Evernote - Bring your life's work together in one digital workspace. Evernote is the place to collect inspirational ideas, write meaningful words, and move your important projects forward.
Camtasia - Camtasia 2018 makes it easy to record your screen and create polished, professional-looking videos.
Standard Notes - A safe place for your notes, thoughts, and life's work
Snagit - Screen Capture Software for Windows and Mac
Joplin - Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. The notes are searchable, tagged and modified either from the applications directly or from your own text editor.
OBS Studio - Free and open source software for video recording and live streaming for Mac, Windows and Linux.