head to head · open source
Bluesky vs URS
Bluesky has 18,295 GitHub stars, 2,837 forks, 2,400 open issues and last shipped yesterday. URS has 1,025 stars, 124 forks, 8 open issues and last shipped 2 months ago. Bluesky leads on adoption by 1,685% (18,295 vs 1,025 stars). Bluesky is written in TypeScript under MIT; URS is written in Python under MIT. Bluesky has attracted 16% as many forks as stars, URS 12%. 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 | URS | |
|---|---|---|
| GitHub stars | ★ 18K | ★ 1.0K |
| License | MIT | MIT |
| Written in | TypeScript | Python |
| Last push | 2026-09-17 | 2026-07-11 |
| Forks | ⑂ 2.8K | ⑂ 124 |
| 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 URS if
- You want the URS feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and URS 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 URS
URS (Universal Reddit Scraper) is a free, MIT licensed Python command line tool for scraping, archiving, and livestreaming Reddit, aimed at researchers, data scientists, archivists, and OSINT analysts who need structured local copies of subreddit and redditor activity.
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Frequently asked questions
Is Bluesky or URS more popular?
Bluesky has 18,295 GitHub stars and URS has 1,025. Bluesky has the larger community by that measure.
Are Bluesky and URS free?
Both are open source. Bluesky is licensed under MIT and URS under MIT. Neither carries a licence fee.
What is the difference between Bluesky and URS?
Bluesky is written in TypeScript and URS in Python. 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 URS?
Choose Bluesky if you want the larger community (18,295 stars) or its MIT licence terms. Choose URS if its feature set, stack or MIT licence fits better. Both are self-hostable.