Google Keep - Capture notes, share them with others, and access them from your computer, phone or tablet. Free with a Google account.
Flashnote - Flashnote is a quick notes manager
UpNote - A beautiful and clean cross-platform app for notes organizer
Tot - Convert any text into a Trello task
Standard Notes - A safe place for your notes, thoughts, and life's work
Bundled - Bundled is a beautiful note generation application that allows users to create lists, reminders, and organization services by using instant syncing backup.