CTC (Cut The Crap) is a proxy-like daemon that will filter your browser's requests to prevent downloading ads. It is meant mostly for dialup users whose bandwidth is too precious (and in Europe, too expensive) to waste with banners and ads.
RSync Manager (RSM) is a set of Python scripts to add and update packages for rsync-based mirror sites, and also create some nice HTML statistics from the logs. It is mainly written for large site management, with extensibility in mind.
Panoptis is a tool to detect and stop DoS/DDoS
attacks. It relies on data provided by
NetFlow-enabled routers, and includes
functionality to cooperate with other "Panoptis"
detectors in order to trace the attack back to