Education4 hours ago
Soitax - rhythm trainer
Interactive trainer for reading musical notation and tapping along to rhythms.
Open source
nullzzz · HN
Music Rhythm Reading Trainer
The full gallery
Tech stack
3 projects
Interactive trainer for reading musical notation and tapping along to rhythms.
nullzzz · HN
Music Rhythm Reading Trainer
Sketch drum beats, arrange them into songs, and share via links—all in your browser.
maxime_cb · HN
I built one of the most advanced web-based drum/beat sequencers
Convert GoodNotes archives to SVG, PDF, and JSON formats using 100% local processing.
Kaih1825 · HN
Hi HN, I'm the author of this project. I built this because I wanted my handwritten notes to truly belong to me—free to be migrated to other apps instead of being locked inside the proprietary Goodnotes ecosystem. To be honest, I have absolutely no background in reverse engineering or binary file parsing. I built this almost entirely through "vibe coding" (using LLMs as my pair programmers—mainly Gemini Pro/Flash, and occasionally Claude Sonnet). My ultimate goal is to unlock .goodnotes files so