head to head · open source
CrateDB vs HomeSpan
CrateDB has 4,450 GitHub stars, 620 forks, 332 open issues and last shipped 2 days ago. HomeSpan has 2,210 stars, 206 forks, 9 open issues and last shipped 2 months ago. CrateDB leads on adoption by 101% (4,450 vs 2,210 stars). CrateDB is written in Java under Apache-2.0; HomeSpan is written in C++ under MIT. CrateDB has attracted 14% as many forks as stars, HomeSpan 9%. 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 | HomeSpan | |
|---|---|---|
| GitHub stars | ★ 4.5K | ★ 2.2K |
| License | Apache-2.0 | MIT |
| Written in | Java | C++ |
| Last push | 2026-11-07 | 2026-09-15 |
| Forks | ⑂ 620 | ⑂ 206 |
| 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 HomeSpan if
- You want the HomeSpan feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches C++
- You evaluated both and HomeSpan 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 HomeSpan
Welcome! Welcome to HomeSpan a robust and extremely easy to use Arduino library for creating your own ESP32 based HomeKit devices entirely within the Arduino IDE. HomeSpan provides a microcontroller focused implementation of Apple's HomeKit Accessory Protocol Specification Release R2 (HAP R2) designed specifically for the Espressif ESP32 microcontroller running within the Arduino IDE. HomeSpan pairs directly to HomeKit via your home WiFi network without the need for any external bridges or components. With HomeSpan you can use the full power of the ESP32's I/O functionality to create custom control software…
read the full HomeSpan overview →
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Frequently asked questions
Is CrateDB or HomeSpan more popular?
CrateDB has 4,450 GitHub stars and HomeSpan has 2,210. CrateDB has the larger community by that measure.
Are CrateDB and HomeSpan free?
Both are open source. CrateDB is licensed under Apache-2.0 and HomeSpan under MIT. Neither carries a licence fee.
What is the difference between CrateDB and HomeSpan?
CrateDB is written in Java and HomeSpan in C++. 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 HomeSpan?
Choose CrateDB if you want the larger community (4,450 stars) or its Apache-2.0 licence terms. Choose HomeSpan if its feature set, stack or MIT licence fits better. Both are self-hostable.