The Brill Framework allows React web applications to be built quickly using a "Low Code" approach.
A Content Management System (CMS) supports editing of pages containing React components. The React components communicate with each other and the Server using a middleware that's based on WebSockets.
With a "No Code" solution, there's always something you require that's not support. You spend ages bending the product to your requirements or pay the supplier to provide the components...
2step is a development framework written in Java for developing complete web applications (including web services). As a servlet framework features access control, logging, I18N, database access, deploy, XML/XSL, etc, and uses Jetty, FOP and jCharts.