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WinNUT is a free Windows utility developed by NUT Dot Net that functions as a WinForms-based client for monitoring the status of an Uninterruptible Power Supply (UPS) linked to a Network UPS Tools (NUT) server. Designed primarily for system administrators and home-lab operators who rely on NUT for centralized power management, the application presents a familiar Windows-native interface that surfaces real-time UPS metrics such as battery charge, input voltage, load percentage, and estimated runtime without requiring command-line interaction. By connecting over the local network to any NUT server—whether running on Linux, macOS, or another Windows instance—WinNUT allows users to keep an unobtrusive eye on critical power infrastructure from their desktop, receiving audible or visual alerts whenever the utility detects mains failure, low battery, or other fault conditions. The lightweight program supports simultaneous monitoring of multiple NUT servers through separate instances, making it convenient to track several UPS units distributed across server rooms, offices, or remote branch locations. Since its initial release, two major versions have appeared, with the current 2.2.8719 build refining connection stability, adding tray-icon minimization, and remembering server credentials for faster reconnection after reboots. The software fits squarely within the System Utilities / Hardware Monitoring category and is commonly deployed alongside larger NUT infrastructures that protect NAS devices, virtualization hosts, and network switches. WinNUT is available for free on get.nero.com, where downloads are provided through trusted Windows package sources such as winget, always delivering the latest version and supporting batch installation of multiple applications.
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