head to head · open source
CrateDB vs supervisor
CrateDB has 4,436 GitHub stars, 617 forks, 332 open issues and last shipped 2 days ago. supervisor has 2,226 stars, 806 forks, 109 open issues and last shipped 3 days ago. CrateDB leads on adoption by 99% (4,436 vs 2,226 stars). CrateDB is written in Java under Apache-2.0; supervisor is written in Python under Apache-2.0. CrateDB has attracted 14% as many forks as stars, supervisor 36%. 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
| CrateDB | supervisor | |
|---|---|---|
| GitHub stars | ★ 4.4K | ★ 2.2K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Java | Python |
| Last push | 2026-09-18 | 2026-09-17 |
| Forks | ⑂ 617 | ⑂ 806 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick CrateDB if
- You weight community size — 4.4K 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 supervisor if
- You want the supervisor feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and supervisor fits your workflow better
About CrateDB
CrateDB is a distributed, scalable SQL database built for storing and analyzing massive amounts of data in near real time, including complex queries. It is written in Java, licensed under Apache 2.0, and based on Lucene. The project combines the benefits of an SQL database with the scalability and flexibility typically associated with NoSQL databases, and it is PostgreSQL compatible, speaking the PostgreSQL wire protocol as well as offering an HTTP API. It lives in the analytics, big data, and IoT ecosystem, and the topic list places it alongside distributed SQL databases, Elasticsearch, industrial IoT, and IoT a…
read the full CrateDB overview →
About supervisor
Home Assistant Supervisor is a Python project for the Home Assistant ecosystem, a home automation platform. It is a container based system that manages Home Assistant Core installations and related applications. The project is described as a private cloud solution for home automation, and it is controlled through Home Assistant, which communicates with the Supervisor.
read the full supervisor overview →
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Frequently asked questions
Is CrateDB or supervisor more popular?
CrateDB has 4,436 GitHub stars and supervisor has 2,226. CrateDB has the larger community by that measure.
Are CrateDB and supervisor free?
Both are open source. CrateDB is licensed under Apache-2.0 and supervisor under Apache-2.0. Neither carries a licence fee.
What is the difference between CrateDB and supervisor?
CrateDB is written in Java and supervisor in Python. 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 supervisor?
Choose CrateDB if you want the larger community (4,436 stars) or its Apache-2.0 licence terms. Choose supervisor if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.