Shapespark enables architects and 3D artists to create real-time architectural visualizations that can be viewed in a standard web browser. Such visualizations may be shared via links or embedded on marketing/sales web pages to attract viewers.

Ideone is a free online IDE and debugging tool which enables users to share and run code online with own input data and it's designed specifically for programmers and developers.

Hyperledger Composer is open-source framework that helps you create blockchain applications and business networks. It enables fast development with JavaScript, APIs and open-source tools instead of working directly with chaincode to render smart contracts and other blockchain components.

Led by Hyperledger open consortium, by Linux Foundation.