head to head · open source
ClickHouse vs nitrite-java
ClickHouse has 50,719 GitHub stars, 9,204 forks, 7,547 open issues and last shipped yesterday. nitrite-java has 921 stars, 96 forks, 0 open issues and last shipped yesterday. ClickHouse leads on adoption by 5,407% (50,719 vs 921 stars). ClickHouse is written in C++ under Apache-2.0; nitrite-java is written in Java under Apache-2.0. ClickHouse has attracted 18% as many forks as stars, nitrite-java 10%. ClickHouse was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (database), 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
| ClickHouse | nitrite-java | |
|---|---|---|
| GitHub stars | ★ 51K | ★ 921 |
| License | Apache-2.0 | Apache-2.0 |
| Written in | C++ | Java |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 9.2K | ⑂ 96 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ClickHouse if
- You weight community size — 51K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches C++
- You value the larger contributor base for long-term maintenance
pick nitrite-java if
- You want the nitrite-java 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 nitrite-java fits your workflow better
About ClickHouse
ClickHouse® is an open source column oriented database management system that allows generating analytical data reports in real time. How To Install (Linux, macOS, FreeBSD) Useful Links Official website has a quick high level overview of ClickHouse on the main page. ClickHouse Cloud ClickHouse as a service, built by the creators and maintainers. Tutorial shows how to set up and query a small ClickHouse cluster. Documentation provides more in depth information. YouTube channel has a lot of content about ClickHouse in video format. ClickHouse Theater contains presentations and videos about ClickHouse. Slack and…
read the full ClickHouse overview →
About nitrite-java
Nitrite Database NO sql O bject ( NO 2 a.k.a Nitrite) database is an open source nosql embedded document store. It supports both in memory and file based persistent store. Nitrite is an embedded database ideal for desktop, mobile or small web applications. It features : Embedded, serverless Simple API Document oriented Schemaless document collection and object repository Extensible storage engines mvstore, rocksdb Indexing and full text search Simple query api In memory and file based store Transaction support Schema migration support Encryption support Android compatibility (API Level 26) Kotlin Extension…
read the full nitrite-java overview →
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Frequently asked questions
Is ClickHouse or nitrite-java more popular?
ClickHouse has 50,719 GitHub stars and nitrite-java has 921. ClickHouse has the larger community by that measure.
Are ClickHouse and nitrite-java free?
Both are open source. ClickHouse is licensed under Apache-2.0 and nitrite-java under Apache-2.0. Neither carries a licence fee.
What is the difference between ClickHouse and nitrite-java?
ClickHouse is written in C++ and nitrite-java 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, ClickHouse or nitrite-java?
Choose ClickHouse if you want the larger community (50,719 stars) or its Apache-2.0 licence terms. Choose nitrite-java if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.