Project Summary
Create, play back, and print sheet music for free. MuseScore is cross-platform, multi-lingual, open source music notation software. It features an easy to use WYSIWYG editor with audio score playback for results that look and sound beautiful. It supports unlimited staves with up to four voices each, dynamics, articulations, lyrics, chords, lead sheet notation, import/export of MIDI and MusicXML, export to PDF and WAV, plus online score sharing.
In a Nutshell, MuseScore...
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has a well established, mature codebase
maintained by a very large development team
with stable Y-O-Y commits -
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took an estimated 2,154 years of effort (COCOMO model)
starting with its first commit in May, 2012
ending with its most recent commit 3 days ago
Quick Reference
GNU General Public License v2.0 only
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These details are provided for information only. No information here is legal advice and should not be used as such.
Project Security
Vulnerabilities per Version ( last 10 releases )
There are no reported vulnerabilities
Project Vulnerability Report
Security Confidence Index
Vulnerability Exposure Index
Did You Know...
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65% of companies leverage OSS to speed application development in 2016
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data presented on the Open Hub is available through our API
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in 2016, 47% of companies did not have formal process in place to track OS code
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30 Day SummaryMay 31 2026 — Jun 30 2026
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12 Month SummaryJun 30 2025 — Jun 30 2026
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