An open-source online diagramming tool that offers low-code and AI-powered intelligent assistance. It can be used to draw flowchart, architecture diagram, mind map, UML, BPMN, network topology diagram, ER diagram, database model diagram, Venn diagram, fishbone diagram, and more. It supports object modeling, database modeling, code/script generation, and provides a rich library of customizable drawing function components, bringing users a more intimate and easy-to-use design experience.