With PRTG, Paessler AG offers a powerful, affordable and easy-to-use unified monitoring tool. Over 200,000 administrators worldwide use our software, whether it be to monitor their server performance, virtual environments, or even the accessibility of their websites. PRTG is a network analysis solution for Windows. Get started with network monitoring with PRTG. You‘ll save time, worry, and money. PRTG is installed in a matter of minutes. Enjoy 100 free sensors, plenty for small networks. Upgrade whenever you like.