Zabbix - Track, record, alert and visualize performance and availability of IT resources
Chocolatey - The sane way to manage software on Windows.
Paessler PRTG - An advanced network monitoring solution to monitor network up/downtime, traffic and usage.
Scoop - A command-line installer for Windows
Observium - Observium
Ninite - Ninite is the easiest way to install software.