head to head · open source
Bluesky vs sharer.js
Bluesky has 18,295 GitHub stars, 2,837 forks, 2,400 open issues and last shipped yesterday. sharer.js has 2,091 stars, 202 forks, 1 open issues and last shipped 2 months ago. Bluesky leads on adoption by 775% (18,295 vs 2,091 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.
← all 8884 open source comparisons
Side by side
| Bluesky | sharer.js | |
|---|---|---|
| GitHub stars | ★ 18K | ★ 2.1K |
| License | MIT | MIT |
| Written in | TypeScript | JavaScript |
| Last push | 2026-09-17 | 2026-07-21 |
| Forks | ⑂ 2.8K | ⑂ 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 is the open source social application codebase for the Bluesky Social app. It lives in the AT Protocol ecosystem, also called atproto, and it is written in TypeScript as a React Native application. The project provides client code for Web, iOS, and Android, and it builds on open source atproto packages such as @atproto/api, which live in a separate repository.
read the full Bluesky overview →
About sharer.js
sharer.js is a JavaScript library for creating custom social share buttons on DOM elements for a website. It lives in the Community & Social / Social Networking ecosystem, and its purpose is to let a site owner add share components without using jQuery. The project is described as very tiny, with no dependencies, and it is released under the MIT license. The repository metadata records 2091 stars, 202 forks, one open issue, an 11 year age, and a last push on 2026 07 21.
read the full sharer.js overview →
More in Community & Social
Related comparisons
More Social Networking projects
Compare either of these against the rest of the Social Networking field.
Frequently asked questions
Is Bluesky or sharer.js more popular?
Bluesky has 18,295 GitHub stars and sharer.js has 2,091. 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 (18,295 stars) or its MIT licence terms. Choose sharer.js if its feature set, stack or MIT licence fits better. Both are self-hostable.