Firebase is a cloud service designed to power real-time, collaborative applications. Simply add the Firebase library to your application to gain access to a shared data structure; any changes you make to that data are automatically synchronized with the Firebase cloud and with other clients within milliseconds.
RNFirebase is a light-weight layer sitting on-top of the native Firebase libraries for both iOS and Android which mirrors the Firebase Web SDK as closely as possible.
A Parse.com API compatible router package for Express. Read the announcement blog post here: http://blog.parse.com/announcements/introducing-parse-server-and-the-database-migration-tool/. Read the migration guide here: https://parse.com/docs/server/guide#migrating