Open Source Solid Modeling CAD
Midiexplorer is designed to explore a large collection of midi files
Music ear training exercises
Runabc is a user interface supporting abc music notation software
netabc creates and renders html files with abc music notation
User interface to the Verovio JavaScript Toolkit Library
Image browser/file picker
Metadata grabber
Bulk Downloader for selectable Images (even Google Images)
domes, vaults and eggs - program to create 3D models and plans
Image viewer for animated GIFs