X Steps Recorder - A clone of Microsoft's Problem Steps Recorder, but for linux.
Dozuki - Dozuki is a web-based tool for creating and distributing step-by-step documentation.
Folge - The fastest tool for creating step-by-step guides.
ClassVR - VR Training Simulator
Snagit - Screen Capture Software for Windows and Mac
ScreenSteps - IT Training Docs For Your Cloud Implementation. Use ScreenSteps when your company implements new cloud technology and you need training docs