head to head · open source
doris vs thanos
doris has 15,945 GitHub stars, 3,949 forks, 1,320 open issues and last shipped yesterday. thanos has 14,207 stars, 2,369 forks, 908 open issues and last shipped yesterday. doris leads on adoption by 12% (15,945 vs 14,207 stars). doris is written in Java under Apache-2.0; thanos is written in Go under Apache-2.0. doris has attracted 25% as many forks as stars, thanos 17%. doris was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (observability), 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
| doris | thanos | |
|---|---|---|
| GitHub stars | ★ 16K | ★ 14K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Java | Go |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 3.9K | ⑂ 2.4K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick doris if
- You weight community size — 16K 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 thanos if
- You want the thanos feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and thanos fits your workflow better
About doris
Apache Doris is an open source, real time analytics and search database built on a massively parallel processing (MPP) architecture. It runs on the JVM and is written in Java, licensed under Apache 2.0, and has been developed in the open for roughly nine years, with the repository showing about 15,900 stars and 3,900 forks. It lives in the data infrastructure ecosystem, where it sits alongside streaming systems, lakehouse table formats, and business intelligence tooling rather than replacing any single one of them. The project describes itself as a real time analytics and hybrid search database for AI agents.…
read the full doris overview →
About thanos
Thanos is a CNCF Incubating, Apache 2.0 licensed collection of Go components that composes a highly available metric system with unlimited storage capacity on top of an existing Prometheus deployment.
read the full thanos overview →
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Frequently asked questions
Is doris or thanos more popular?
doris has 15,945 GitHub stars and thanos has 14,207. doris has the larger community by that measure.
Are doris and thanos free?
Both are open source. doris is licensed under Apache-2.0 and thanos under Apache-2.0. Neither carries a licence fee.
What is the difference between doris and thanos?
doris is written in Java and thanos 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, doris or thanos?
Choose doris if you want the larger community (15,945 stars) or its Apache-2.0 licence terms. Choose thanos if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.