FreeFoam is a fork of OpenFoam. The old OpenFoam in ports was discontinued long time ago. FreeFoam is much easier to port than OpenFoam. Anyone interested in porting FreeFoam?
http://freefoam.sourceforge.net/index.html
http://freefoam.sourceforge.net/doc/INSTALL.html
http://freefoam.sourceforge.net/index.html
http://freefoam.sourceforge.net/doc/INSTALL.html