Advanced security tool for Windows which allows you to completely remove sensitive data from your hard drive

ClamWin Antivirus It comes with an easy installer and open source

Syncthing is a continuous file synchronization program

V 3.4.4
Capture and analyze packets from any network

V 5.13.0
calibre is a powerful and easy to use e-book manager

V 10.0.3
A feature-packed, fast, secure, stable, and highly customizable web browser