ActiveScaffold provides a quick and powerful user interfaces for CRUD (create, read, update, delete) operations for Rails applications. It offers additonal features including searching, pagination & layout control. Rails >= 4.0.5 is supported, ruby >= 2.1 supported, although it should work with ruby >= 2.0.0, it's too old and not tested. Ruby < 2.0.0 won't work. 3-4-stable supports rails >= 3.2.x and ruby >= 1.9.3 3-3-stable supports rails >= 3.2.x and ruby >= 1.8 rails-3.2 supports Rails 3.1 & 3.2, and is the current source of the 3.2.x line of gems.