Rivery.io - Rivery is a web-based development platform that is used to manage, create, control, and monitor a large number of data pipelines.
Big Huge Labs Writer - Writer is a free online distraction free writing environment provided by Big Huge Labs.
RapidClipse - RapidClipse is a web-based development platform that allows you to build the app with Java and provides you with a hustle-free configuration.
Caret - Better Markdown Editor for Mac / Windows / Linux
Decision.io - Decision.io is an interesting platform that provides you the simple features to develop the app or an integrated workflow without using any program language or code.
Office Online - With Office Online you can view, edit, and share Word, Excel, PowerPoint, and OneNote files on your devices using a web browser, so you can work anywhere.