head to head · open source
oomwoo vs CrateDB
oomwoo has 12,969 GitHub stars, 815 forks, 3 open issues and last shipped 4 days ago. CrateDB has 4,448 stars, 621 forks, 332 open issues and last shipped yesterday. oomwoo leads on adoption by 192% (12,969 vs 4,448 stars). oomwoo is written in Python under Apache-2.0; CrateDB is written in Java under Apache-2.0. oomwoo has attracted 6% as many forks as stars, CrateDB 14%. CrateDB was the more recently maintained of the two, and both are self-hostable with no licence fee.
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
| oomwoo | CrateDB | |
|---|---|---|
| GitHub stars | ★ 13K | ★ 4.4K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Python | Java |
| Last push | 2026-11-02 | 2026-11-05 |
| Forks | ⑂ 815 | ⑂ 621 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick oomwoo if
- You weight community size — 13K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick CrateDB if
- You want the CrateDB feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Java
- You evaluated both and CrateDB fits your workflow better
About oomwoo
OOMWOO Open source robot vacuum you build yourself Clean well · Hackable · Raspberry Pi · 3D printed · Local / No cloud required · Home Assistant · Arduino · ROS2 · ESP32 OOMWOO is an open source home robot vacuum you can build yourself, built using Raspberry Pi, 3D printing, Home Assistant, Arduino and ROS2. It uses an affordable 2D LiDAR to map your home and navigate on its own. Local, no cloud required for regular functionality, no vendor lock in. Follow us building in public Discord X Instagram Facebook Reddit newsletter YouTube oomwoo.com Tutorials Early build instructions will be available in Fall 2026…
read the full oomwoo overview →
About CrateDB
.. image:: docs/ static/crate logo.svg :alt: CrateDB :target: .. image:: :target: .. image:: :target: .. image:: :target: Help us improve CrateDB by taking our User Survey! About ===== CrateDB is a distributed SQL database that makes it simple to store and analyze massive amounts of data in real time. CrateDB offers the benefits of an SQL database and the scalability and flexibility typically associated with NoSQL databases. Modest CrateDB clusters can ingest tens of thousands of records per second without breaking a sweat. You can run ad hoc queries using standard SQL . CrateDB's blazing fast distributed query…
read the full CrateDB overview →
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Frequently asked questions
Is oomwoo or CrateDB more popular?
oomwoo has 12,969 GitHub stars and CrateDB has 4,448. oomwoo has the larger community by that measure.
Are oomwoo and CrateDB free?
Both are open source. oomwoo is licensed under Apache-2.0 and CrateDB under Apache-2.0. Neither carries a licence fee.
What is the difference between oomwoo and CrateDB?
oomwoo is written in Python and CrateDB in Java. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, oomwoo or CrateDB?
Choose oomwoo if you want the larger community (12,969 stars) or its Apache-2.0 licence terms. Choose CrateDB if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.