WP User Manager is the best solution to manage your users and create front-end profiles for your members.
Simple jQuery plugin to make gmail like text avatars for profile pictures. These avatars can be scaled up to any size as they are SVG based.
Set custom avatars for users with no Gravatar. The avatar will be the first (or any other) letter of the users's name on a colorful background.
BuddyPress plugin to set custom avatars for users with no Gravatar and no profile avatar. The avatar will be the first letter of the users's name
Adds an author box after your post contents, with avatar and social profile links.