Writebox - Writebox is a simple and distraction-free text editor for Chrome and iPhone/iPad.
Calmly Writer - Distraction-free text editor for Mac, Windows, Linux and ChromeOS.
Crossnote - Crossnote is probably the world's first markdown notes reader & editor Progressive Web Application that works offline and supports syncing with arbitrary git repository right inside your browser.
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.