
SourceForge
GitHub
GitLab
BitBucket
openDesktop.org
Gitea
Launchpad.net
OSOR
ChessDB
Chess Tempo Database
Scid vs. PC
DecodeChess
ChessPad
Lichess
Chess Insight
ChessBase Database
SourceForgeGitHub - 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.
Chess Tempo Database - Chess Tempo Database gives you a library of more than 2 million searchable chess games.
GitLab - Create, review and deploy code together with GitLab open source git repo management software | GitLab
Scid vs. PC - Chess database and playing program.
BitBucket - Bitbucket is a free code hosting site for Mercurial and Git. Manage your development with a hosted wiki, issue tracker and source code.
DecodeChess - AI chess tutor and analysis