Excalidraw is a virtual collaborative whiteboard tool that lets you easily sketch diagrams that have a hand-drawn feel to them.
Whimsical — The whiteboard for product builders
Design and document implementation with diagrams. Shape UI with wireframes. Collaborate with your team and AI.
Lexidraw, an Excalidraw fork where your drawings follow you
Lexidraw is an Excalidraw fork where your drawings follow you. Share publicly with the Atmosphere or privately with iroh.
Whimsical & Applet — Whiteboard apps for product builders
The professional whiteboard apps for product builders. Think and plan with Whimsical and build prototypes with Applet.
LM Studio on Twitter / X
Bionic now has a built-in interactive canvas.Create Excalidraw diagrams both you and Bionic can see and edit.Collaborate on mock ups, system design, process maps and ask Bionic to implement them. pic.twitter.com/le1nWezvJm— LM Studio (@lmstudio) September 23, 2026
Open Canvas Working Group | OCWG
Working group for establishing interoperability between different infinite canvas tools.
Malleable Software
Software that gives users extreme agency over the interface, such as JIT interfaces.
GPT-6 and Intelligent UI for everyone
Web Tiles (by paperpilot.dev) — Semble
Introducing Patchwork-26