ScreenCloud - ScreenCloud is a simple, cloud-based Digital Signage software solution that makes it easy to display video, images and content on screens.
SimpleScreenRecorder - SimpleScreenRecorder is a Linux screen recorder that supports X11 and OpenGL.
Embed Signage - Multi-platform Digital Signage Software that's quick to learn and powerful to use. Packed with features, simple to use and wide range of device platform support. A better way to manage your Digital Signage.
OBS Studio - Free and open source software for video recording and live streaming for Mac, Windows and Linux.
PDComms Tool - Digital Signage
Webcamoid - Webcamoid is a full featured webcam capture application.