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.
A class library for working with MS Visio files.
A key logger.