Ruby Topic Maps is a Topic Maps engine written in Ruby. This is the backend engine which holds all data in ActiveRecord objects. It's available on all ruby platforms but currently does not pass all specs.

Ruby Topic Maps is a Topic Maps engine written in Ruby. This backend engine uses any Java TMAPI 2.0 compatible backend. See http://www.tmapi.org/2.0/. You can provide your own TMAPI 2.0 compatible implementation or use one of the existing ones: * rtm-ontopia * rtm-tinytim * rtm-sesametm