Cost / License
- Freemium
- Proprietary
Application type
United KingdomPlatforms
- Online
- Self-Hosted
Mermaid Alternatives
Apps similar to Mermaid include yEd Graph Editor, which is free. Other options are PlantUML, quiver diagram editor, Graphviz and Kroki. There's no shortage of Diagram Editors like Mermaid, with more than 25 alternatives for the web, Windows, Linux, Mac and self-hosting.
Alternatives list
Cost / License
- Free
- Proprietary
Platforms
- Online
W
PhotoDiagram allows you to generate clean SVG diagrams from photos of your drawn diagrams on paper. Easily upload and convert your diagrams.
Cost / License
- Paid
- Proprietary
Application type
Platforms
- Online
Cost / License
- Free
- Open Source (MIT)
Application type
Platforms
- Online
Sweden
EU
Cost / License
- Freemium
- Proprietary
Application typeApplication types
Platforms
- Online
+4
Transforms plain descriptions into editable Mermaid diagrams, mindmaps, and UML models directly in the browser with instant or conversational modes, live code preview, Markdown, OPML, SVG, and PNG exports, clipboard sharing, and multilingual support.
Cost / License
- Free
- Proprietary
Application type
Platforms
- Online
China
+1
I got tired of opening Lucidchart or draw.io every time I needed a quick sequence diagram — fighting with boxes and arrows for something that should take two minutes. SeqDiagram is the alternative: you just write the flow as text, and the diagram appears on the right as you type.
Cost / License
- Free
- Proprietary
Platforms
- Online
WorksCove ERD is a browser-based ERD tool for working with databases that already exist. Paste your SQL DDL and it generates both an entity-relationship diagram and a table specification document, which can be shared with a single link that always reflects the current schema.
Cost / License
- Freemium
- Proprietary
Platforms
- Online
- Software as a Service (SaaS)
South Korea
W
Cost / License
- Free
- Open Source (Apache-2.0)
Application type
Platforms
- Self-Hosted
- JavaScript
- Typescript
- npm
- Mac
- Windows
- Linux
Sirena is a free, open-source editor for Mermaid diagrams. It renders text-based diagrams as you write and lets you edit elements directly on the drawing. You can adjust shapes, colours, layout and typography, and start from built-in examples.
Cost / License
- Free
- Open Source (AGPL-3.0)
Application type
Platforms
- Online
Spain- EU
While coding with AI assist, I noticed bigger projects need something more rigid as context so the AI coder doesn't stray away when I try to add new features. You know, to keeps its memory fresh and not change the stuff that already works.
Cost / License
- Free
- Proprietary
Application typeApplication types
Platforms
- Online
Finland- EU
FlowViz is a free Mermaid diagram editor that runs in your browser. Write Mermaid syntax and see the diagram render as you type, or edit flowcharts directly on the canvas. Change a node's label, shape or colour, and the Mermaid source updates to match.
Cost / License
- Free
- Proprietary
Application typeApplication types
Platforms
- Online
Australia
