Active Admin Materialize Theme 
A theme for Active Admin based on Materialize framework.
NOTICE: this is still a beta version
Installation
- Add to the Gemfile:
gem 'activeadmin_materialize_theme'(and executebundle) - In app/assets/stylesheets/active_admin.scss) leave only this import line:
scss @import 'activeadmin_materialize_theme/theme'; - (optionally) Enable Roboto font:
scss @import 'activeadmin_materialize_theme/roboto'; - Add at the end of your Active Admin javascripts (app/assets/javascripts/active_admin.js):
js //= require activeadmin_materialize_theme
Screenshots
Index page (with scopes and filters):

Edit page (with a nested form):

Do you like it? Star it!
If you use this component just star it. A developer is more motivated to improve a project when there is some interest.
Take a look at other Active Admin components that I made if you are curious.
Contributors
Mattia Roccoberton: author
License
The gem is available as open source under the terms of the MIT License.