Note: uCommentsy for Umbraco 7 is now available (not default download) : http://our.umbraco.org/FileDownload?id=12504
uCommentsy is a comment and subscription package for Umbraco 6.x MVC. It allows users to add comments to any page on your site. Just define the DocumentTypeAliases in the /config/uCommentsy.config
It's functionality was ported from uBlogsy 2.
View a demo for installing on uBlogsy 3 : http://www.screenr.com/Nxk7
(Note: uBlogsy already has references to the cshtml files.)
Listing for comments on a node
Widget for latest comments
Comment form (with ReCaptcha)
Back-office dashboard for approving comments
Akismet spam filtering
Listing driven by Examine.