No, Yum isn't available or compatible, it's coupled to Red Hat/Fedora/CentOS linux distributions like Apt is coupled to Debian/Ubuntu/Mint distributions.
Homebrew/MacPorts/Fink are nearly the same thing, they just don't come installed by default on OSX.
Homebrew/MacPorts/Fink are nearly the same thing, they just don't come installed by default on OSX.