HSQLDB
8.1#2 in relational databasesFrom $100 a yearFree planAPILinuxmacOSSelf-hosted
VisitHSQLDB vs RxDB
What both publish
| Fact | HSQLDB | RxDB |
|---|---|---|
| License | HSQLDB source and binaries use permissive BSD-based licenses, with separate terms for legacy Hypersonic SQL code. | The free tier is under the Apache 2.0 license. |
| Product | HSQLDB is a Java-based relational database engine with in-memory and disk-based tables, supporting embedded and server modes. | RxDB is a NoSQL database for JavaScript that runs directly in an app. |
| Support | Support options include a help forum, a user mailing list, bug and feature request trackers, paid SupportWare, and professional commercial support. | Free users receive community support through GitHub and Discord, while Enterprise includes a support SLA with a 24-hour first response. |
HSQLDB plans
- Developer subscription$100 a year
- Basic Corporate subscription—
- Premier Corporate subscription$2,500 a year
- HSQLDB softwareFree
- HSQLDBFree
- Developer SupportWare$100 a year
RxDB plans
- FreeFree
- Pro$99 a month
- Pro Plus$239 a month
- EnterprisePriced on request
Pick HSQLDB if…
HSQLDB may suit developers and organizations seeking a self-hosted Java database with embedded or server operation. Its listed tools and integrations may also be relevant to teams using the named Java and database projects.
Pick RxDB if…
RxDB may suit JavaScript developers building offline-capable apps that need local data storage and optional synchronization. Teams needing a larger collection allowance, added features, or an Enterprise support SLA can consider its paid tiers.