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Doxygen vs Sphinx: catalog facts
Doxygen	Sphinx
Free Free and open source.	Free Free and open source under the BSD 2-Clause licence.
Windows, macOS, Linux, Command line	Windows, macOS, Linux, Command line
Outputs HTML, PDF, RTF and XML Markdown support in code comments	Strong cross-referencing, including across projects Outputs HTML, PDF via LaTeX, ePub and Texinfo
PDF output requires a LaTeX setup Configuration has many options to learn	reStructuredText has a learning curve Requires a Python environment
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: BSD-2-Clause
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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