When someone reply a comment,the person who receive the reply will receive a mail 有人回复评论时，被回复的人会收到一封提醒邮件
Protect bbPress Forums, Topics and Replies using Groups.
User support plugin. Registered users will be able to create/ reply support tickets. Admin can reply on the tickets from admin panel.
Sends an simply email notification to the comment author, when someone replies to his comment.
Display recent comments in your blog sidebar. With it, you can reply everyone from widget sidebar by Ajax type.
This plugin allows you to add Twitter-like @reply links to comments, including a preview of the comment replied to. MASHUP of this: http://www.spreeb
YATCP allows you to have threaded comments (i.e. reply to existing comments) in your wordpress.
Add a Title field to bbPress replies.
Contact Form with the functionality to Send/reply directly from WordPress Admin and stores messages/queries into database.
Allows you to specify a reply template for the quick reply feature in WordPress 2.9+.
When you answer comments, you will konw about that. And that is compatiable with blog related Tattertools like Tistroy and Textcube. And Tistory and T
Automagically link Twitterish "@name:" replies in comments.
Adds a static bar at the bottom of every page of your website. Which displays the latest 20 BuddyPress Activities and rotates threw them.
It’s sent a automatic message to the comment author when his/her comment receive a reply.
Use this top-notch comment system to engage your visitors and boost social presence by letting your visitors share comments on Facebook and Twitter.
This plugin allows your readership to reply to your posts via Twitter and App.net using a beautiful, simple reply tool.
Om contact form, Quick contact to admin. Popup view full page view and in Flat view.
This plugin requires Jetpack 1.3 or up with Contact Form plugin active. This plugin will enable users to reply to feedbacks from the admin panel.
This plugin allows you to add @reply links to comments.
Response Tracker lets bloggers track comments on posts by marking them as todo, replied, or ignored, in the Comments Administration page.
Comment Connection is a WordPress plugin that automatically links comments as authors reply to each other.
Allows your users to reply to articles / blog posts and comments via email.
Send bbPress replies via Mandrill inbound mail
O plugin TwitterBack serve para enviar uma mensagem para os usuários do twitter citados em seus posts informando que ele foi citado com o link para o
Places an additional reply button at the end of the comment thread.