3+ Free Diagramming Tools
4 of the 5 tools in this category have a free plan. Each offers a free tier beside paid plans.
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Diagramming tools with a free plan
Showing 1 to 4 of 4 tools
Diagrimo
freemiumDiagrimo is an AI diagram generator that turns text into visual diagrams such as flowcharts, mind maps, and infographics in seconds. It helps users quickly visualize ideas for presentations, planning, education, and content creation.
draw.io
freemiumDraw.io is a free, open source diagramming application used by over 100 million users worldwide. It supports professional diagramming with backwards compatibility, real-time collaboration, and native integrations with popular platforms. Users retain full control over data storage with privacy-first design.
Moqups
freemiumMoqups is a browser-based application that enables teams to design wireframes, mockups, diagrams, and interactive prototypes in a single environment. It supports real-time collaboration, cloud access, and integrates with tools like Slack, Google Drive, and Dropbox.
MockFlow
freemiumMockFlow is a visual collaboration tool for wireframing, brainstorming, and UI design that integrates AI to generate wireframes, diagrams, and content. It supports team collaboration with chat, video meetings, and integrations across platforms.
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Frequently asked questions
How many Diagramming tools are there?
Siteefy's live index currently tracks 5 Diagramming tools, with 5 added in 2026. The count updates automatically as tools are published or retired.
Are there free Diagramming tools?
Yes. 4 offer a free plan alongside paid tiers.
How is this Diagramming list ordered?
Boosted listings appear first, then the most reviewed tools, then the most saved and highest rated. Star ratings come from community reviews, and anyone can review a tool or suggest one that is missing.