Meson Player is an (almost) invisible music player
Audio DSP FX and plug-ins, mostly for guitar (amp sim) and other FX
Digital image processing programs for Windows and Linux systems.
High performance image processing library in C++
open source to everyone without phenomenal computer skills.
Windows console tone generator,
The Complete 64bit Audio and Video Linux Workstation
comic book archive manager
Open source library for processing arrays and matrices
Fractal Extreme plugin for Hiato's Mobius Mandelbrot