Software Alternatives, Accelerators & Startups

Mermaid

Create diagrams and visualizations using text and code.

Some of the top features or benefits of Mermaid are: Ease of Use, Integration, Automated Diagrams, Cost-effective, and Support for Multiple Diagram Types. You can visit the info page to learn more.

Best Mermaid Alternatives & Competitors in 2025

The best Mermaid alternatives based on verified products, community votes, reviews and other factors.
Filter: 12 Open-Source Alternatives. Latest update:

  1. 17

    PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams.

    Open Source

    /plantuml-alternatives
  2. 14

    Online diagramming application

    Open Source

    /draw-io-alternatives
  3. Flagsmith lets you manage feature flags and remote config across web, mobile and server side applications. Deliver true Continuous Integration. Get builds out faster. Control who has access to new features. We're Open Source.

    Try for free Open Source freemium

    Try for free
  4. Diagramly is an innovative tool that uses artificial intelligence to convert text descriptions or images into editable diagram code.

    /diagramly-ai-alternatives
  5. JavaScript based diagramming tool that renders Markdown-inspired text definitions to create and modify sequence diagrams dynamically.

    /zenuml-alternatives
  6. A smarter way to create diagrams

    /mermaid-chart-alternatives
  7. Excalidraw is a whiteboard tool that lets you easily sketch diagrams that have a hand-drawn feel to them.

    Open Source freemium $7.0 / Monthly

    /excalidraw-alternatives
  8. Graphviz is open source graph visualization software. It has several main graph layout programs.

    /graphviz-alternatives
  9. Simplify and communicate complex information using data-linked diagrams.

    /visio-alternatives
  10. /staruml-alternatives
  11. Interactive system architecture diagrams for cloud, software, platform, and security engineers

    freemium

    /ilograph-alternatives
  12. The C4 model for visualising software architecture. Context, Containers, Components, and Code.

    Open Source

    /c4-model-alternatives
  13. Draw, LibreOffice, ODF, open standards, creative software, vector drawing

    /libreoffice-draw-alternatives
  14. yEd is a free desktop application to quickly create, import, edit, and automatically arrange diagrams. It runs on Windows, Mac OS X, and Unix/Linux.

    /yed-alternatives
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