arRsync is described as 'Mac OS X frontend for the utility rsync . It is intended to provide a simple interface to a powerful backup and synchronisation tool. It is quite limited but it can already performed basic backups' and is a File Sync tool in the backup & sync category. There are six alternatives to arRsync for a variety of platforms, including Mac, Windows, Linux, BSD and Cygwin apps. The best arRsync alternative is rsync, which is both free and Open Source. Other great apps like arRsync are RsyncOSX, Truck - Rsync Client, MirrorFolder and lsyncd.