Administrate
A Rails engine that helps you put together an admin dashboard
...Administrate is a library for Rails apps that automatically generates admin dashboards. Administrate's admin dashboards give non-technical users clean interfaces that allow them to create, edit, search, and delete records for any model in the application. Administrate solves the same problem as Rails Admin and ActiveAdmin, but aims to provide a better user experience for site admins, and to be easier for developers to customize. To accomplish these goals, Administrate follows a few guiding principles, such as support the simplest use cases, and let the user override defaults with standard tools such as plain Rails controllers and views, and break up the library into core components and plugins, so each component stays small and easy to maintain.