DeskCamera turns a Windows PC into an ONVIF IP Camera - YouTube
ITVDesk ONVIF IP Camera 5.1 released - ITVDesk - Software solution for computer surveillance. ITVDesk transforms any computer into ONVIF IP camera, streaming computer screen, webcam and other media into your video surveillance system.
GitHub - ozekiltd/Onvif-IP-Camera-Viewer: This is a fully-functional camera software written in C#.NET that can be used to control your whole IP surveillance / monitoring system by providing such useful USB webcam and
Free ONVIF software for IP cameras
ONVIF Device Manager Review and Download (Test IP Cameras) - Learn CCTV.com