head to head · open source
ClickHouse vs cloudserver
ClickHouse has 50,116 GitHub stars, 9,017 forks, 7,547 open issues and last shipped today. cloudserver has 1,951 stars, 260 forks, 113 open issues and last shipped yesterday. ClickHouse leads on adoption by 2,469% (50,116 vs 1,951 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 | ★ 50K | ★ 2.0K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | C++ | JavaScript |
| Last push | 2026-09-28 | 2026-09-27 |
| Forks | ⑂ 9.0K | ⑂ 260 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ClickHouse if
- You weight community size — 50K 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 written in C++ that delivers real time analytical query performance on massive datasets. It operates within the broader data infrastructure ecosystem, serving as a high performance alternative to traditional row oriented databases for OLAP workloads.
read the full ClickHouse overview →
About cloudserver
Zenko CloudServer is an open source, Apache 2.0 licensed Node.js object storage server that presents the Amazon S3 protocol on the front end and writes to multiple back ends, including Azure and Google, and it is built for developers who need S3 compatible storage running locally, on premise, or in a public cloud.
read the full cloudserver overview →
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Frequently asked questions
Is ClickHouse or cloudserver more popular?
ClickHouse has 50,116 GitHub stars and cloudserver has 1,951. 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 (50,116 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.