Free online Mermaid diagram editor with live preview. Create flowcharts, sequence diagrams, class diagrams, ER diagrams, Gantt charts, and more. Support for multiple themes, annotations, and exports.
Online flowchart & diagram editor
Free online Mermaid diagram editor with live preview. Create flowcharts, sequence diagrams, class diagrams, ER diagrams, Gantt charts, and more. Support for multiple themes, annotations, and exports.
Hey everyone! 👋 I am Glenn, the maker of Modern Mermaid. Super excited to finally share this project with you. I built this because I kept jumping between tools to draw a simple diagram — flowcharts here, ER diagrams there, mind maps somewhere else… and none of them felt fast or “developer-friendly” enough. So I made a tool where you can write diagrams like code, preview instantly, and export beautiful visuals with consistent styles. A few things I’m especially proud of: ✏️ Live preview that upd
We’ve now added AI support as well!！
It would be great to integrate your product into some well-known brands. Or develop it into your own full-fledged organizer.
OMG! This is a super awesome library. What a find!! I am bookmarking this. Would have starred and forked but unfortunately, they have have suspended my GitHub account. 😡
Discussion threads divided by interest score. Above 0.30 is strong. Below 0.15 suggests the product got clicks but not conversation.
Categories come from the product's launch tags. Most products appear in 2-3 categories. The primary category is listed first.
The scores reflect launch-period engagement. Historical data is preserved and doesn't change retroactively. The build date at the bottom shows when the index was last refreshed.
Check the similar products section on this page, or browse the category pages linked in the tags above. Each category page shows all products for a given year, sorted by engagement.