head to head · open source
Screenity vs peerjs
Screenity has 18,703 GitHub stars, 1,521 forks, 8 open issues and last shipped 2 days ago. peerjs has 13,446 stars, 1,460 forks, 201 open issues and last shipped 7 months ago. Screenity leads on adoption by 39% (18,703 vs 13,446 stars). Screenity is written in JavaScript under GPL-3.0; peerjs is written in TypeScript under MIT. Screenity has attracted 8% as many forks as stars, peerjs 11%. Screenity was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (javascript), 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 | peerjs | |
|---|---|---|
| GitHub stars | ★ 19K | ★ 13K |
| License | GPL-3.0 | MIT |
| Written in | JavaScript | TypeScript |
| Last push | 2026-09-16 | 2026-02-27 |
| Forks | ⑂ 1.5K | ⑂ 1.5K |
| 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 peerjs if
- You want the peerjs feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and peerjs fits your workflow better
About Screenity
Screenity is a JavaScript Chrome extension under the GPL 3.0 license that records the screen and supports annotation in the browser. It lives in the Chrome extension ecosystem and is distributed through the Chrome Web Store, while its source code is available on GitHub.
read the full Screenity overview →
About peerjs
PeerJS is an open source library that provides a complete, configurable, and easy to use peer to peer API built on top of WebRTC. It lives in the JavaScript and TypeScript ecosystem, is written in TypeScript, and is distributed under the MIT license. The library supports both data channels and media streams, so applications can send arbitrary messages between browsers or negotiate audio and video calls without routing traffic through a central media server.
read the full peerjs overview →
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Frequently asked questions
Is Screenity or peerjs more popular?
Screenity has 18,703 GitHub stars and peerjs has 13,446. Screenity has the larger community by that measure.
Are Screenity and peerjs free?
Both are open source. Screenity is licensed under GPL-3.0 and peerjs under MIT. Neither carries a licence fee.
What is the difference between Screenity and peerjs?
Screenity is written in JavaScript and peerjs 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 peerjs?
Choose Screenity if you want the larger community (18,703 stars) or its GPL-3.0 licence terms. Choose peerjs if its feature set, stack or MIT licence fits better. Both are self-hostable.