This plugin for social engine provides two useful options (wink and greeting) which help in establishing contact between users.

When you click on one of these options the profile owner gets a message what you like his profile and your are interested in communicating with him.

Admin can enable or disable one from these option for any member level. ...more

Reply Rate SE plugin is very useful for understanding how much predisposed some guy or girl to communicate.

Reply rate shows the ratio of incoming messages and answers to them. If the Reply rate is low then user answers rarely, if the Reply rate is high then the probability of response is much higher. ...more