Best Free Alternatives to Diagrams.net in 2026

Ayoa is an AI-powered visual workspace combining mind maps, whiteboards, and task boards for planning and productivity.

Visual planning workspace for creative projects, moodboards, research, briefs, and idea organization on flexible boards.

Kinopio is a spatial note-taking and visual thinking canvas for connecting ideas, research, moodboards, and plans.

AI-powered mind mapping and flowchart tool for turning prompts, files, images, and notes into editable visual diagrams.

AI workspace for tasks, mind maps, notes, agents, automations, and business app-style collaborative workflows.

AI innovation workspace for whiteboarding, diagrams, docs, slides, tables, timelines, and collaborative planning across teams.

Simple browser-based mind mapping tool for brainstorming, note organization, collaboration, and presenting ideas visually.

AI-powered visual collaboration and diagramming platform for flowcharts, mind maps, whiteboards, and planning workflows.

FigJam is Figma's collaborative online whiteboard for brainstorming, workshops, diagrams, and team planning in real time.

Miro AI adds agents, summaries, and automated visual workflows to Miro's collaborative visual workspace for teams.

Open-source collaborative whiteboard for sketching diagrams, wireframes, flowcharts, and notes in a clean hand-drawn style.

Cloud diagramming platform for flowcharts, org charts, technical diagrams, process maps, and team collaboration with automation features.