Best Free Whiteboard Tools in 2026

Online collaborative whiteboard for teams.

Open-source virtual whiteboard tool with a hand-drawn aesthetic for sketching diagrams, wireframes, and collaborative brainstorming with real-time collaboration.

Intelligent diagramming platform for creating flowcharts, org charts, network diagrams, UML, and technical diagrams with real-time collaboration and automation.

Collaborative whiteboard by Figma for brainstorming, diagramming, and team workshops with sticky notes, stamps, drawing tools, and integrations with Figma design files.

Visual workspace for thinking and collaboration offering flowcharts, wireframes, mind maps, sticky notes, and docs in a unified tool with AI assistance.

Digital workspace for visual collaboration enabling teams to brainstorm, plan, and solve problems together with facilitation tools, templates, and AI-powered features.

Technical design and documentation tool combining diagrams-as-code, whiteboarding, and docs in one platform purpose-built for engineering teams.

Open-source infinite canvas whiteboard with a minimalist interface, collaborative editing, and an embeddable SDK for building custom canvas experiences.

Digital workspace for visual collaboration with templates for design thinking and agile.

Google's collaborative digital whiteboard for brainstorming and visual collaboration.

Digital workspace for brainstorming, planning, and meeting collaboration.

Visual workspace for flowcharts, wireframes, mind maps, and sticky notes.