- Free, printable, customizable staff paper: https://www.blanksheetmusic.net
- Tools and games for experimenting with music, sound, and virtual instruments: https://musiclab.chromeexperiments.com
- App to play around with different chord progressions: https://chordchord.com
- Free music notation software: https://www.noteflight.com
- Roland TR-808 synthesizer simulator: https://io808.com