Thanks for the feedback, it's something we've been discussing about putting on the roadmap. If you have any more thoughts on how this could work, we'd love to hear your thoughts in the issue queue https://github.com/helm/monocular/issues.
Yes! KubeApps.com is a running public instance of Monocular that indexes the official Kubernetes charts repositories (https://github.com/kubernetes/charts).
To find out more about Monocular, here are some blog posts: