Dropsource - Mobile development platform for building native iOS & Android apps
Git Flow - Git Flow is a very self-explanatory free software workflow for managing Git branches.
Siberian CMS - Siberian is an Open-Source and Free App Maker. Unlimited Push Notifications. Unlimited features. Fully Customizable. Download it and build your own app now!
Working Copy - The powerful Git client for iOS
GoodBarber - GoodBarber is a mobile app creation platform.
Git-Repo - Manage Gitlab, GitHub and Bitbucket from the command line