We do not have a download file for the latest version (3.1.4), but you can try downloading it from the developer's site
Download version 1.0 from Mac Informer
Version: 1.0
Date update: May 28, 2016
File name: koofr-a51e6e8-16dfbb3-9338be4-darwin-x86_64.dmg
Size: 46.7 MB