head to head · open source
CrateDB vs Gladys Assistant
CrateDB has 4,450 GitHub stars, 620 forks, 332 open issues and last shipped yesterday. Gladys Assistant has 3,269 stars, 333 forks, 51 open issues and last shipped yesterday. CrateDB leads on adoption by 36% (4,450 vs 3,269 stars). CrateDB is written in Java under Apache-2.0; Gladys Assistant is written in JavaScript under Apache-2.0. CrateDB has attracted 14% as many forks as stars, Gladys Assistant 10%. Gladys Assistant was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (iot), 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
| CrateDB | Gladys Assistant | |
|---|---|---|
| GitHub stars | ★ 4.5K | ★ 3.3K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Java | JavaScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 620 | ⑂ 333 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick CrateDB if
- You weight community size — 4.5K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Java
- You value the larger contributor base for long-term maintenance
pick Gladys Assistant if
- You want the Gladys Assistant feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches JavaScript
- You evaluated both and Gladys Assistant fits your workflow better
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 →
About Gladys Assistant
Gladys Assistant Your privacy first, open source smart home assistant Try It • Getting Started • Contribute • Contributors • License 🚀 Try Gladys Assistant Spin up a local Gladys Assistant instance in seconds using Docker: Prefer using Docker Compose? Check out our Docker Compose installation guide. 📚 Getting Started To install Gladys Assistant on your smart home setup, head over to our official website for a step by step guide. Whether you're installing on a mini PC, a NAS or a Raspberry Pi, we've got you covered with clear instructions tailored to your setup. 🤝 Contribute to Gladys We welcome contributions…
read the full Gladys Assistant overview →
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Frequently asked questions
Is CrateDB or Gladys Assistant more popular?
CrateDB has 4,450 GitHub stars and Gladys Assistant has 3,269. CrateDB has the larger community by that measure.
Are CrateDB and Gladys Assistant free?
Both are open source. CrateDB is licensed under Apache-2.0 and Gladys Assistant under Apache-2.0. Neither carries a licence fee.
What is the difference between CrateDB and Gladys Assistant?
CrateDB is written in Java and Gladys Assistant 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, CrateDB or Gladys Assistant?
Choose CrateDB if you want the larger community (4,450 stars) or its Apache-2.0 licence terms. Choose Gladys Assistant if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.