Ultramon - UltraMon is a piece of software built to help with the management of multiple screens on the same computer system. Without software like this, taking full advantage of an expanded desktop space can be difficult.
TelemetryTV - Powerful and Intuitive Cloud-Based Digital Signage Software That Lets You Easily Manage Content on Screens
DisplayFusion - DisplayFusion will make your multi-monitor life much easier.
Xibo - Digital Signage for Everyone!
Actual Multiple Monitors - Actual Multiple Monitors is a software utility which offers the comprehensive solution to improve the functionality of Windows user interface for comfortable and effective work with multi-monitor configurations.
Visionbox - VisionboxPro is a platform that allows users to deliver their content through their display network with flexibility, which has never been offered by anyone.