Syncthing
Syncthing is a free, open-source file sync and transfer app for Windows, macOS and Linux. Open Source Continuous File Synchronization. It has 89,828 GitHub stars and is released under the MPL-2.0 license, and people use it instead of Dropbox and Resilio Sync.
github.com/syncthing/syncthing (opens in a new tab)
Data as of from the GitHub API; description from the project's repository. Report an error
- Official
- Linux
- macOS
- Windows
- BSD
- File sync & transfer
- Active
About Syncthing
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].
Replaces
Commercial software people commonly use Syncthing instead of.
- Dropbox
- Resilio Sync
Similar apps
More open-source file sync and transfer apps
LocalSend
localsend/localsend
An open-source cross-platform alternative to AirDrop.
Active · last commit Oct 25, 2026
OfficialFile sync & transferWindowsmacOSLinuxRclone
rclone/rclone
"rsync for cloud storage" - Google Drive, S3, Dropbox, Backblaze B2, One Drive, Swift, Hubic, Wasabi, Google Cloud Storage, Azure Blob, Azure Files, Yandex Files.
Active · last commit Oct 27, 2026
File sync & transferWindowsmacOSLinuxElio
elio-fm/elio
Snappy, batteries-included terminal file manager.
Active · last commit Oct 25, 2026
File sync & transferWindowsmacOSLinuxYazi
sxyazi/yazi
Blazing fast terminal file manager written in Rust, based on async I/O.
Active · last commit Oct 23, 2026
File sync & transferWindowsmacOSLinuxPikatorrent
G-Ray/pikatorrent
Pick a Torrent, stream and download on all your devices.
Maintained · last commit Aug 21, 2026
File sync & transferWindowsmacOSLinuxqBittorrent
qbittorrent/qBittorrent
qBittorrent is a [BitTorrent] client programmed in C++ / Qt that uses [libtorrent] (sometimes called libtorrent-rasterbar) by Arvid Norberg.
Active · last commit Oct 26, 2026
OfficialFile sync & transferWindowsmacOSLinux
Is Syncthing free and open source?
Yes. Syncthing's source code is public on GitHub under the MPL-2.0 license, which is OSI-approved or FSF-free, so you can use, copy and change it for free.
How do I install Syncthing?
Download the installer for Windows, macOS and Linux from its GitHub Releases page (latest: v2.1.7) or the project website.
Can Syncthing replace Dropbox?
Syncthing is commonly used as a free alternative to Dropbox and Resilio Sync. Features differ, so check that it opens the file formats and covers the workflows you rely on before switching.