High-speed development and maintenance of web applications using pure Java; clear separation of UI design and logical processing; long-term protection of investments in software development, free of charge
A system to develop a SPA on the server; have known only the development with Vaadin until the first test of CaptainCasa. However, I had problems scaling with Vaadin; this system works better. Like the separation of the backend and design development.
Vaadin Framework - Vaadin is a web application framework for Rich Internet Applications (RIA).
JSONFormatter.org - Online JSON Formatter and JSON Validator will format JSON data, and helps to validate, convert JSON to XML, JSON to CSV. Save and Share JSON
OpenXava - OpenXava is a Web Java Framework for Rapid Development of Enterprise Applications.
CodeBeautify - Online Tools like Beautifiers, Editors, Viewers, Minifier, Validators, Converters for Developers: XML, JSON, CSS, JavaScript, Java, C#, MXML, SQL, CSV, Excel
Grails - An Open Source, full stack, web application framework for the JVM
ConvertOnline.IO - Free online tools to convert between various data formats including Javascript, YAML, JSON, HTTP Query String and more. Friendly online tools for URL decoding and encoding