tosend.it

AEIOU is a powerfull plugin that export all WordPress users info into an XML file including user settings and options 
and allow you to import the same data file into a new WordPress keeping all user informations about the users including 
the Buddypress XProfile data of each user.
<h4>Dependencies</h4>
AEIOU requires SimpleXML PHP library to import data. 
Nothing more than wordpress is required for the export.

AEIOU

Make a full user backup, restore wherever you want!

pixelgrade

George Olaru

Andrei Lupu

With <a href="https://github.com/pixelgrade/pixfields" rel="nofollow ugc">PixFields</a> you can have a custom fields visual manager.
Note: this plugin does not add any style to the output of custom fields. Its just adding metadata and offers a way to overwrite the html from the theme. 
The theme should style the output of the metadata.

PixFields

PixFields offers you a nice interface to add custom metadata into your favorite post type.

AEIOU vs PixFields