Calmly Writer - Distraction-free text editor for Mac, Windows, Linux and ChromeOS.
Writebox - Writebox is a simple and distraction-free text editor for Chrome and iPhone/iPad.
Stashany - Online notepad for developers
Cold Turkey Writer - Cold Turkey Writer won't let you quit until you finish your work. Like, literally will not quit.
JDarkRoom - A free simple, uncluttered, text editor in Java
SSuite NoteBook Editor - A full featured and very fast portable text editor for people on the go.