OperBot is an IRC bot that provides /ctcp INVITE, /ctcp OP, and KNOCK access to a set of oper only channels.
otarie is an IRC bot that uses the botnet library. It has a powerful C plugin capability.
OtfBot is a modular IRC bot. It has modules to respond to !commands, answer to keywords, post RDF headlines in the channel, kick users of bad words, interact with the user with an A.I. (megahal, SQL), display 8-ball quotes, and play nobody is perfect. New modules can be created in minutes.
pastebot saves channels from large amounts of pasted material. Text is pasted into a web form, and the bot announces an URL where it can be read.
Pbotty is a high-end IRC bot, written in Perl. It has a PostgreSQL database backend and PHP3 Web interface front end for maintenance and usage in realtime.
perlbot is an IRC bot written in Perl. It depends on Net::IRC and its goals are simplicity and a small footprint.
PieSpy is an IRC bot that monitors a set of IRC channels. It uses a simple set of heuristics to infer relationships between pairs of users. These inferrences allow PieSpy to build a mathematical model of a social network for any channel. These social networks can be drawn and used to create animations of evolving social networks.
PipSqueek IRC Bot
PipSqueek IRC Bot is a perl-based IRC bot that uses state-of-the-art event based technology from the POE framework.
pircbotcpp is an IRC C++ software development kit. It is a C++ port of pircbot. pircbotcpp is an object oriented client framework that lets you write quick and easy C++ IRC bots. It includes comprehensive documentation and samples.
An IRC Statistics Bot written in Perl. It logs its statistics to a mysql database, and it features a web interface for these statistics. It also strives to keep administration to a minimum by autoadding and purging statistics as well as users as necessary.
PjBOT is a fun-oriented irc bot. It does trivial (making statistics of the results, creating a webpage) and in the near future more games. It is developed in Python. It's Multiplatform and GPL.
poeb is a fully functional IRC bot written in Perl. It is comparable to a base eggdrop. It supports user administration, nick registration, channel operator commands, all CTCP events, some common channel events, log manipulation, multiple channels, and communication with a channel.
Pynfo is an IRC bot written in Python and the Twisted framework. Among its features are network bridging/relaying, basic "infobot" capabilities, googling, 3 access tiers, and a shorter-link function.
PyPlet is a very simple IRC bot who speaks. You can use PyPlet in learning environments, to help visually impaired people, or just for fun.
RandWord is an IRC bot which creates random sentences using random words, and prints them out at random intervals.
rbot is a ruby IRC bot. Think of him as a ruby infobot, with more and different features, and a nicer plugin scheme.
Revbot IRC Bot
Revbot is an IRC bot written in Perl, using a POE backend. It has a simple plugin architecture. Most of the functionality is implemented via plugins, so the core can remain relatively stable.
RockBot is a C irc robot initally based on comstud's Combot.
rqBot is a Perl IRC bot written with POE. It sits in designated channels logging all conversations, and upon request, will spit out a random quote from any given nickname. It also provides a trivia game (which can be limited to only 1 channel), and has sample trivia text files and database injector included.
SeeBorg is a C++ clone of PyBorg, an IRC chatbot originally written by Tom Morton. SeeBorg is a random phrase bot that will sit on IRC channel, learning the talk, and periodically replying with something that is generated from the talk learned before.
ServerSpyIRC is a bot written in Perl and based on Net::IRC to get information about online Quake2, Quake3, and Halflife servers, like status, players, clanwars, and lists of servers.
Smart TCL is a complete TCL script for eggdrop bots 1.6.x series. It should also be compatible with older 1.5.x and 1.4.x series (except for some functions which requires newer 1.6.x tcl-commands). It also requires TCL language >= 8.3.x (it works also with older versions, but not all functions will work completely, like Bounce System, botnet file transfers, shell commands, etc..).
Spong-Bot always notifies you about the status of your systems.
SupyBot is a full-featured IRC bot written clearly and understandably in Python, useful both as an IRC bot an as a coding example, hopefully. It includes a simple-to-use but *very* flexible channel/user management system.
mg2bot is an IRC bot that was originally written to do unique channel maintenance but which now sports a homebrew plugin system, increased channel awareness, and a bot networking capability.
tiBot is an automated IRC connection, known as bot, intended to help channel ops manage their channels.
ToolBot is a simple to use IRC bot for providing the services that distributed open source projects who use IRC for communication need to use IRC better.
TopicEngine is an advanced multi-channel topic management script for eggdrop bots on IRC. Features include public commands with shortcuts, fine-grain permissions, and intelligent topic handling.
Tuxaator is a lightweight IRC bot/dictionary, easy to set up, easy to localize.
wanha is a combination of Perl-script to run a bot on IRC to watch the channel for URLs and another script to run as a web-interface on a HTTP-server. The bot will watch over the channel, friendly and warmly keeping the conversation going, discreetly discouraging people not to paste already pasted URLs again.
wonton is a modular IRC bot similar to eggdrop.
zebot is an IRC bot with a completely modular design, POE event driven architecture, multi channel and server support, dynamic internationalization support, and user- definable reactions and emotes along with basic IRC bot functionality.