CiviCRM project is relationship management software for the nongovernmental and nonprofit sectors.
CiviCRM stores information on the universe of people associated with a nonprofit organization and on their interactions (such as emails, donations, petitions, and events).
The technology is designed to be lightweight, extensible, core functionality that can both stand-alone as a simple contact management application and be easily integrated with a broad variety of technologies and applications (such as donation processing, fundraising, advocacy/GOTV, or event management).
Product's homepage
Requirements:
· Apache 1.3
· PHP 4.3.3
· MySQL 4.0, 4.1 or 5.0
· Drupal 4.6.3 or Joomla 1.0.3 / Mambo 4.5.3