Simple plugin that adds a shortcode [get_avatar]. Allows you to use avatars the same way wordpress lets you in templates. Use the same paramaters you would in the template to show the current user or any other users picture.
Ban a user from logging into their wordpress account, suspend posts and send notifications. The perfect solution for managing users and blocking unwanted registrations.
Author Chat is an internal chat that let your authors (users with access to dashboard) to chat with each other. It is easy to use and supports private chat rooms.