Speechy - Speechy is an app by Twelve Stars Software that comes up with features to help you in reading text in a variety of different formats such as pdf, txt, EPUB, webpages, and many others.
Xed - A text editor forked from Pluma and Gedit. Xed is the default text editor of Linux Mint.
NoteAway - NoteAway is the simplest, most convenient way to take quick notes on OS X.
Caret Editor - Caret Editor is an editing tool for Chrome OS that is used for editing texts or codes.
OnlineNotepad.org - Free browser-based text editor
Icecoder - ICEcoder is a browser code editor which provides a modern approach to building websites.