Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
Ghostnote - Add notes to anything.
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.
Somnote - More often than not, note-taking is a pressing, off the cuff movement that requests a quick and productive approach.
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.
Box Notes - Box Notes: take meeting notes, share status updates and plan projects together instantly. Online, across devices.