head to head · open source
Harness vs style-dictionary
Harness has 38,798 GitHub stars, 3,451 forks, 106 open issues and last shipped yesterday. style-dictionary has 4,875 stars, 648 forks, 242 open issues and last shipped 6 days ago. Harness leads on adoption by 696% (38,798 vs 4,875 stars). Harness is written in Go under Apache-2.0; style-dictionary is written in JavaScript under Apache-2.0. Harness has attracted 9% as many forks as stars, style-dictionary 13%. 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 | style-dictionary | |
|---|---|---|
| GitHub stars | ★ 39K | ★ 4.9K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Go | JavaScript |
| Last push | 2026-11-02 | 2026-10-28 |
| Forks | ⑂ 3.5K | ⑂ 648 |
| 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 style-dictionary if
- You want the style-dictionary feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches JavaScript
- You evaluated both and style-dictionary 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 style-dictionary
What's new in Style Dictionary 4.0! Style Dictionary See documentation Style once, use everywhere. A Style Dictionary uses design tokens to define styles once and use those styles on any platform or language. It provides a single place to create and edit your styles, and exports these tokens to all the places you need iOS, Android, CSS, JS, HTML, sketch files, style documentation, etc. It is available as a CLI through npm, but can also be used like any normal node module if you want to extend its functionality. When you are managing user experiences, it can be quite challenging to keep styles consistent and…
read the full style-dictionary overview →
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Frequently asked questions
Is Harness or style-dictionary more popular?
Harness has 38,798 GitHub stars and style-dictionary has 4,875. Harness has the larger community by that measure.
Are Harness and style-dictionary free?
Both are open source. Harness is licensed under Apache-2.0 and style-dictionary under Apache-2.0. Neither carries a licence fee.
What is the difference between Harness and style-dictionary?
Harness is written in Go and style-dictionary in JavaScript. 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 style-dictionary?
Choose Harness if you want the larger community (38,798 stars) or its Apache-2.0 licence terms. Choose style-dictionary if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.