Currently there are packages available for Debian squeeze, wheezy and sid supporting both i386 and amd64. A build for armhf and armel is available too for Debian Wheezy (rasbian). The packages can be easily installed by adding the btsync repository and then installing as usual:
Debian And Ubuntu Server Unofficial Packages For Bittorrent Sync
in Sync General Discussion
Posted
Do you plan to update the repository for version 1.1.22?