
SourceForge
GitHub
GitLab
BitBucket
openDesktop.org
Gitea
Launchpad.net
OSOR
Guitar Pro
Sibelius
OpenMPT
LilyPond
Finale
Impro-Visor
Denemo
MuseScore
SourceForge
Guitar ProGitHub - Originally founded as a project to simplify sharing code, GitHub has grown into an application used by over a million people to store over two million code repositories, making GitHub the largest code host in the world.
Sibelius - Sibelius is a virtual score creation tool which allows composers to easily create new piano scores, developed by Avid.
GitLab - Create, review and deploy code together with GitLab open source git repo management software | GitLab
OpenMPT - OpenMPT is a popular tracker software for Windows.
BitBucket - Bitbucket is a free code hosting site for Mercurial and Git. Manage your development with a hosted wiki, issue tracker and source code.
LilyPond - GNU LilyPond is a computer program for music engraving.