HTTP proxy to block ads and customize webpages
Privoxy is a non-caching web proxy with advanced filtering capabilities for enhancing privacy, modifying web page data and HTTP headers, controlling access, and removing ads and other obnoxious Internet junk. Privoxy has a flexible configuration and can be customized to suit individual needs and tastes. It has application for both stand-alone systems and multi-user networks.
The TruongQuangDuocIDS (tqdids) is an IDS that works on multi-platform, from Solaris/SPARC to HP-UX/Alpha. This IDS has features like other IDSs (snort etc.) but it has a special feature inside the binary-pattern-matching algorithm that makes it faster.