Escher vs Vaadin: What are the differences?
What is Escher? An Elm-like web framework for Julia. A web server for 2016. Escher's built-in web server allows you to create interactive UIs with very little code. It takes care of messaging between Julia and the browser under-the-hood. It can also hot-load code: you can see your UI evolve as you save your changes to it.
What is Vaadin? Components and tools for building web apps in Java. It is the fastest way to build web applications in Java. It automates the communication between your server and the browser and gives you a high-level component API for all Vaadin components.
Escher and Vaadin can be categorized as "Frameworks (Full Stack)" tools.
Escher is an open source tool with 312 GitHub stars and 63 GitHub forks. Here's a link to Escher's open source repository on GitHub.