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...
An Open Source Web Application Framework and CMS based on an Object Database, which can host multiple websites on a single installation, with easy setup, integrated caching and a "model/view/controller" templating system separating code from layout.