This post regroups information to help me decide which commenting system it might be useful to add to my WordPress site if I chose to take that route:

• Switching Away from Disqus Review – Increased Comments by 304%.

• How to Improve WordPress Comments with De:Comments.

• How to Allow your users to Subscribe to Comments in WordPress.

• How to Notify Users Only On Replies to Their WordPress Comments.

• How to Allow Users to Edit their Comments in WordPress.