Name directory (glossary) with lots of options. Very easy to add to your site with a simple shortcode. It can have multiple directories.
Register shortcode [sk-nnd-name-days] to display current day of the weeek, day and name day.
The Name Redactor offer increased control over personal data by redacting personal names from the content if the visitor is a search engine robot.
BuddyPress Real Names allows you to change the regular nickname displayed for a user to anything you want.