Front End PM is a Private Messaging system and a secure contact form to your WordPress site.This is full functioning messaging system from front end.
The Private Messages For WordPress allows users of WordPress blog send private messages (PM) to each other, just like in a forum.
WordPress personal user profile. Login form and registration, edit profile, private messages, reviews, rating system, form of publication, and more.
Live Chat and live chat support plugin widget for your wordpress website. (Free and Paid) Add live chat to your website instantly with our easy live
WP Bulletin Board (WPBB) is an easy to use forum for your WordPress site with Facebook and Twitter features.
This plugin installs HelpOnClick's live chat widget on your WordPress website to allow real time chat with your website visitors
This plugin only allows friends and site administrators to send private messages on your BuddyPress site.
Easily add Private Messaging for your users to your WordPress site with Cartpauj PM (Private Messages).
This plugin enables the site admin or users to restrict who can send private messages.
CubePM is a private messaging system that integrates right into the frontend of your site.
Allow members to send private messages only **if** the recipient is following them. Requires the BuddyPress Followers plugin.