Chocolatey - The sane way to manage software on Windows.
Nmap - Nmap Free Security Scanner, Port Scanner, & Network Exploration Tool. Download open source software for Linux, Windows, UNIX, FreeBSD, etc.
WAPT Community - Deploy your software and configurations, perform an inventory of your machines in real time, control Windows Updates and benefit from customized reporting of your IT assets
SolarWinds Network Configuration Manager - SolarWinds is a leading provider of powerful and affordable IT infrastructure management software. Make IT look easy.
Just Install - just-install - The stupid package installer for Windows.
Cisco Network Assistant - Cisco Network Assistant simplifies wired and wireless network management, and provides critical product information using Cisco Active Advisor.