Syncthing
Continuous folder sync across devices without a mandatory central cloud.
Why it is included
Excellent engineering, cross-platform maturity, and a long record in real deployments.
Best for
Multi-device sync with strong user control.
If you use Windows, Mac, or paid tools
Sync alternative to Dropbox, iCloud Drive, Resilio (non-FOSS), and OneDrive for direct device sync.
Strengths
- No required cloud vendor
- LAN performance
- Fine control
Limitations
- Not a public link-sharing cloud by default
Good alternatives
Nextcloud
Related tools
File Sync & Storage
Nextcloud
Self-hosted collaboration: files, Talk, Calendar, and a large app ecosystem.
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Seafile
Self-hosted file sync and sharing with libraries, encryption, and online preview.
File Sync & Storage
ownCloud
Self-hosted sync and share platform (Nextcloud lineage sibling).
File Sync & Storage
Maestral
Open-source Dropbox client for macOS and Linux
File Sync & Storage
rquickshare
Rust implementation of NearbyShare/QuickShare from Android for Linux and macOS.
File Sync & Storage
OpenCloud
🌤️ OpenCloud is the open source platform for file management, sharing and collaboration. Simple and sovereign.