Camtasia - Camtasia 2018 makes it easy to record your screen and create polished, professional-looking videos.
DroidCam - DroidCam – Use your Android phone as a wireless webcam or an IP Cam!
Snagit - Screen Capture Software for Windows and Mac
Iriun Webcam - Use your phone's camera as a wireless webcam in your PC or Mac.
OBS Studio - Free and open source software for video recording and live streaming for Mac, Windows and Linux.
iVCam - iVCam transforms your Mobile Phone / Pad into a webcam for Windows PC.