head to head · open source
effect vs doris
effect has 16,097 GitHub stars, 747 forks, 253 open issues and last shipped yesterday. doris has 15,945 stars, 3,949 forks, 1,320 open issues and last shipped yesterday. effect leads on adoption by 1% (16,097 vs 15,945 stars). effect is written in TypeScript under MIT; doris is written in Java under Apache-2.0. effect has attracted 5% as many forks as stars, doris 25%. effect 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
| effect | doris | |
|---|---|---|
| GitHub stars | ★ 16K | ★ 16K |
| License | MIT | Apache-2.0 |
| Written in | TypeScript | Java |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 747 | ⑂ 3.9K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick effect if
- You weight community size — 16K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick doris if
- You want the doris 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 doris fits your workflow better
About effect
Effect is a TypeScript library for building robust, maintainable, type safe, and production grade applications. It lives in the TypeScript and JavaScript ecosystem, distributed as the core effect package alongside a monorepo of integration packages that extend it. The project is MIT licensed, has been developed for roughly seven years, and currently ships Effect V4 as a release candidate, with the main branch holding v4 development and the v3 branch retaining the previous line.
read the full effect overview →
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 →
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Frequently asked questions
Is effect or doris more popular?
effect has 16,097 GitHub stars and doris has 15,945. effect has the larger community by that measure.
Are effect and doris free?
Both are open source. effect is licensed under MIT and doris under Apache-2.0. Neither carries a licence fee.
What is the difference between effect and doris?
effect is written in TypeScript and doris 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, effect or doris?
Choose effect if you want the larger community (16,097 stars) or its MIT licence terms. Choose doris if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.