GrapesJS

GrapesJS is an open-source web builder framework. It provides tools and APIs to build templates and complete web pages with a drag-and-drop interface. It is designed to be embedded in projects and allows developers to customize its behavior with code.

GrapesJS is a web builder framework, offering a drag-and-drop interface for building web pages and templates. It also allows code customization. While it doesn't explicitly mention database integrations or security features like SSO, its core functionality aligns with the drag-and-drop UI builder and code customization aspects of Retool.