head to head · open source
ClickHouse vs cloudserver
ClickHouse has 50,719 GitHub stars, 9,204 forks, 7,547 open issues and last shipped yesterday. cloudserver has 1,955 stars, 258 forks, 113 open issues and last shipped yesterday. ClickHouse leads on adoption by 2,494% (50,719 vs 1,955 stars). ClickHouse is written in C++ under Apache-2.0; cloudserver is written in JavaScript under Apache-2.0. ClickHouse has attracted 18% as many forks as stars, cloudserver 13%. ClickHouse was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (cloud-native), 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 | cloudserver | |
|---|---|---|
| GitHub stars | ★ 51K | ★ 2.0K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | C++ | JavaScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 9.2K | ⑂ 258 |
| 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 cloudserver if
- You want the cloudserver 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 cloudserver 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 cloudserver
Zenko CloudServer [![Docker Pulls][badgedocker]]( [![Docker Pulls][badgetwitter]]( Overview CloudServer (formerly S3 Server) is an open source Amazon S3 compatible object storage server that is part of Zenko, Scality’s Open Source Multi Cloud Data Controller. CloudServer provides a single AWS S3 API interface to access multiple backend data storage both on premise or public in the cloud. CloudServer is useful for Developers, either to run as part of a continous integration test environment to emulate the AWS S3 service locally or as an abstraction layer to develop object storage enabled application on the go…
read the full cloudserver overview →
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Frequently asked questions
Is ClickHouse or cloudserver more popular?
ClickHouse has 50,719 GitHub stars and cloudserver has 1,955. ClickHouse has the larger community by that measure.
Are ClickHouse and cloudserver free?
Both are open source. ClickHouse is licensed under Apache-2.0 and cloudserver under Apache-2.0. Neither carries a licence fee.
What is the difference between ClickHouse and cloudserver?
ClickHouse is written in C++ and cloudserver 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, ClickHouse or cloudserver?
Choose ClickHouse if you want the larger community (50,719 stars) or its Apache-2.0 licence terms. Choose cloudserver if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.