RCSSmin is a CSS minifier. The implementation is based on the semantics of the YUI compressor, but aiming for speed instead of maximum compression so that it can be used at runtime rather than during a preprocessing step. rCSSmin does syntactical compression only (removing spaces, comments, and possibly semicolons). It does not provide semantic compression (like removing empty blocks, collapsing redundant properties etc). It does, however, support various CSS hacks (by keeping them working as intended).
The Fressia Project is an effort to develop a framework for testing automation. It's intended for users (testers) who want a simple tool that can be used just out of the box. It was originally conceived as part of the QA efforts at the US National Optical Astronomy Observatory. It has been delivered to the community because, despite it still being at early stages, it has proven to be a useful general purpose testing tool. It is designed to provide functional testing, system testing, system integration testing, white (black) box testing, automated regression testing, acceptance testing, etc.