Best Free Alternatives to Diagrams.net in 2026

Online diagramming tool for creating flowcharts and diagrams collaboratively. [AI]

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

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

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

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

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

Collaborative mind mapping platform with AI mind maps, outline mode, presentation mode, and export options for planning and brainstorming.

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

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

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

Simple collaborative mind map and flowchart tool for real-time idea mapping, process diagrams, and fast visual planning.

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