The Jupyter Notebook is a web application that provides a frontend to many different languages and interactive shells such as IPython. Jupyter Notebook, unlike its predecessor IPython Notebook, supports many different languages and interactive shells in addition to Python and IPython.

CSS module for flexible layouts providing a broad range of options for aligning elements while eliminating the need for floats and tables.

Jest is a JavaScript unit testing framework made by Facebook based on Jasmine and provides automated mock creation and a jsdom environment. It's often used for testing React components.

Socket.IO aims to make real-time apps possible in every browser and mobile device, blurring the differences between the different transport mechanisms. It supports multiple transports, such as WebSockets, Flash sockets, long polling, and more, automatically falling back when a transport fails.

Graphics are visual presentations. Questions using this tag should also be tagged with the appropriate language and graphics subsystem in use. For more general graphics questions, consider Computer Graphics Stack Exchange (computergraphics.stackexchange.com).

Spring Data - JPA is part of the Spring Data umbrella project which makes it easy to implement JPA based repositories

Windows Phone is Microsoft's, now deprecated, mobile operating system and software development platform. Use this tag for questions specific to Version 7.x

SciPy is an open source library of algorithms and mathematical tools for the Python programming language.

USE ONLY FOR THE PYTHON REQUESTS LIBRARY. Requests is a full-featured Python HTTP library with an easy-to-use, logical API.

Parse-Platform provides an open source backend for powering end-user applications. Parse supports a number of different platforms, including iOS (7.0+), OS X (10.9+), Android (API level 9+), Unity 5, and Windows (8+), as well as web applications. SDKs are available for a number of these platforms.

Visual Studio 2015 is the version of Microsoft's Visual Studio product suite which follows 2013 version (also known as "Dev14", includes C++ compiler version 19.0). Use this tag if you have a specific question about Visual Studio 2015 features and functionality, not just a question reading your code.