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Mermaid (software)
Open-source JavaScript-based diagramming and charting tool From Wikipedia, the free encyclopedia
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Mermaid is an open-source JavaScript-based diagramming and charting tool that generates diagrams from text-based descriptions.[1] Created by Knut Sveidqvist in 2014, the project originated from a need to simplify diagram creation in documentation workflows after experiencing issues with proprietary software file formats.[2][3]
 | This article may rely excessively on sources too closely associated with the subject, potentially preventing the article from being verifiable and neutral. (May 2025) |
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Features
Mermaid allows users to create various types of diagrams using a Markdown-like syntax, including:[4]
- Flowcharts
- Sequence diagrams
- Class diagrams
- State diagrams
- Gantt charts
- Entity–relationship diagrams
The software provides both text-based and visual editing interfaces, allowing users to switch between the two modes.[2] Users can create diagrams through the Mermaid Live Editor, a web-based tool that provides real-time preview capabilities without requiring local installation.[5]
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Integration
Mermaid is supported natively by several platforms and services:[6][7]
Development
As of 2024, the project is developed under both open-source and commercial models. The core functionality remains open-source under the MIT License, while a commercial offering called Mermaid Chart provides additional features and hosted services.[2] The open-source project has garnered significant community engagement, with over 74,000 GitHub stars and 6,800 forks as of early 2025.[1]
In March 2024, the commercial entity raised $7.5 million in seed funding from investors including Open Core Ventures, Sequoia, and Microsoft's M12 fund.[2]
Recognition
The project received the JS Open Source Award in 2019 for "The Most Exciting Use of Technology."[18]
See also
References
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