Unison Alternatives for Linux
There are many alternatives to Unison for Linux if you are looking to replace it. The most popular Linux alternative is 
Syncthing, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Unison and 18 are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to Unison are 
FreeFileSync (Free, Open Source), 
rsync (Free, Open Source), 
Resilio Sync (Freemium) and 
IPFS (Free, Open Source).
- Syncthing replaces proprietary sync and cloud services with something open, trustworthy and decentralized. Your data is your data alone and you deserve to choose where it is stored.
- Free • Open Source
- Mac
- Windows
- Linux
- Android
- Android Tablet
- BSD
- Self-Hosted
- F-Droid
- Cloudron
- FreeFileSync is a folder comparison and synchronization software that creates and manages backup copies of all your important files.
- Free • Open Source
- Mac
- Windows
- Linux
- openSUSE
- Linux Mint
- CentOS
- Ubuntu
- Debian
- rsync is a software application for Unix which synchronizes files and directories from one location to another while minimizing data transfer using delta encoding when appropriate.
- Free • Open Source
- Linux
- BSD
- Cygwin
- Haiku
Because rsync is not a bi-directional synchronizer.unison is bidirectional, rsync synchronize in one direction.As mentioned by others rsync is not bi-directional - Resilient, fast and scalable file synchronization for enterprises and individuals.
- Freemium
- Mac
- Windows
- Linux
- Android
- iPhone
- Android Tablet
- BSD
- Windows Phone
- iPad
- Kindle Fire
- IPFS is a global, versioned, peer-to-peer filesystem. It combines good ideas from Git, BitTorrent, Kademlia, SFS, and the web.
- Free • Open Source
- Mac
- Windows
- Linux
- BSD
- Self-Hosted
IPFS is a completely different system. It does not offer synchronization of two sets of files. - Easily compare files and folders on FTP, local and cloud storage with source control integration and 3-way merge support.No screenshots yet
- Paid
- Mac
- Windows
- Linux
tons of features, individual file preview, runs on windows/linux/mac - DirSync Pro is a small, but powerful utility for file and folder synchronization.
Java JRE 1.7 or above is needed to run DirSync Pro.No screenshots yet- Free • Open Source
- Mac
- Windows
- Linux
- Synkron is an application for folder synchronisation and folder-backups that allows you to configure your synchronisations in detail.
Discontinued
Last Update: 2014-10-11, see https://sourceforge.net/projects/synkron/
- Free • Open Source
- Mac
- Windows
- Linux
- PortableApps.com
- Pulse is a free (as in freedom), secure, and distributed file synchronisation engine in Go and Swift.
Discontinued
As announced at https://ind.ie/blog/focus/ , Pulse will no longer be supported, but you can still download it from the official website and use it.
- Free • Open Source
- Mac
- Windows
- Linux
- BSD
- OpenSolaris