head to head · open source
Harness vs rsbuild
Harness has 38,798 GitHub stars, 3,451 forks, 106 open issues and last shipped yesterday. rsbuild has 3,414 stars, 294 forks, 22 open issues and last shipped yesterday. Harness leads on adoption by 1,036% (38,798 vs 3,414 stars). Harness is written in Go under Apache-2.0; rsbuild is written in TypeScript under MIT. Harness has attracted 9% as many forks as stars, rsbuild 9%. Harness 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.
← all 20902 open source comparisons
Side by side
| Harness | rsbuild | |
|---|---|---|
| GitHub stars | ★ 39K | ★ 3.4K |
| License | Apache-2.0 | MIT |
| Written in | Go | TypeScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 3.5K | ⑂ 294 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Harness if
- You weight community size — 39K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick rsbuild if
- You want the rsbuild feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and rsbuild fits your workflow better
About Harness
Harness Harness Open Source is an open source development platform packed with the power of code hosting, automated DevOps pipelines, hosted development environments (Gitspaces), and artifact registries. Overview Harness Open source is an open source development platform packed with the power of code hosting, automated DevOps pipelines, Gitspaces, and artifact registries. Running Harness locally The latest publicly released docker image can be found on harness/harness. To install Harness yourself, simply run the command below. Once the container is up, you can visit in your browser. The Harness image uses a…
read the full Harness overview →
About rsbuild
Rsbuild English Portuguese 简体中文 Rsbuild is a modern build tool for web applications, powered by Rspack. It delivers fast builds and optimized production output, while keeping configuration simple, consistent, and extensible through plugins. 🔥 Features Rsbuild has the following features: Easy to configure : One of Rsbuild's goals is to give Rspack users out of the box build capabilities so they can start web projects with zero configuration. Rsbuild also provides a semantic build configuration API to reduce the Rspack learning curve. Performance focused : Rsbuild integrates high performance Rust based tools from…
read the full rsbuild overview →
More in Developer Tools
Related comparisons
More Build & Deployment projects
Compare either of these against the rest of the Build & Deployment field.
Frequently asked questions
Is Harness or rsbuild more popular?
Harness has 38,798 GitHub stars and rsbuild has 3,414. Harness has the larger community by that measure.
Are Harness and rsbuild free?
Both are open source. Harness is licensed under Apache-2.0 and rsbuild under MIT. Neither carries a licence fee.
What is the difference between Harness and rsbuild?
Harness is written in Go and rsbuild in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Harness or rsbuild?
Choose Harness if you want the larger community (38,798 stars) or its Apache-2.0 licence terms. Choose rsbuild if its feature set, stack or MIT licence fits better. Both are self-hostable.