Open source
Fossil
Distributed version control with built-in wiki and issue tracker
Beyond GitVCS with wiki and tickets
Alternatives to Mercurial
12 tools like Mercurial, chosen by what they do. About Mercurial
Open source
Apache Subversion
Open source centralized version control system for teams
Beyond GitClassic central VCS
Open source
Jujutsu
Git-compatible version control system with a simpler workflow
Beyond GitGit-compatible modern VCS
Open source
Git LFS
Git extension that stores large files on a server, not in Git history
Beyond GitLarge file storage for Git
Curated
Perforce P4
Version control for large binary assets and parallel team work
Beyond GitVersion control for big assets
Open source
git-annex
Manages large files with Git without storing their contents in Git
Beyond GitManage big files with Git
Open source
Sapling
Scalable source control from Meta with stacked work and Git support
Beyond GitScalable source control, Meta
Curated
Diversion
Cloud version control for large repos, games and creative projects
Beyond GitCloud VCS for large repos
Open source
Git
Free, open source version control for tracking code changes
Git ClientsThe standard version control
Open source
sourcehut
Open source hosting for git, mailing lists, builds and tickets
Git HostingMinimal hacker-friendly forge
Open source
Git Extensions
Open source Windows UI for browsing and managing Git repos
Git ClientsOpen source Windows Git GUI