bitchbot is a Perl-based IRC bot with a ton of nice features, like infobot-style factoid support, multiple game server query support (courtesy of qstat), channel stats, user levels, and more.
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.
