OBS Studio - Free and open source software for video recording and live streaming for Mac, Windows and Linux.
Guitarix - Guitarix is a simple Linux Rock Guitar Amplifier for https://alternativeto.
Snagit - Screen Capture Software for Windows and Mac
Ampire - State Space Modeled guitar amp/cab/stompbox simulator.
ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
TH-U - World class guitar amps and effects for PC and Mac