Dominion-randomizer is a project mainly written in JAVASCRIPT and RUBY, it's free.
Dominion randomizer webapp for iPhone.
Dominion deck randomizer written in Sinatra and jQTouch against a CouchDB backend.
There's some seed data about the cards in lib/card.rb, but you'll have to fill in the rest yourself. (Read: buy the game, it's good.)
Everything is off of /dominion/* because I want to serve static stuff directly from Apache, and I already use a virtual host for mobile type stuff; Passenger's RackBaseURI would be set to /dominion.
Required gems:
sinatra json-pure couchrest