head to head · open source
Bluesky vs sharer.js
Bluesky has 18,364 GitHub stars, 2,872 forks, 2,400 open issues and last shipped yesterday. sharer.js has 2,096 stars, 202 forks, 1 open issues and last shipped 20 days ago. Bluesky leads on adoption by 776% (18,364 vs 2,096 stars). Bluesky is written in TypeScript under MIT; sharer.js is written in JavaScript under MIT. Bluesky has attracted 16% as many forks as stars, sharer.js 10%. Bluesky 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
| Bluesky | sharer.js | |
|---|---|---|
| GitHub stars | ★ 18K | ★ 2.1K |
| License | MIT | MIT |
| Written in | TypeScript | JavaScript |
| Last push | 2026-11-02 | 2026-10-14 |
| Forks | ⑂ 2.9K | ⑂ 202 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Bluesky if
- You weight community size — 18K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick sharer.js if
- You want the sharer.js feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches JavaScript
- You evaluated both and sharer.js fits your workflow better
About Bluesky
Bluesky Social App Welcome friends! This is the codebase for the Bluesky Social app. Get the app itself: Web: bsky.app iOS: App Store Android: Play Store Development Resources This is a React Native application, written in the TypeScript programming language. It builds on the atproto TypeScript packages (like @atproto/api ), which are also open source, but in a different git repository. There is a small amount of Go language source code (in ./bskyweb/ ), for a web service that returns the React Native Web application. The Build Instructions are a good place to get started with the app itself. The Authenticated…
read the full Bluesky overview →
About sharer.js
sharer.js Using Sharer.js on your project? Let me know! Sharer.js is a very tiny JS library to create custom social share components on DOM elements for your website. No dependencies. Documentation Checkout the docs page for more info about installing and usage.
read the full sharer.js overview →
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Frequently asked questions
Is Bluesky or sharer.js more popular?
Bluesky has 18,364 GitHub stars and sharer.js has 2,096. Bluesky has the larger community by that measure.
Are Bluesky and sharer.js free?
Both are open source. Bluesky is licensed under MIT and sharer.js under MIT. Neither carries a licence fee.
What is the difference between Bluesky and sharer.js?
Bluesky is written in TypeScript and sharer.js 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, Bluesky or sharer.js?
Choose Bluesky if you want the larger community (18,364 stars) or its MIT licence terms. Choose sharer.js if its feature set, stack or MIT licence fits better. Both are self-hostable.