Gitea - A painless self-hosted Git service
CodePush - CodePush is a cloud service that enables Cordova and React Native developers to deploy mobile app updates directly to their users' devices.
GitLab - Create, review and deploy code together with GitLab open source git repo management software | GitLab
Expo Sketch - Prototype and deploy React Native code faster than ever
GitBucket - GitBucket is the easily installable open-source GitHub clone written with Scala.
React Navigation - Description will go into a meta tag in <head />