AngularJS is a JavaScript-based open-source web application framework led by the Angular Team at Google.
Apache is a free and open-source cross-platform web server software.
D3.js is a JavaScript library for producing dynamic, interactive data visualisations in web browsers.
NVD3 is a JavaScript visualisation library that is a free open-source tool.
Ubuntu is a free and open-source operating system on Linux for the enterprise server, desktop, cloud, and IoT.