Weedy Bot is a Scheme IRC bot running with Guile. It has support for users, channels, rights, bans, password/ID, different ports to listen on, and easy scripting.
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.