head to head · open source
Bluesky vs haven
Bluesky has 18,295 GitHub stars, 2,837 forks, 2,400 open issues and last shipped yesterday. haven has 803 stars, 48 forks, 18 open issues and last shipped yesterday. Bluesky leads on adoption by 2,178% (18,295 vs 803 stars). Bluesky is written in TypeScript under MIT; haven is written in Ruby under MIT. Bluesky has attracted 16% as many forks as stars, haven 6%. haven 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 | haven | |
|---|---|---|
| GitHub stars | ★ 18K | ★ 803 |
| License | MIT | MIT |
| Written in | TypeScript | Ruby |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 2.8K | ⑂ 48 |
| 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 haven if
- You want the haven feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Ruby
- You evaluated both and haven 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 haven
Haven is a self hostable, MIT licensed private blogging application built with Ruby on Rails, made for people who want to write for a known circle of friends and family rather than publish to the open web.
read the full haven overview →
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Frequently asked questions
Is Bluesky or haven more popular?
Bluesky has 18,295 GitHub stars and haven has 803. Bluesky has the larger community by that measure.
Are Bluesky and haven free?
Both are open source. Bluesky is licensed under MIT and haven under MIT. Neither carries a licence fee.
What is the difference between Bluesky and haven?
Bluesky is written in TypeScript and haven in Ruby. 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 haven?
Choose Bluesky if you want the larger community (18,295 stars) or its MIT licence terms. Choose haven if its feature set, stack or MIT licence fits better. Both are self-hostable.