CONV. - Convert YouTube video to MP3, GIF or MP4
OBS Studio - Free and open source software for video recording and live streaming for Mac, Windows and Linux.
Downie - Video download for OS X. Downie supports at this moment over 1,000 different sites.
Snagit - Screen Capture Software for Windows and Mac
Yout - YouTube to Mp3 Converter
ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...