Alternatives to Doxygen for all platforms with any license

Sphinx

Sphinx is a tool that makes it easy to create intelligent and beautiful documentation, written by Georg Brandl and licensed under the BSD license.

Free Open Source Mac Windows Linux Python
No features added Add a feature

22 Like
swagger.io

Swagger is an open source RESTapi Documentation Tool.

Free Open Source Mac OS X Windows Linux Web Node.JS
REST API Add a feature

18 Like
Daux.io

Daux.io is a documentation generator that uses a simple folder structure and Markdown files to create custom documentation on the fly. It helps you create great looking...

Free Open Source Self-Hosted
MarkDown support Add a feature

10 Like
Slate API Docs Generator

Slate - beautiful static documentation for your API. Features Clean, intuitive design — With Slate, the description of your API is on the left side of your...

Free Open Source Mac OS X Linux Self-Hosted GitHub
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12 Like
Codex

Codex is a simple file-based Markdown documentation platform built on top of Laravel. It's completely customizable and dead simple to use to create beautiful...

Free Open Source Self-Hosted
No features added Add a feature

4 Like
- Discontinued The project seems to be no longer developed. Last version, 2.0.0 beta, released in July 2016, can be still downloaded from GitHub
Sandcastle

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

Free Open Source Windows .NET Framework
No features added Add a feature

5 Like
Presidium

Presidium is a software documentation management system for agile teams, and their users, made from commonly used open source components.

Free Open Source Mac OS X Linux GitHub Pages
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9 Like
ApiGen

ApiGen is the tool for creating professional API documentation from PHP source code, similar to phpDocumentor 2 . ApiGen has support for PHP 5.

Free Open Source Mac OS X Windows Linux
No features added Add a feature

3 Like
phpDocumentor 2

PHP documentation generator based on docblock parsing. phpDocumentor 2, result of the merge between the old phpDocumentor and...

Free Open Source Mac OS X Windows Linux
No features added Add a feature

6 Like
NDoc

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). NDoc...

Free Open Source Windows .NET Framework
No features added Add a feature

4 Like
DocFX

DocFX generates Documentation directly from source code (.NET, RESTful API, JavaScript, Java, etc...) and Markdown files. DocFX runs on Linux, macOS, and Windows. The...

Free Open Source Mac Windows Linux
No features added Add a feature

1 Like
dAPI

It's not, well not compared to the original code it was ported from. The original API viewer is here (also, many thanks to wkeese for writing the dapi exporter for...

Free Open Source Self-Hosted
No features added Add a feature

1 Like
GhostDoc

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

Freemium Windows C++ Microsoft Visual Studio
No features added Add a feature

3 Like
Natural Docs

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. ...

Free Mac OS X Windows Linux BSD Perl
No features added Add a feature

1 Like
CppDoc

CppDoc generates HTML documentation for C++ classes, based on your source code and special comments embedded within it. It can produce output that is very similar to...

Free Open Source Windows Linux
Portable Add a feature

1 Like
- Discontinued Website gone.