head to head · open source
CrateDB vs HAP-NodeJS
CrateDB has 4,436 GitHub stars, 617 forks, 332 open issues and last shipped yesterday. HAP-NodeJS has 2,722 stars, 619 forks, 6 open issues and last shipped 1 months ago. CrateDB leads on adoption by 63% (4,436 vs 2,722 stars). CrateDB is written in Java under Apache-2.0; HAP-NodeJS is written in TypeScript under Apache-2.0. CrateDB has attracted 14% as many forks as stars, HAP-NodeJS 23%. 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 | HAP-NodeJS | |
|---|---|---|
| GitHub stars | ★ 4.4K | ★ 2.7K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Java | TypeScript |
| Last push | 2026-09-21 | 2026-08-22 |
| Forks | ⑂ 617 | ⑂ 619 |
| 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 HAP-NodeJS if
- You want the HAP-NodeJS feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and HAP-NodeJS 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 HAP-NodeJS
HAP NodeJS is a TypeScript implementation of the server side of Apple's HomeKit Accessory Protocol (HAP), published under the Apache 2.0 licence as a library for developers who want to build their own HomeKit accessories on Raspberry Pi, Intel Edison, or any other platform that can run Node.js.
read the full HAP-NodeJS overview →
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Frequently asked questions
Is CrateDB or HAP-NodeJS more popular?
CrateDB has 4,436 GitHub stars and HAP-NodeJS has 2,722. CrateDB has the larger community by that measure.
Are CrateDB and HAP-NodeJS free?
Both are open source. CrateDB is licensed under Apache-2.0 and HAP-NodeJS under Apache-2.0. Neither carries a licence fee.
What is the difference between CrateDB and HAP-NodeJS?
CrateDB is written in Java and HAP-NodeJS in TypeScript. 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 HAP-NodeJS?
Choose CrateDB if you want the larger community (4,436 stars) or its Apache-2.0 licence terms. Choose HAP-NodeJS if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.