head to head · open source
effect vs odd-platform
effect has 17,476 GitHub stars, 895 forks, 253 open issues and last shipped yesterday. odd-platform has 1,441 stars, 152 forks, 135 open issues and last shipped 17 days ago. effect leads on adoption by 1,113% (17,476 vs 1,441 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 11%. 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 | ★ 17K | ★ 1.4K |
| License | MIT | Apache-2.0 |
| Written in | TypeScript | Java |
| Last push | 2026-11-04 | 2026-10-19 |
| Forks | ⑂ 895 | ⑂ 152 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick effect if
- You weight community size — 17K 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 Effect is a library for building robust, maintainable, type safe, and production grade applications in TypeScript. It helps you handle the hard problems at scale: typed errors, dependency injection, structured concurrency, scheduling, tracing, and unified schema validation. Effect V4 is currently a release candidate. The main branch contains v4 development. Install V4 RC Requirements TypeScript 5.9 or newer. TypeScript 7 is recommended for the best performance and compatibility with Effect's TypeScript tooling. Node.js 18 or newer is the general minimum for running Effect on Node.js. Some integration…
read the full effect overview →
About odd-platform
Next Gen Data Discovery and Data Observability Platform Website • LinkedIn • Slack • Documentation • Blog • Demo Demo Play with our demo app! Introduction ODD is an open source data discovery and observability tool for data teams that helps to efficiently democratise data, power collaboration and reduce time on data discovery through modern user friendly environment. Key wins Shorten data discovery phase Have transparency on how and by whom the data is used Foster data culture by continuous compliance and data quality monitoring Accelerate data insights Know the sources of your dashboards and ad hoc reports…
read the full odd-platform overview →
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Frequently asked questions
Is effect or odd-platform more popular?
effect has 17,476 GitHub stars and odd-platform has 1,441. 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 (17,476 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.