Public SyncTool

Public SyncTool: Synchronization for Outlook between notebook and PC.
Sync Assistant

Compares two directories or directory trees and assist with file alignment.

Very easy to use and powerful folder compare, synchronize and backup utility.
Vivaldi for MacOS

the vivaldi browser is hyper-customizable and does not track you.
BackupToZip

BackupToZip is a simple backup program that mainatins a compressed mirror.