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FlowDiagram
Free diagrams your AI can draw. The link is the diagram.
Architecture diagrams, data pipelines and ER models in one free, no-sign-up editor. Share links carry the whole diagram, so nothing is uploaded. Give your AI assistant one skill file and it draws for you. 1,160 vendor logos, SQL round-trip, works offline.
Hi Product Hunt! I'm Tuna, a data architect from India, and I built FlowDiagram because architecture diagrams kept dying as PNGs in wikis.
A few things that make it different:
- The share link IS the diagram. It's compressed into the URL after the #, so nothing is uploaded and the reader needs no account.
- Your AI can draw it without an API key: give Claude Code, Cursor, Copilot or Codex the skill file at flowdiagram.net/flowdiagram.md and describe your system in plain English.
- 1,160 vendor logos built in, including every AWS, Azure and GCP service icon.
- Real ER modelling that round-trips SQL DDL, DBML and Mermaid, with a live Snowflake import.
- Animated data flow, click-to-trace downstream impact, and a present mode on the live canvas.
The honest trade-off: no real-time co-editing, since there's no backend. You share links or keep the .flow.json in Git.
It's completely free. What's the first system you'd diagram with it? I'd love your feedback.
About FlowDiagram on Product Hunt
“Free diagrams your AI can draw. The link is the diagram.”
FlowDiagram was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #239 on the daily leaderboard. Architecture diagrams, data pipelines and ER models in one free, no-sign-up editor. Share links carry the whole diagram, so nothing is uploaded. Give your AI assistant one skill file and it draws for you. 1,160 vendor logos, SQL round-trip, works offline.
On the analytics side, FlowDiagram competes within Productivity, Developer Tools and Artificial Intelligence — topics that collectively have 1.7M followers on Product Hunt. The dashboard above tracks how FlowDiagram performed against the three products that launched closest to it on the same day.
Who hunted FlowDiagram?
FlowDiagram was hunted by tuna pradhan. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of FlowDiagram including community comment highlights and product details, visit the product overview.
tuna pradhan