Simple dependency-checking package manager for Mac OS X
Created as a more sensible alternative to MacPorts, Fink, and Homebrew, Pacmac was inspired by Archlinux's pacman, but is not a port.
All files except packages are plain text, and all executables are scripts.
No compilers are necessary to create packages, just request the package by name and Pacmac will resolve the dependencies for you.
...I have already written a module that does content-based blocking of youtube videos.
Archangel uses the pyicap library to implement the ICAP functionality. The blockpage requires use of the PHP 5.4.x CLI. In order to do HTTPS filtering, you must first install squid compiled with SSL support and configure it to talk to archangel.