Wren VMS (video management system) Software is the capstone of Wren Network Video Solutions, allowing you to make the most of your video system, using it to drive improvements in security, risk management and operations. This feature-rich, enterprise-grade software is extremely user friendly and facilitates management of cameras from a PC. Recording, viewing and storage are made easy with this Windows-based software, which is scalable and customizable. VMS supports an unlimited number of cameras and servers so it can grow with your organization.