[UPDATE] OBS Studio v23.0

Software https://www.portablefreeware.com/?id=2962&ts=1551141245

Open Broadcaster Software (OBS) Studio is a powerful and flexible Electron-based screen recording and screencasting tool. The program includes recording, broadcasting, and mixing and designs. The”scene” system enables building custom input with numerous audio and video resources (multiple amps, webcam, programs, displays etc.). Accessible filters allow for automatic, live for example colour correction, crop, sharpen, chroma key, music gain and more.

Cross-platform with variations available for Mac and Linux. Instead, PortableApps’ OBS Mobile is also accessible.