head to head · open source
syncthing vs uppy
syncthing has 89,310 GitHub stars, 5,518 forks, 388 open issues and last shipped 2 days ago. uppy has 31,021 stars, 2,109 forks, 186 open issues and last shipped 2 days ago. syncthing leads on adoption by 188% (89,310 vs 31,021 stars). syncthing is written in Go under MPL-2.0; uppy is written in TypeScript under MIT. syncthing has attracted 6% as many forks as stars, uppy 7%. uppy 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
| syncthing | uppy | |
|---|---|---|
| GitHub stars | ★ 89K | ★ 31K |
| License | MPL-2.0 | MIT |
| Written in | Go | TypeScript |
| Last push | 2026-10-10 | 2026-10-10 |
| Forks | ⑂ 5.5K | ⑂ 2.1K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick syncthing if
- You weight community size — 89K stars and counting
- You want the MPL-2.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick uppy if
- You want the uppy feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and uppy fits your workflow better
About syncthing
Syncthing is an open source continuous file synchronization program written in Go that keeps files identical across two or more computers, aimed at individual users who want to sync their own data without a third party service.
read the full syncthing overview →
About uppy
Uppy is an MIT licensed, TypeScript built, modular JavaScript file uploader for web browsers that drops into any web application, aimed at developers who would rather wire up plugins than build file uploading from scratch.
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Frequently asked questions
Is syncthing or uppy more popular?
syncthing has 89,310 GitHub stars and uppy has 31,021. syncthing has the larger community by that measure.
Are syncthing and uppy free?
Both are open source. syncthing is licensed under MPL-2.0 and uppy under MIT. Neither carries a licence fee.
What is the difference between syncthing and uppy?
syncthing is written in Go and uppy in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, syncthing or uppy?
Choose syncthing if you want the larger community (89,310 stars) or its MPL-2.0 licence terms. Choose uppy if its feature set, stack or MIT licence fits better. Both are self-hostable.