title: Formtastic alternative that works well with mongoid
body: <p>Do you know any "semantic" rails gems for form generation which integrates well with the mongoid gem ? By integration I mean, correct automatic association based on the rules in the models (referenced_in, references_many).</p>
  
  <p>I tried simple_form but it seems to fail ...</p>
  
  <p>Cheers</p>