Node.js Tools for Visual Studio (NTVS) is an open-source plug-in for Visual Studio which supports developing applications for Node.js written in JavaScript. NTVS supports a broad range of features including editing, IntelliSense, debugging including edit and continue and cross platform debugging, profiling, NPM integration, TypeScript, and an integrated REPL window. NTVS also makes it easy to quickly create web sites and deploy them to Microsoft Azure Web Sites or Cloud Services.