Calmly Writer - Distraction-free text editor for Mac, Windows, Linux and ChromeOS.
Hemingway - Hemingway App makes your writing bold and clear.
Writebox - Writebox is a simple and distraction-free text editor for Chrome and iPhone/iPad.
Grammarly - Clear, effective, mistake-free writing everywhere you type.
Stashany - Online notepad for developers
Write App - No-distraction writing tool for your productivity.