mermaid-js/mermaid
Generation of diagrams like flowcharts or sequence diagrams from text in a similar manner as markdown
Open source alternative to Visio
Mermaid is an open source TypeScript project by mermaid-js, created in November 2014. It has 90,788 stars and 9,378 forks on GitHub and is released under the MIT license. Its most recent commit was on Oct 21, 2026, and it has 1,505 open issues. Its GitHub topics include documentation, flowchart, javascript, and typescript.
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