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.
Coastline - Simple minimalist text editor. Create, open, edit and save plain text files.
Flashnote - Flashnote is a quick notes manager
DroidEdit - DroidEdit is a text and code editor for android tablets and phones with the following features:
Task Coach - Task Coach is a simple open source todo manager to keep track of personal tasks and todo lists.
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.