FREE · OPEN SOURCE · OFFLINE
Tools that just work.
An open-source guitar fretboard note trainer — memorize every note on the neck. Free, MIT-licensed, no login required. Fork it on GitHub.
Music
Fretboard Note Trainer
Memorize every note on the guitar neck. 22 frets, 6 strings, two practice modes.
Try it →Why open source?
Each tool here is a single static page — no frameworks, no backend, no login required. They install as PWAs and work offline. Each is designed to do one thing well.
Everything is open source under MIT on GitHub. Pull requests are welcome — fix a bug, add a translation, propose a new tool.