Better Notes - Simple notes app that ties notes together with #hashtags
ClevNote - ClevNote is an amazing mobile application that helps you to write the daily memos on your smartphone.
Milanote - Milanote is a note taking app for creative work.
Notepad by Splend Apps - Notepad by Splend Apps is one of the best mobile apps that enables you to create a to-do list and notes.
Tyke - Mac menu bar app that @torrez really needed to take notes
Keep My Notes - Keep My Notes is a fantastic mobile application that allows you to create notes and organizes your notes in the folder efficiently.