OneNote Online - OneNote Online, part of Office Online, is the online version of Microsoft OneNote.
Flashnote - Flashnote is a quick notes manager
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.
Rebel Notes - Rebel aims to provide you a distraction-free note taking experience. Focus more on writing and less on formatting and saving. As you write your note, Rebel will format it based on your markdown syntax.
DEVONthink - DEVONtechnologies develops DEVONthink, DEVONagent, and other Mac and iOS apps for document and information management and web research.
Notepin - Extremely simple note-taking + blogging ✍️