If, for instance, you want to use it as a Jira add-on, you will have to pay $2 per month maximum. Just visit the site and start diagramming.ĭ is free unless you want to use it with the Atlassian ecosystem. How It Worksĭ drops you right into a drag-and-drop interface without requiring you to create an account, enter billing information, or even choose where you want to save your diagram. It’s free for just about anyone to use - the only time you’re charged is if you’d like to use it as an add-on for the Atlassian ecosystem of products. 1.ĭ (formerly Draw.io) is a no-fuss, browser-based, open-source database diagramming tool. We went ahead and gathered seven of the top free database diagramming tools here for you to explain how each one works and why they’re free in the first place. And these tools can help you shape your thinking and create a solid foundation for the rest of your data stack, from your database to BI tools like Chartio (that’s us! 👋).

There are many database diagramming tools that are not only incredibly useful but also free. Metaphor courtesy of u/not-ned-flanders on Redditīut figuring out your database architecture doesn’t have to cost you money along with your sanity.

Planning your data architecture can feel chaotic - one Reddit user even compared architecting your dataset to that Pepe Silvia meme from It’s Always Sunny in Philadelphia:

Free erd modeling tools