Introduction RStudio Workbench provides a development environment for R, Python, and many other languages. When developing a performant web application you may progress from Shiny towards tools like Plumber. This allows you to continue development of the true application code, modelling, data processing in the language you already know, R, while providing an interface to those processes suitable for embedding in larger web-based applications. As a Shiny developer, one popular front-end library you might already be familiar with is React.