http://customelements.io/ http://www.polymer-project.org/ http://www.polymer-pro...

http://customelements.io/ http://www.polymer-project.org/ http://www.polymer-project.org/docs/polymer/databinding.html https://github.com/webcomponents/element-boilerplate

For comparison to Angular, see http://angularjs.org/ Create components section or http://docs.angularjs.org/guide/directive .

Reusable components along with two-way data binding are the most important features of Angular. Web Components does components in a more product neutral, standardized way with a nicer API. Creating custom directives for elements in AngularJS is a pain.