Features include: authentication, channel control, a full-featured Memo system, a Seen system, logging capabilities, a help system, the ability to act as a file sharing node and the ability to share data and perform functions together with other bots.
BotanIRC is a Bot for IRC, written in PHP5. You can add functionality via plugins. It's under Creative Commons License
Bother is an IRC bot. No particular function is really defined - it's just a toy (and a learning platform!) for me to fiddle with for the moment. It may grow into something useful eventually, and if I put anything on here, it'll at least be useable
Botija is a free implementation of a IRC Bot aiming to provide aditional channel features. It uses the pircbot API to build an irc bot capable of loading a set of modules to implement any funcionality.
A highly modular script-pack written in Python and designed for XChat. There are some plans for a 'ports' to other clients, sometimes using language wrappers.
Bottler - XDCC Bot Interface
Botulin is an IRC 'bot which uses Scheme as a scripting language (provided by GNU's Guile library). Botulin is small and fast but supports powerful, flexible 'bot scripts.
Boucherot project is a Perl toolkit for an IRC bot. Boucherot's goal is to be as powerful as eggdrop.
BounceThis is an IRC proxy server written in C for Win32 that supports Identd, IP filtering, password protection, remote admin, and more!
Bovine IRCd is a Win32 IRCd written in c++, a UNIX port may become availible.
BoxedIrc is a mIRC-like IRC client for microsoft windows with support for all the basic stuff like colors, CTCP and DCC.
This project is old and i recommend you use Nefarious IRCu, it has all of the Boxen IRCu features. Click on the link below or go here http://sourceforge.net/projects/evilnet
Bot for ircu2.10 based irc networks Bot para redes basadas en el ircu2.10
BubbleNET network utilities - IRC network utilities with support for DALnet's bahamut IRCD designed in pascal using the Free Pascal compiler.
Welcome to BuddyServ IRC Services These services will integrate directly with your torrent site database, and provide IRC with information to your users, and to your staff. Has ChanServ, NickServ, OperServ, MemoServ, userbot, monitor
BwentBot in an event driven IRC bot completely written in Perl. Its goal is to be functional without becoming bloated, and to keep overhead low to run on older systems. BwentBot has many features that make it an ideal bot for IRC channels.
A simple C IRC Bot. This is a small project and the goal isn't the replacement of other main bots like eggdrop. The main goal of the bot: study C and socket library!
IRC Services for the Unreal IRC server, written in C#, with a Microsoft SQL Server backend. Files are stored in XML. Services include NickServ, ChanServ, MemoServ, BotServ, HostServ, and OperServ.
C# IRC Client is attempt to create a full featured IRC Client written entirely in Microsoft's C# Language.
C++ IRC client library that seeks to include all aspects of the IRC protocol, along with auto reconnecting and multiple connection management.
A Perl/CGI program to use IRC from a web browser without having to have access to an IRC port or Java (but it does need a frames compatable browser).
Christian IRC Connection scripts is a set of script to add functionality to the mIRC chat client. The script adds functions such as Bible, Journal, Auto identification and other tools. It is mainly designed to work with Conference room IRC Servers.
CSBot is an IRC bot for Windows that can publish Counter-Strike, Natural-Selection and Day-of-Defeat games on an IRC channel. CSBot also has lots of other features. Refer to the website for a full list.
ircU (P10 Undernet) services coded in Perl. Includes ChanServ,NickServ and Memoserv. Works with MySQL backend database, with a web interface. Kind of like Galaxynet so if you wanna compete with GalaxyNet download this!
CaffeineDuck IRCd is a project to simplify and extend the IRC protocol, while at the same time producing a new IRCd that will be fairly simple to use both for administrators and end users.