Virtual Audio Cable - Ever wanted to record your speaker output? (loopback) This is for you.
UserGuiding - Create in-app experiences with the most straightforward product adoption platform — quick implementation, lasting user engagement.
Loopback by RogueAmoeba - Get all the power of a high-end studio mixing board, right inside your Mac!
Usetiful - Fight user churn with great user onboarding. Interactive product tours and smart tips significantly improve your user retention.
JACK Audio Connection Kit - JACK Audio Connection Kit|Home
Userlane - Digital adoption platform with interactive guidance for software applications allowing anyone to understand and master any software from the get-go.