draw.io 是一款由JGraph团队开发的免费在线图表工具，无需安装即可通过浏览器直接使用，支持流程图、UML图、网络拓扑图等多样化图表类型‌。

Draw.io is more than just a mind mapping tool. You can use it to create flowcharts, process diagrams, organizational charts, UML diagrams, network diagrams, wireframes, prototypes, and more.