Email Mentioned is a lightweight customizable -no coding needed- plugin to send an email to each user mentioned in comments.
Mention WordPress content with inline autocomplete inside tinyMCE.
When adding a comment, your users can directly mentioning the author of another comment, like facebook or twitter do,using the "@" symbol.
ViperRep is a reputation management plugin for WordPress. It allows you to track mentions of your brand, your products, or even you name, around the w
Disable the @mentions capability in BuddyPress. Perfect for users who don't understand Twitter!