head to head · open source
orm vs WatermelonDB
orm has 47,640 GitHub stars, 2,538 forks, 2,627 open issues and last shipped 2 days ago. WatermelonDB has 11,785 stars, 658 forks, 304 open issues and last shipped 4 days ago. orm leads on adoption by 304% (47,640 vs 11,785 stars). orm is written in TypeScript under Apache-2.0; WatermelonDB is written in JavaScript under MIT. orm has attracted 5% as many forks as stars, WatermelonDB 6%. orm was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (database), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| orm | WatermelonDB | |
|---|---|---|
| GitHub stars | ★ 48K | ★ 12K |
| License | Apache-2.0 | MIT |
| Written in | TypeScript | JavaScript |
| Last push | 2026-09-18 | 2026-09-16 |
| Forks | ⑂ 2.5K | ⑂ 658 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick orm if
- You weight community size — 48K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick WatermelonDB if
- You want the WatermelonDB feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches JavaScript
- You evaluated both and WatermelonDB fits your workflow better
About orm
Prisma ORM is a next generation TypeScript ORM for Node.js and TypeScript applications, supporting PostgreSQL, MySQL, MariaDB, SQL Server, SQLite, MongoDB, and CockroachDB, and it is aimed at developers and teams building data backed applications in that ecosystem.
About WatermelonDB
WatermelonDB is an MIT licensed, open source reactive database framework for JavaScript that keeps React and React Native apps launching fast by loading records lazily from a SQLite foundation instead of pulling an entire dataset into JavaScript.
read the full WatermelonDB overview →
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Frequently asked questions
Is orm or WatermelonDB more popular?
orm has 47,640 GitHub stars and WatermelonDB has 11,785. orm has the larger community by that measure.
Are orm and WatermelonDB free?
Both are open source. orm is licensed under Apache-2.0 and WatermelonDB under MIT. Neither carries a licence fee.
What is the difference between orm and WatermelonDB?
orm is written in TypeScript and WatermelonDB in JavaScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, orm or WatermelonDB?
Choose orm if you want the larger community (47,640 stars) or its Apache-2.0 licence terms. Choose WatermelonDB if its feature set, stack or MIT licence fits better. Both are self-hostable.