The beloved hand-drawn whiteboard — now smart enough to draw for you.
Excalidraw is the open-source whiteboard with the charming hand-drawn look engineers and founders love for architecture diagrams and brainstorms. In 2026 its AI can generate diagrams from text, turn wireframes into code-ready shapes, and clean up messy boards.
Who it's for: Engineers, founders, and teachers who want fast, expressive diagrams without a heavy design tool.
Describe a system and Excalidraw AI produces a hand-drawn diagram you can edit.
The sketchy render makes diagrams feel approachable and human.
Share a room link and sketch together in real time.
Pull drawings into docs, slides, and code with clean exports.
Excalidraw is the fastest way to make a diagram that people actually want to look at. Free, fun, and now AI-assisted, it earns a permanent spot in any engineer's or founder's toolkit.