Apps similar to DBLX Database include Realm, which is free and open source. Other options are H2 Database Engine. Between them they cover Mac, Windows, Linux, Android and iPhone.
Realm enables any development team, no matter the size, to include difficult-to-build features like two-way data sync and realtime collaboration. Devote more time to what makes your app truly unique and less time to maintaining services.
H2 is a relational database management system written in Java. It can be embedded in Java applications or run in the client-server mode. The disk footprint (size of the jar file) is about 1 MB.
