You mean like the excellent FreeBSD man pages, eg tar here https://www.freebsd.org/cgi/man.cgi?query=tar&apropos=0&sektion=0&manpath=FreeBSD+10.2-RELEASE&arch=d

You mean like the excellent FreeBSD man pages, eg tar here https://www.freebsd.org/cgi/man.cgi?query=tar&apropos=0&sektion=0&manpath=FreeBSD+10.2-RELEASE&arch=default&format=html https://www.freebsd.org/cgi/man.cgi?query=tar&apropos=0&sekt... (although they are still not at the top)