head to head · open source
quasar vs plasmo
quasar has 27,207 GitHub stars, 3,667 forks, 74 open issues and last shipped 17 days ago. plasmo has 13,173 stars, 466 forks, 371 open issues and last shipped 2 days ago. quasar leads on adoption by 107% (27,207 vs 13,173 stars). quasar is written in JavaScript under MIT; plasmo is written in TypeScript under MIT. quasar has attracted 13% as many forks as stars, plasmo 4%. plasmo was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (browser-extension), so they are genuine substitutes rather than adjacent tools.
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
| quasar | plasmo | |
|---|---|---|
| GitHub stars | ★ 27K | ★ 13K |
| License | MIT | MIT |
| Written in | JavaScript | TypeScript |
| Last push | 2026-10-19 | 2026-11-03 |
| Forks | ⑂ 3.7K | ⑂ 466 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick quasar if
- You weight community size — 27K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick plasmo if
- You want the plasmo feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and plasmo fits your workflow better
About quasar
Quasar Framework Build high performance Vue.js user interfaces in record time: responsive Single Page Apps, SSR Apps, SSG Apps, PWAs, browser extensions, hybrid mobile apps and Electron apps. If you want, all using the same codebase! Please submit a PR to with your website/app/Quasar tutorial/video etc. Thank you! Supporting Quasar Quasar Framework is an MIT licensed open source project. Its ongoing development is made possible thanks to the support by our awesome sponsors and backers. Please consider supporting our efforts, too! If you use Quasar at work, drop a message to your management about sponsoring us at…
read the full quasar overview →
About plasmo
English 简体中文 Tiếng Việt Deutsch French Indonesian Русский Turkish 日本語 한국어 Production Cloud: We've built a cloud offering for browser extensions called Itero. Check it out if you want instant beta testing and more awesome features. Plasmo Framework The Plasmo Framework is a battery packed browser extension SDK made by hackers for hackers. Build your product and stop worrying about config files and the odd peculiarities of building browser extensions. It's like Next.js for browser extensions! Highlighted Features First class React + Typescript Support Declarative Development Content Scripts UI Tab Pages Live…
read the full plasmo overview →
More in Productivity & Utilities
Related comparisons
More Browsers & Extensions projects
Compare either of these against the rest of the Browsers & Extensions field.
Frequently asked questions
Is quasar or plasmo more popular?
quasar has 27,207 GitHub stars and plasmo has 13,173. quasar has the larger community by that measure.
Are quasar and plasmo free?
Both are open source. quasar is licensed under MIT and plasmo under MIT. Neither carries a licence fee.
What is the difference between quasar and plasmo?
quasar is written in JavaScript and plasmo 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, quasar or plasmo?
Choose quasar if you want the larger community (27,207 stars) or its MIT licence terms. Choose plasmo if its feature set, stack or MIT licence fits better. Both are self-hostable.