP is a windows version of the bulletproof program (http://sourceforge.net/projects/bulletproof/)
A IRC bot program written in java.