Rails Admin / tool / free
https://github.com/sferik/rails_admin
RailsAdmin is a Rails engine that provides an easy-to-use interface for managing your data
1 favorite submitted over 4 years ago, by viczam
1 Comment

pineapple, over 4 years ago
Demo: http://rails-admin-tb.herokuapp.com/
I've liked this more than active admin lately