head to head · open source
Bluesky vs RedReader
Bluesky has 18,364 GitHub stars, 2,872 forks, 2,400 open issues and last shipped yesterday. RedReader has 2,716 stars, 533 forks, 457 open issues and last shipped 24 days ago. Bluesky leads on adoption by 576% (18,364 vs 2,716 stars). Bluesky is written in TypeScript under MIT; RedReader is written in Java under GPL-3.0. Bluesky has attracted 16% as many forks as stars, RedReader 20%. 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 | RedReader | |
|---|---|---|
| GitHub stars | ★ 18K | ★ 2.7K |
| License | MIT | GPL-3.0 |
| Written in | TypeScript | Java |
| Last push | 2026-11-02 | 2026-10-10 |
| Forks | ⑂ 2.9K | ⑂ 533 |
| 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 RedReader if
- You want the RedReader feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches Java
- You evaluated both and RedReader 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 RedReader
RedReader ========= An unofficial, open source Android client for Reddit. Features Free and open source, with no ads or tracking Lightweight and fast Swipe posts left and right to perform customizable actions, such as upvote/downvote, or save/hide Advanced cache management automatically stores past versions of posts and comments Support for multiple accounts Two column tablet mode (can be used on your phone, if it’s big enough) Image and comment precaching (optional: always, never, or Wi Fi only) Built in image viewer, and GIF/video player Multiple themes, including night mode, and ultra black for AMOLED…
read the full RedReader overview →
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Frequently asked questions
Is Bluesky or RedReader more popular?
Bluesky has 18,364 GitHub stars and RedReader has 2,716. Bluesky has the larger community by that measure.
Are Bluesky and RedReader free?
Both are open source. Bluesky is licensed under MIT and RedReader under GPL-3.0. Neither carries a licence fee.
What is the difference between Bluesky and RedReader?
Bluesky is written in TypeScript and RedReader in Java. 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 RedReader?
Choose Bluesky if you want the larger community (18,364 stars) or its MIT licence terms. Choose RedReader if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.