Excalidraw
What is Excalidraw?
Excalidraw is a virtual whiteboard for sketching hand-drawn like diagrams. It's a collaborative drawing tool that allows you to create diagrams that feel hand-drawn. Excalidraw is perfect for wireframing, brainstorming, creating flowcharts, and collaborative design sessions. It supports real-time collaboration, exports to various formats, and has an intuitive interface that makes digital sketching feel natural.