elevio hub - For continuous user education
Gitea - A painless self-hosted Git service
List.community - Easy way to browse curated lists on GitHub
Helix Core - Helix Core is a scalable version control that securely manages all of your digital content and delivers files quickly to large, distributed teams.
GitKraken - The intuitive, fast, and beautiful cross-platform Git client.
GitBook - Modern Publishing, Simply taking your books from ideas to finished, polished books.