elevio hub - For continuous user education
Gitscout - A beautiful Github Issues experience for macOS
Gitea - A painless self-hosted Git service
Codetree - You can manage your entire development process through 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.
Shrink for Github - A macOS app for your Github issues