Archon is an open source backup utility for Windows. It works in the command-line and uses high end compression.

A quick script to backup data on my server. It could be useful for others so I'm making it public

This is a PowerShell module for performing simple backups to S3 with a Lambda function to help prune and monitor them using S3 object expiration and CloudWatch

Retrieves your current OS, or other devices' OS Windows Product keys.