alexhal

Sends birthday emails to members on their birthdays .(Based on Buddypress) 
To start with it set the birthday profile field name (case sensitve) in your wp-admin->settings->Birthday mails .

Birthday mails bp

Sends birthday emails to members on their birthdays .(Based on Buddypress)

Jordan Yeffet

Nicholas Moller

Custom Author Profiles simplifies the process of adding custom information to a user or author account. The plugin allows you to quickly add custom fields to a user edit page without complicated configuration. The new fields are automatically included in the user edit page once they are created and are easily inserted into WordPress template files.

Simple Custom Author Profiles

Custom Author Profiles is a simple plugin that allows you to add additional fields to user/author profiles.

Birthday mails bp vs Simple Custom Author Profiles