Pierce is an open source event based framework for building IRC bots (or potentially clients?). It is written in Python and contains default handlers as well as some extra handlers that make bot creation simple.
A X-chat plugin written in Python that is a front end for the SD Serving Protocol (SDFind).
This is intended to be a MAC/Linux Friendly alternative to mIRC's OmenServe.
Jabber Bot which provides interface to telnet connection (over 23). Besically it allows interaction with some MUDs or Talkers over the IM clients (pidgin, gajim, gtalk, etc).
Madcow is an extensible IRC/SILC/AIM bot written in Python. It is fully customizable and has a simple API for creating modules that extend its functionality. This project has moved to: http://code.google.com/p/madcow/
Ennesbot is an open source automated IRC client (aka Bot) written entirely in Python. It uses direct sockets and medusa style sockets. It has pluggable python personality modules that can extend the bot.
A Python IRC Console Client. I use it to tunnel irc through ssh when I'm at the university. It isn't finished yet, but works quite well for me. The base work is done, but I will revise most of the code soon, so it will be more structured hopefully.
An IRC logging bot, created to be easy to use and simple to configure. The bot comes with a powerful web interface, which through fancy graphs and number illustrate the statistics and logs of both the activity of the user and the channel.
Cortez, for create new news service model for RSS and blogging. Cortez will just offer the environment to create post, read news thru RSS(ATOM) and syndicate within the multiple blogs.
This is a Python script to parse your irssi logs and input them into a MySQL database which you can then use to search and display your logs on the web. It incrementally updates the database from the logs and is ideally run as a cronjob often.
Kninja is a IRC (Internet Relay Chat) robot that has a extensible interface (by plugins). Kninja is written entirely in Python, so it should be able to run on any computer with Python installed.
Muffinbot is an IRC bot that makes having a bot easy. Muffinbot is simple to install, run, configure, and make work for your purposes. The source and plugins are written in PHP. Muffinbot is configured through either the web or the command line.
TwiggiBot can generate stadistics, stores channel logs,coordinates/perfoms a trivial and other many utilities. TwiggiBot can save quite a lot of manual work or can collaborate in several tasks, in short, it could be termed "a butler".
ultra-xdcc is a XChat-Plugin that supports the xdcc-protocol. That's not all, it has such nice features like: managing downloads, saving download-list on exit, loading download-list on startup ...
ScriptBot is a scriptable IRC bot. Based on PircBot and BSF, it allows to fully customize the bot's behaviour by editing script files in the scripting language of your choice.
NXscript is a collection of scripts in Python for the popular IRC client on
Linux, XChat.
The scripts offers some features not found in XChat by default. These features
are to make communicating with your friends on IRC easier and more comfortable.