head to head · open source
Harness vs wxt
Harness has 38,798 GitHub stars, 3,451 forks, 106 open issues and last shipped yesterday. wxt has 10,688 stars, 589 forks, 214 open issues and last shipped yesterday. Harness leads on adoption by 263% (38,798 vs 10,688 stars). Harness is written in Go under Apache-2.0; wxt is written in TypeScript under MIT. Harness has attracted 9% as many forks as stars, wxt 6%. 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.
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Side by side
| Harness | wxt | |
|---|---|---|
| GitHub stars | ★ 39K | ★ 11K |
| License | Apache-2.0 | MIT |
| Written in | Go | TypeScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 3.5K | ⑂ 589 |
| 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 wxt if
- You want the wxt feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and wxt 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 wxt
WXT Next gen framework for developing web extensions. ⚡ It's like Nuxt, but for Web Extensions Get Started • Configuration • Examples • Changelog • Discord Demo Quick Start Bootstrap a new project: Or see the installation guide to get started with WXT. Features 🌐 Supports all browsers ✅ Supports both MV2 and MV3 ⚡ Dev mode with HMR & fast reload 📂 File based entrypoints 🚔 TypeScript 🦾 Auto imports 🤖 Automated publishing 🎨 Frontend framework agnostic: works with Vue, React, Svelte, etc 📦 Module system for reusing code between extensions 🖍️ Quickly bootstrap a new project 📏 Bundle analysis Sponsors WXT is…
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Frequently asked questions
Is Harness or wxt more popular?
Harness has 38,798 GitHub stars and wxt has 10,688. Harness has the larger community by that measure.
Are Harness and wxt free?
Both are open source. Harness is licensed under Apache-2.0 and wxt under MIT. Neither carries a licence fee.
What is the difference between Harness and wxt?
Harness is written in Go and wxt 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 wxt?
Choose Harness if you want the larger community (38,798 stars) or its Apache-2.0 licence terms. Choose wxt if its feature set, stack or MIT licence fits better. Both are self-hostable.