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.

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.

Tyke - Mac menu bar app that @torrez really needed to take notes

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.

Thought Train - Stop using sticky notes to remember what you're doing 📒 🚫

KeyNote NF - KeyNote NF is a flexible, multi-featured tabbed notebook, based on Windows standard RichEdit...