GitKraken - The intuitive, fast, and beautiful cross-platform Git client.
Pisth - Pisth is an open source SSH and SFTP client for iOS.
SourceTree - Mac and Windows client for Mercurial and Git.
Prompt 2 by Panic - The best SSH client for iOS
GitHub Desktop - GitHub Desktop is a seamless way to contribute to projects on GitHub and GitHub Enterprise.
Dataplicity - Dataplicity is a remote terminal for your Pi.