node.js and Visual Studio
node.js is a very popular platform which allows having Javacript executed on the server. This is what everybody reads when navigating on the official site:
Node.js® is a platform built on Chrome’s JavaScript runtime for easily building fast, scalable network applications. Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient, perfect for data-intensive real-time applications that run across distributed devices.