head to head · open source
Screenity vs plasmo
Screenity has 18,894 GitHub stars, 1,538 forks, 8 open issues and last shipped 9 days ago. plasmo has 13,172 stars, 466 forks, 371 open issues and last shipped 3 days ago. Screenity leads on adoption by 43% (18,894 vs 13,172 stars). Screenity is written in JavaScript under GPL-3.0; plasmo is written in TypeScript under MIT. Screenity has attracted 8% 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 (chrome-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
| Screenity | plasmo | |
|---|---|---|
| GitHub stars | ★ 19K | ★ 13K |
| License | GPL-3.0 | MIT |
| Written in | JavaScript | TypeScript |
| Last push | 2026-10-25 | 2026-10-31 |
| Forks | ⑂ 1.5K | ⑂ 466 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Screenity if
- You weight community size — 19K stars and counting
- You want the GPL-3.0 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 Screenity
Screenity ✨ Screenity's open source work is sponsored by Recall.ai API for desktop recording If you’re looking for a hosted desktop recording API, consider checking out Recall.ai, an API that records Zoom, Google Meet, Microsoft Teams, in person meetings, and more. The free and privacy friendly screen recorder with no limits 🎥 Get it now it's free! Screenity is a powerful privacy friendly screen recorder and annotation tool to make better videos for work, education, and more. You can create stunning product demos, tutorials, presentations, or share feedback with your team all for free. Want to support the…
read the full Screenity 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 →
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Frequently asked questions
Is Screenity or plasmo more popular?
Screenity has 18,894 GitHub stars and plasmo has 13,172. Screenity has the larger community by that measure.
Are Screenity and plasmo free?
Both are open source. Screenity is licensed under GPL-3.0 and plasmo under MIT. Neither carries a licence fee.
What is the difference between Screenity and plasmo?
Screenity 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, Screenity or plasmo?
Choose Screenity if you want the larger community (18,894 stars) or its GPL-3.0 licence terms. Choose plasmo if its feature set, stack or MIT licence fits better. Both are self-hostable.