head to head · open source
quasar vs plasmo
quasar has 27,211 GitHub stars, 3,672 forks, 74 open issues and last shipped 3 days ago. plasmo has 13,152 stars, 462 forks, 371 open issues and last shipped yesterday. quasar leads on adoption by 107% (27,211 vs 13,152 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.
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Side by side
| quasar | plasmo | |
|---|---|---|
| GitHub stars | ★ 27K | ★ 13K |
| License | MIT | MIT |
| Written in | JavaScript | TypeScript |
| Last push | 2026-09-17 | 2026-09-19 |
| Forks | ⑂ 3.7K | ⑂ 462 |
| 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 is an MIT licensed Vue.js framework that builds responsive single page apps, server side rendered and statically generated sites, progressive web apps, browser extensions, hybrid mobile apps, and Electron desktop apps from a single codebase.
read the full quasar overview →
About plasmo
Plasmo is an MIT licensed, TypeScript based browser extension framework that packages the build toolchain, manifest generation, and runtime APIs for Chrome, Edge, and Firefox add ons into a single SDK for React and TypeScript developers.
read the full plasmo overview →
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Frequently asked questions
Is quasar or plasmo more popular?
quasar has 27,211 GitHub stars and plasmo has 13,152. 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 (27,211 stars) or its MIT licence terms. Choose plasmo if its feature set, stack or MIT licence fits better. Both are self-hostable.