Project "doxverilog" is not supported more, author's site is not responding. Project http://intelligentdv.com/downloads/index.html#doxygentools works only for SV class hierarchy. AMIQ http://www.dvteclipse.com/ Specador is enterprise overpriced product. What to use?
Natural Docs is being used by the UVM community. https://verificationacademy.com/forums/downloads/naturaldocs-html-documentation-generator