BuddyPress.org

If you only want urls you can use profile fields then pull each through to show where you want on the profile.

Once you’ve set up the profile fields in your admin dashboard you can then output like this:

<?php bp_profile_field_data( array('user_id'=>$user_id,'field'=>'twitter' )); ?>

This assumes a profile field called Twitter. You may have to set the $user_id depending on if you are outputting on profile or somewhere else.

Should you want to use different types of fields such as date pickers and so on you can use: https://wordpress.org/extend/plugins/buddypress-xprofile-custom-fields-type/