admin_data works with rails3. More information is available here
Live Demo
http://demo.neeraj.name/admin_data
Documentation
http://github.com/neerajdotname/admin_data/wiki
JavaScript Unit tests live result
http://demo.neeraj.name/admin_data/jstest
Source code
http://github.com/neerajdotname/admin_data
Test
Test code currently resides in a different project admin_data_test . Test code should be merged into this project very soon.
License
Dual licensed under the MIT and GPL version 2 licenses.