head to head · open source
uppy vs Seafile
uppy has 30,989 GitHub stars, 2,103 forks, 186 open issues and last shipped yesterday. Seafile has 15,257 stars, 1,677 forks, 94 open issues and last shipped 2 days ago. uppy leads on adoption by 103% (30,989 vs 15,257 stars). uppy is written in TypeScript under MIT; Seafile is written in C under a custom or non-standard licence. uppy has attracted 7% as many forks as stars, Seafile 11%. 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
| uppy | Seafile | |
|---|---|---|
| GitHub stars | ★ 31K | ★ 15K |
| License | MIT | Custom / other |
| Written in | TypeScript | C |
| Last push | 2026-09-19 | 2026-09-18 |
| Forks | ⑂ 2.1K | ⑂ 1.7K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick uppy if
- You weight community size — 31K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick Seafile if
- You want the Seafile feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches C
- You evaluated both and Seafile fits your workflow better
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.
About Seafile
Seafile is an open source cloud storage system written in C and positioned as a self hosted alternative to Dropbox and Google Drive. It organizes files into libraries, each of which can be synced separately, encrypted with a user chosen password, and shared between users or groups. The project lives in the self hosted file sync and document management ecosystem, where it combines storage, collaboration, knowledge management, and metadata features.
read the full Seafile overview →
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Frequently asked questions
Is uppy or Seafile more popular?
uppy has 30,989 GitHub stars and Seafile has 15,257. uppy has the larger community by that measure.
Are uppy and Seafile free?
Both are open source. uppy is licensed under MIT, and Seafile has no licence declared in this registry. Both are free to self-host.
What is the difference between uppy and Seafile?
uppy is written in TypeScript and Seafile in C. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, uppy or Seafile?
Choose uppy if you want the larger community (30,989 stars) or its MIT licence terms. Choose Seafile if its feature set, stack or Custom / other licence fits better. Both are self-hostable.