Acronis Cyber Protect Home Office - (Formerly Acronis True Image) Complete protection for your digital life
PuTTY - Popular free terminal application. Mostly used as an SSH client.
Duplicati - Free backup software to store backups online with strong encryption. Works with FTP, SSH, WebDAV, OneDrive, Amazon S3, Google Drive and many others.
MobaXterm - Enhanced terminal for Windows with X11 server, tabbed SSH client, network tools and much more
rsync - rsync is a file transfer program for Unix systems. rsync uses the "rsync algorithm" which provides a very fast method for bringing remote files into sync.
iTerm2 - A terminal emulator for macOS that does amazing things.