Lucas0623z / NoteLite

Open-source OMR and guided music practice: turn sheet music PDFs/images into MusicXML/MIDI, refine scores, and practice with MIDI or microphone feedback.

musescore / MuseScore

MuseScore is an open source and free music notation software. For support, contribution, bug reports, visit MuseScore.org. Fork and make pull requests!

opensheetmusicdisplay / opensheetmusicdisplay

OpenSheetMusicDisplay renders sheet music in MusicXML format in browsers and headless with NodeJS. Based on VexFlow, OSMD is brought to you by PhonicScore.com.

CoderLine / alphaTab

alphaTab is a cross platform music notation and guitar tablature rendering library.

rism-digital / verovio

🎵 Music notation engraving library for MEI with MusicXML and Humdrum support and various toolkits (JavaScript, Python)

w3c-cg / musicxml

MusicXML specification

Romanticjojo / Syrinx

Flute practice companion that listens: real sampled piano accompaniment synced to your score, live pitch detection with note-by-note scoring, and a personal sheet-music library. Free & open source, 5 songs built in — Windows / macOS / Web.

suryavanshirdxxx / NoteTally-Forge

Automated Note Count Analyzer for Guitar Pro and MusicXML Scores 2026

sirged / fermata

Self-hosted sheet music server: organize, search, and practice from your own library — PDF reader plus interactive notation/tab rendering