A free asemic Markov-chained symmetric cipher, this lets you embed one piece of information within another to bypass content filters in places where free speech isn't recognized as a human right.
Infoshop
Infoshop is a set of tools for creating and maintaining a lightweight web interface to a PDF archive. This allows you to organize and present an archive of data over a lightweight web interface.
Nagios Plugins
These are free tools to monitor your network server's daemons and resources, including apache, memory allocation, process tables, network stack, open files, and swap space.
Sevenn
A Neural Network modeling environment to demonstrate propagative effects on connectivist models of human behavior and cognition, Sevenn is a free client-server tool to explore basic neural networks.