Retro is a clean, minimalist language with roots in Forth. It supports all major OSes in use today, and was designed to be easy to learn, use, and modify for specific needs.
NASPRO ("NASPRO Architecture for Sound PROcessing") is a collection of Free and Open Source sound processing software built around the LV2 plugin standard.
Marvin is an extension to Google's Chrome browser that is designed to make life easier for reddit users. It was inspired by the popular 'socialite' Firefox extension.