...You can use any arbitrary string as your application id and master key. These will be used by your clients to authenticate with the Parse Server. Parse provides SDKs for all the major platforms.
Database Replication, Filtered Synchronization, and Transformation
SymmetricDS is database replication and file synchronization software. It is a platform-independent, web-enabled, and database-agnostic synchronization tool. With initial data load, bidirectional change data capture, conflict resolution, and data transformation, it is a comprehensive data replication solution.