A free asemic Markov-chained symmetric steganographic engine, 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.

This is a ruby gem that lets you implement categorization systems with ease.

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.

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.

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.