Option A
Excalidraw
Developer Tools
Virtual whiteboard for sketching hand-drawn diagrams.
Excalidraw is the most beloved hand-drawn-style diagramming tool on the web — open source, collaborative, and used by engineers everywhere.
- Founder
- Christopher Chedeau
- Founded
- 2020
- Team
- 1-10
- Listing
- Free (nofollow)
- Listed
- May 2026