head to head · open source
cyberduck vs Sync-in
cyberduck has 4,896 GitHub stars, 385 forks, 506 open issues and last shipped 2 days ago. Sync-in has 1,952 stars, 160 forks, 13 open issues and last shipped 4 days ago. cyberduck leads on adoption by 151% (4,896 vs 1,952 stars). cyberduck is written in Java under GPL-3.0; Sync-in is written in TypeScript under AGPL-3.0. cyberduck has attracted 8% as many forks as stars, Sync-in 8%. cyberduck was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (dropbox), so they are genuine substitutes rather than adjacent tools.
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
| cyberduck | Sync-in | |
|---|---|---|
| GitHub stars | ★ 4.9K | ★ 2.0K |
| License | GPL-3.0 | AGPL-3.0 |
| Written in | Java | TypeScript |
| Last push | 2026-11-03 | 2026-11-01 |
| Forks | ⑂ 385 | ⑂ 160 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick cyberduck if
- You weight community size — 4.9K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches Java
- You value the larger contributor base for long-term maintenance
pick Sync-in if
- You want the Sync-in feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches TypeScript
- You evaluated both and Sync-in fits your workflow better
About cyberduck
Cyberduck This is the development home for Cyberduck, a libre file transfer client for macOS and Windows. Command line interface (CLI) for Linux, macOS and Windows. The core libraries are used in Mountain Duck. Mailing Lists There is a Google Groups Cyberduck discussion mailing list. The following additional mailing lists are hosted: News Announcements of new releases Localization Notifications about changes to the translations needed Source Source code is available licensed under the GNU General Public License Version 3. Pull requests welcome! Localizations Translations to new languages are welcome. We use…
read the full cyberduck overview →
About Sync-in
Website • Documentation • Demo • Docker setup • NPM setup • GitHub Server • GitHub Desktop & CLI Sync in is a self hosted platform for file storage, synchronization, and team collaboration. Run your own workspace for files, documents, shares, and collaborative work without giving up control of your infrastructure or data. Sync in is designed to stay fast, lightweight, and centered on your data, keeping files readable on your filesystem while adding collaboration features only where they are needed. Features 🖥️ Modern web interface with drag and drop, smart clipboard, gallery view, sorting, filtering, and…
read the full Sync-in overview →
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Frequently asked questions
Is cyberduck or Sync-in more popular?
cyberduck has 4,896 GitHub stars and Sync-in has 1,952. cyberduck has the larger community by that measure.
Are cyberduck and Sync-in free?
Both are open source. cyberduck is licensed under GPL-3.0 and Sync-in under AGPL-3.0. Neither carries a licence fee.
What is the difference between cyberduck and Sync-in?
cyberduck is written in Java and Sync-in 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, cyberduck or Sync-in?
Choose cyberduck if you want the larger community (4,896 stars) or its GPL-3.0 licence terms. Choose Sync-in if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.