I am pretty happy with this component registry... https://github.com/component/component/wiki/Components https://github.com/component/component/wiki/Components.

I am pretty happy with this component registry... https://github.com/component/component/wiki/Components https://github.com/component/component/wiki/Components. It also has a build tool written in node.js, http://github.com/component/component http://github.com/component/component and has quite a large community surrounding it now.