Ubuntu Christian Edition. Open Source Bible Study Software. Presentation application for songs. Quelea - Free worship projection software. DansGuardian - True Web Content Filtering for All. True Web Content Filtering for All. DansGuardian is an award winning Open Source web content filter which currently runs on Linux, FreeBSD, OpenBSD, NetBSD, Mac OS X, HP-UX, and Solaris.
It filters the actual content of pages based on many methods including phrase matching, PICS filtering and URL filtering. It does not purely filter based on a banned list of sites like lesser totally commercial filters. DansGuardian is designed to be completely flexible and allows you to tailor the filtering to your exact needs. It can be as draconian or as unobstructive as you want.