head to head · open source
syncthing vs uppy
syncthing has 90,019 GitHub stars, 5,584 forks, 388 open issues and last shipped yesterday. uppy has 31,058 stars, 2,111 forks, 186 open issues and last shipped yesterday. syncthing leads on adoption by 190% (90,019 vs 31,058 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%. syncthing 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 | ★ 90K | ★ 31K |
| License | MPL-2.0 | MIT |
| Written in | Go | TypeScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 5.6K | ⑂ 2.1K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick syncthing if
- You weight community size — 90K 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][14]][15] Goals Syncthing is a continuous file synchronization program . It synchronizes files between two or more computers. We strive to fulfill the goals below. The goals are listed in order of importance, the most important ones first. This is the summary version of the goal list for more commentary, see the full [Goals document][13]. Syncthing should be: 1. Safe From Data Loss Protecting the user's data is paramount. We take every reasonable precaution to avoid corrupting the user's files. 2. Secure Against Attackers Again, protecting the user's data is paramount. Regardless of our other goals…
read the full syncthing overview →
About uppy
Uppy Uppy is a sleek, modular JavaScript file uploader that integrates seamlessly with any application. It’s fast, has a comprehensible API and lets you worry about more important problems than building a file uploader. Fetch files from local disk, remote URLs, Google Drive, Dropbox, Box, or snap and record selfies with a camera Preview and edit metadata with a nice interface Upload to the final destination, optionally process/encode Read the docs Try Uppy Uppy is being developed by the folks at Transloadit, a versatile API to handle any file in your app. Tests Deploys Example Code used in the above example: Try…
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Frequently asked questions
Is syncthing or uppy more popular?
syncthing has 90,019 GitHub stars and uppy has 31,058. 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 (90,019 stars) or its MPL-2.0 licence terms. Choose uppy if its feature set, stack or MIT licence fits better. Both are self-hostable.