head to head · open source
ClickHouse vs aistore
ClickHouse has 50,116 GitHub stars, 9,017 forks, 7,547 open issues and last shipped today. aistore has 1,937 stars, 284 forks, 5 open issues and last shipped yesterday. ClickHouse leads on adoption by 2,487% (50,116 vs 1,937 stars). ClickHouse is written in C++ under Apache-2.0; aistore is written in Go under MIT. ClickHouse has attracted 18% as many forks as stars, aistore 15%. ClickHouse 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
| ClickHouse | aistore | |
|---|---|---|
| GitHub stars | ★ 50K | ★ 1.9K |
| License | Apache-2.0 | MIT |
| Written in | C++ | Go |
| Last push | 2026-09-28 | 2026-09-27 |
| Forks | ⑂ 9.0K | ⑂ 284 |
| 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 aistore if
- You want the aistore feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Go
- You evaluated both and aistore 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 aistore
AIStore (AIS) is a lightweight, MIT licensed distributed object storage stack written in Go and tailored for AI workloads, intended for teams that need to keep training datasets and data transformation pipelines on their own Linux or Kubernetes infrastructure.
read the full aistore overview →
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Frequently asked questions
Is ClickHouse or aistore more popular?
ClickHouse has 50,116 GitHub stars and aistore has 1,937. ClickHouse has the larger community by that measure.
Are ClickHouse and aistore free?
Both are open source. ClickHouse is licensed under Apache-2.0 and aistore under MIT. Neither carries a licence fee.
What is the difference between ClickHouse and aistore?
ClickHouse is written in C++ and aistore in Go. 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 aistore?
Choose ClickHouse if you want the larger community (50,116 stars) or its Apache-2.0 licence terms. Choose aistore if its feature set, stack or MIT licence fits better. Both are self-hostable.