GLPI - GLPI is the Information Resource-Manager with an additional Administration- Interface.
ManageEngine Patch Manager Plus - Patch Manager Plus, an all-round patching solution, offers automated patch deployment for Windows, macOS, and Linux endpoints, plus patching support for 350+ third-party applications You can use it to patch computers within LAN and WAN.
Lansweeper - Lansweeper discovers Windows, Linux and Mac machines in your network.
WHDownloader - A lightweight and easy to use Downloader which allows you to find and apply the latest Microsoft Windows updates....
Spiceworks Help Desk - Help desk software features that work for IT
WSUS Offline Update - Using "WSUS Offline Update" (formerly known as "ct offline update" or "DIY...