Gleaned from a wish-list. Basically I think what he was wanting was to have two applications (without overlapping controller names) off the same ApplicationRoot. This is subtily different than literally combining two Rails applications by (carefully) copying the files of one into the directory structure of the other, which can also be done. It is also different than the nacent field of "Rails Modules" (aka. Plug-ins or [[NolansRailsThoughts|Boxcars]]) such as SearchGenerator or LoginGenerator. category: Howto, OpenQuestion Q. Consider combination of R-forum and Instiki (other CMS) at one host. How can this be achieved?