Open Source Solid Modeling CAD
Midiexplorer is designed to explore a large collection of midi files
Runabc is a user interface supporting abc music notation software
Music ear training exercises
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