Mimosa is a build tool for Node.js apps. But it’s more than just building. For a very nice introduction, check out the ‘Tour of Mimosa’ slideshow on their homepage. In short, it will do almost anything you need to get from the source of your web app to something that you can deploy to the server: JS transpiling, CSS linting, JS hinting, minification, dependencies, etc. But it also helps while developing, for example by allowing live reload so you see