head to head · open source
effect vs odd-platform
effect has 16,138 GitHub stars, 752 forks, 253 open issues and last shipped today. odd-platform has 1,429 stars, 147 forks, 135 open issues and last shipped today. effect leads on adoption by 1,029% (16,138 vs 1,429 stars). effect is written in TypeScript under MIT; odd-platform is written in Java under Apache-2.0. effect has attracted 5% as many forks as stars, odd-platform 10%. effect 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
| effect | odd-platform | |
|---|---|---|
| GitHub stars | ★ 16K | ★ 1.4K |
| License | MIT | Apache-2.0 |
| Written in | TypeScript | Java |
| Last push | 2026-09-20 | 2026-09-20 |
| Forks | ⑂ 752 | ⑂ 147 |
| 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 odd-platform if
- You want the odd-platform 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 odd-platform 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 odd-platform
ODD Platform (Open Data Discovery) is an Apache 2.0, Java based, open source data discovery and observability platform for data teams that need one place to catalogue, trace, monitor and govern the data moving through their pipelines.
read the full odd-platform overview →
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Frequently asked questions
Is effect or odd-platform more popular?
effect has 16,138 GitHub stars and odd-platform has 1,429. effect has the larger community by that measure.
Are effect and odd-platform free?
Both are open source. effect is licensed under MIT and odd-platform under Apache-2.0. Neither carries a licence fee.
What is the difference between effect and odd-platform?
effect is written in TypeScript and odd-platform 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 odd-platform?
Choose effect if you want the larger community (16,138 stars) or its MIT licence terms. Choose odd-platform if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.