Apache OpenOffice - Apache OpenOffice is an open source, office document productivity suite.
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.
Codeless Platforms - Codeless Platforms is a web-based platform that allows you to develop various applications and business processes without any coding and programming.
Caret - Better Markdown Editor for Mac / Windows / Linux
Rivery.io - Rivery is a web-based development platform that is used to manage, create, control, and monitor a large number of data pipelines.