Syncovery runs on:
All versions of Windows since Windows 2000 are fully supported. It runs on both 32-bit and 64-bit operating systems. The software itself is mostly 32-bit code, but includes some 64-bit code to enable Volume Shadowing on 64-bit Windows.
Syncovery runs on all Intel Macs, and on all Mac OS X versions since 10.4 “Tiger” up to including the latest version (currently 10.9 “Mavericks”).
To install it, you may need to go to the Mac OS System Preferences, Security & Privacy, and specify that you want to allow apps downloaded from: Anywhere.
An older version 5.73 is also available if you need to run it on older PowerPC Macs. This version also requires at least Mac OS 10.4 “Tiger”.
A version of Super Flexible File Synchronizer is available for Linux. It may or may not run on your Linux distribution. See the Linux download page for more details.