The Linux Experiment - Making the Linux desktop accessible: no techno lingo, no command line voodoo, no super technical content.
OneNote - Get the OneNote app for free on your tablet, phone, and computer, so you can capture your ideas and to-do lists in one place wherever you are. Or try OneNote with Office for free.
Level1Linux - The Level1Techs team is very knowledgeable while stilling being sociable as content creators. Wendell in-particular is often the feature figure of the Level1Linux content.
Laverna - Laverna is a JavaScript note taking application with Markdown editor and encryption support.
Egee - Informative and entertaining videos about Open Source Software, Gaming, and other loosely related things.
Todo by Appigo - What sets Todo Cloud apart from your run-of-the-mill to-do and task-list apps is that it is straight-up powerful. It's time to get things done.