What is Excalidraw
Excalidraw is a virtual collaborative whiteboard tool that lets you easily sketch diagrams that have a hand-drawn feel to them.
Clone the repo
Excalidraw is opensource, which can be installed locally by cloning it’s Github repository.
git clone https://github.com/excalidraw/excalidraw.git
Install the dependencies
Start the server
Open url http://localhost:3000