Marvel - Turn sketches, mockups and designs into web, iPhone, iOS, Android and Apple Watch app prototypes.
Adept Scale - Automated scaling of Heroku dynos with this Add-on
CodePush - CodePush is a cloud service that enables Cordova and React Native developers to deploy mobile app updates directly to their users' devices.
djangae - The best way to run Django on Google App Engine
Moovweb Platform - Other Mobile Development
React Native - A framework for building native apps with React