Doxygen Alternatives

Doxygen is described as 'Tool for generating documentation from annotated C++ sources, as well as other popular programming languages like C, Objective-C, C#, PHP, Java, Python, IDL (CORBA, Microsoft, and UNO/OpenOffice flavors), Fortran, VHDL, Tcl, and to some extent D' and is a popular documentation generator in the development category. There are more than 25 alternatives to Doxygen for a variety of platforms, including Windows, Linux, Mac, Self-Hosted and Web-based apps. The best Doxygen alternative is MkDocs, which is both free and Open Source. Other great apps like Doxygen are Sphinx, Mintlify, VitePress and Quartz – Static Site Generator.

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Alternatives list

  1.  3 likes

    Simplify your XML Comments! GhostDoc is a Visual Studio extension that automatically generates XML documentation comments for methods and properties based on their type, parameters, name, and other contextual information.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Windows
    • C++
    • Microsoft Visual Studio
     
  2. Sourcey icon
     3 likes

    Sourcey builds modern static documentation sites directly from the source of your project. It turns Markdown guides, OpenAPI specs, MCP server specs, Doxygen XML, Go package docs, changelogs, examples, and other project context into fast, searchable HTML that you own.

    Cost / License

    Platforms

    • Mac
    • Windows
    • Self-Hosted
    • Docker
    • Linux
    • Homebrew
    • JavaScript
    • Typescript
    • npm
     
  3. ApiGen icon
     3 likes

    ApiGen is the tool for creating professional API documentation from PHP source code, similar to phpDocumentor 2 .

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
     
  4.  1 like

    Javadoc is a tool from Sun Microsystems for generating API documentation in HTML format from doc comments in source code.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
     
  5.  5 likes

    NDoc generates class library documentation from .NET assemblies and the XML documentation files generated by the C# compiler (or with an add-on tool for VB.NET).

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Windows
    • .NET Framework
     
  6. Sandcastle icon
     6 likes

    Sandcastle produces accurate, MSDN style, comprehensive documentation by reflecting over the source assemblies and optionally integrating XML Documentation Comments. Sandcastle has the following key features:

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Windows
    • .NET Framework
     
  7. Asciidoclet is a Javadoc Doclet based on Asciidoctor that lets you write Javadoc in the AsciiDoc syntax.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
     
  8. Doxide icon
     1 like

    Doxide is a documentation generator for C++. It is an alternative to Doxygen that aims at a more modern look and feel, with responsive design for desktop and mobile devices.

    Cost / License

    Application type

    Platforms

    • Windows
    • Mac
    • Linux
     
  9. Natural Docs icon
     1 like

    Natural Docs is an open-source documentation generator for multiple programming languages. You document your code in a natural syntax that reads like plain English. Natural Docs then scans your code and builds high-quality HTML documentation from it.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • Perl
     
  10. sharpDox icon
     Like

    sharpDox is a documentation tool to create c# code documentation of any type. The tool creates a model of a given c# solution and passes it to the registered export plugins. The plugins transform the model to a defined output.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Windows
     
  11. Optic icon
     2 likes

    Optic is an open-source tool that automatically documents and tests your API. It makes it easy to keep your API specification and code in sync and automates your contract testing.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Online
    • Self-Hosted
    • Software as a Service (SaaS)
     
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