Drag/drop utility to convert an EPUB folder/directory structure into an .epub file and vice versa.
Designed to help you become a better piano player.
electrical circuit simulator: experiment or learn circuitry fundamentals
Learn how to use your iPhone.
Gradebook tracks students, assignments and scores.
Convert scanned graphs to (x,y) data at full scanner resolution.
Visual drag-and-drop programming language based on Scratch; allows custom blocks, deep lists, etc.
