polymer.dart is a Dart port of Polymer created and maintained by the Dart team.
Polymer.dart is a Dart port of the Polymer project.
Polymer.dart is created and maintained by the Dart team, in collaboration with the Polymer team to ensure that Polymer.dart elements and polyfills are fully compatible with Polymer.
More information on Polymer.dart, including installation and links to documentation can be found here: http://pub.dartlang.org/packages/polymer