FlameRobin

ViceVersa does File Synchronization, File Replication, File Backup and File Comparison. It can automatically verify data using a CRC32 checksum.

MobiDB Database is an offline database app with cloud sync and multi-user access and synchronization. It is able to store any type of information: inventory, invoices, project management, deliveries, orders, locations.

FileMaker is a cross-platform relational database application. It integrates a database engine with a graphical user interface and security features, allowing users to modify the database by dragging new elements into layouts, screens, or forms.