HashPipe is a file sharing network that uses HTTP or HTTPS for all communication and references downloads by their MD5 hash only. Works on any system with PHP5 and a compatible webserver and database. For Windows XP there is now an easy server bundle.
ircbot written in perl, since i got more and more uncomfortable with the licencing sceme here, i mved the project to https://savannah.gnu.org/projects/zebot/