Excalidraw is a virtual collaborative whiteboard tool that lets you easily sketch diagrams that have a hand-drawn feel to them.
![Excalidraw — Collaborative whiteboarding made easy](https://cdn-ak-scissors.b.st-hatena.com/image/square/b7d1250b2474da62f7cccb34fb3cb9c04a5f05af/height=288;version=1;width=512/https%3A%2F%2Fexcalidraw.com%2Fog-image-2.png)
Flowchart Maker and Online Diagram Software draw.io is free online diagram software. You can use it as a flowchart maker, network diagram software, to create UML online, as an ER diagram tool, to design database schema, to build BPMN online, as a circuit diagram maker, and more. draw.io can import .vsdx, Gliffy™ and Lucidchart™ files . Loading... Please ensure JavaScript is enabled.
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