ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
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.
ScreenToGif - This tool allows you to record a selected area of your screen and save as a animated gif.
Standard Notes - A safe place for your notes, thoughts, and life's work
recordit.co - Make a short video capture of your desktop as a gif.
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.