Syncthing vs Unison
A side-by-side comparison of two self-hosted file sync & storage options
— licensing, setup difficulty, resource needs, and what each one
replaces.
Not the right match-up?
Compare Syncthing with
choose an app… Immich LocalSend MinIO Rclone copyparty Puter PhotoPrism croc Spacedrive Nextcloud File Browser Restic SeaweedFS Cloudreve Ente Photos DeepFace Magic Wormhole Snapdrop gallery-dl Kubo (IPFS) Ceph transfer.sh ProjectSend alt: Vert.sh File converter Seafile Duplicati Filestash Stalwart Kopia Color Thief BorgBackup darktable SFTPGo PairDrop ShareDrop Dufs Thumbor qrcp Nextcloud All-in-One Velero FilePizza OctoPrint ownCloud LibrePhotos CryptPad miniserve FileBrowser Quantum bup Conduit File Sync Backrest Resilio Sync alternative Onionshare wger Photoview closet GoToSocial NoNo upspin imaginary h5ai Tiny File Manager Send Google Photos Takeout Helper OpenCloud WebDAV Server Go Duplicacy Flying Carpet Papra CKAN SparkleShare elFinder Pingvin Share gocryptfs Kinto pgBackRest Syncthing Android Wrapper bitmagnet Nextcloud Desktop Sync slskd Updog Zipline FileGator PicoShare RcloneView Syncthing Tray gohttpserver Gokapi LubeLogger Chibisafe Mazanoke Syncthing-Fork Directory Lister Peergos Palmr Reitti CryFS Pydio Cells Mainsail OpenCloud Files Enclosed git-annex ProjectSend Zenko CloudServer bittorrent-tracker Apaxy PsiTransfer Plik Firefox SyncStorage Nextcloud companion go-filecoin none WebDAV-Aria Syncany Sync-in HortusFox FreeFileSync Garage Linx Slink Sharry rmfakecloud Morphos server Picsur rsync.net alternative Stash NoDuplicate HomeHub Uguu rustypaste XBackBone Zen scanservjs Gossa Threema Web FileRise Pomf Readur Poznote Webtor QuickShare ownCloud Web DumbDrop Wingfit Local Content Share Cryptomator CLI 015 IFM mikochi Open Web Calendar ThinkDashboard Davros goploader Lufi Files Sharing Filebin Kleeja Z-Push PrivyDrop Flare Nephele File Drop Cryptomator Hub hash-calendar ZeroNote Pydio Cells Sync Shifter Passky Client Pydio Cells Client elixire Dropgate Server IPFS Podcasting Digirecord Feber FileRun GoSƐ Jirafeau LibreOffice pacebin Resilio Sync ResourceSpace Samba slcl Surfer Yetishare
Compare Unison with
choose an app… LocalSend MinIO copyparty Puter croc Spacedrive Nextcloud File Browser SeaweedFS Kubo (IPFS) Seafile Filestash SFTPGo Dufs Nextcloud All-in-One ownCloud FileBrowser Quantum Conduit File Sync Resilio Sync alternative Onionshare closet GoToSocial NoNo upspin OpenCloud WebDAV Server Go Papra SparkleShare elFinder
Feature Syncthing Unison Category File Sync & Storage File Sync & Storage License MPL-2.0 GPL-3.0 Language Go OCaml Setup difficulty Easy Medium Min. RAM 128 MB 64 MB Deployment docker, binary, bare-metal bare-metal, binary GitHub stars ★ 87,439 ★ 5,429 First released 2014 1999 Replaces Dropbox, Resilio Sync Dropbox
Why pick each one
Choose Syncthing if… No central server needed Very private by design Lightweight and reliable Syncthing details
Frequently asked questions Is Syncthing or Unison better? Syncthing is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider Unison if its specific feature set fits your needs better.
Are Syncthing and Unison free and open-source? Yes. Syncthing is licensed under MPL-2.0 and Unison under GPL-3.0. Both can be self-hosted at no software cost.
Can I run Syncthing and Unison with Docker? Syncthing: yes. Unison: check the project docs for container support.