Docusaurus
Meta Open Source / React team · Documentation tooling
React-based static site generator from Meta for documentation sites with MDX content, versioning, localization and a plugin architecture
MITOpen sourceFreeLocalNov 2, 2026
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5 tools
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draw.io
draw.io AG / JGraph Ltd · Design & prototyping
Free diagramming editor (formerly diagrams.net) for flowcharts, network, UML and architecture diagrams, available as web app, desktop app and integrations
Apache-2.0FreeOpen sourceLocalSelf-hostedNov 2, 2026
Mermaid
Mermaid project (Knut Sveidqvist and contributors) · Design & prototyping
JavaScript library that renders flowcharts, sequence, class, state, ER, Gantt and other diagrams from a Markdown-like text syntax
MITOpen sourceFreeLocalNov 2, 2026
MkDocs
MkDocs project (Tom Christie and contributors) · Documentation tooling
Python static site generator for project documentation that builds a navigable site from Markdown files and a single YAML configuration
BSD-2-ClauseOpen sourceFreeLocalNov 2, 2026
Sphinx
Sphinx team · Documentation tooling
Python documentation generator using reStructuredText or MyST Markdown with cross-referencing, API autodoc and output to HTML, PDF via LaTeX, ePub and man pages
BSD-2-ClauseOpen sourceFreeLocalNov 2, 2026
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