Actively maintained

This module allows a Drupal user to create Google Content Experiments within a Drupal site.

Clone the Gravatar server to serve avatars using the MD5 hash of the user's email, ensuring the avatar corresponds to the rightful user.

This module adds the necessary script to the footer of ones site for prompting users to chat via Pure Chat

Percentage Scale adds a new imagecache action that allows scaling an image using percentages as input values.

This module provides the possibility to add a field with a list of countries, something which is very usual when building a site with registered users.