CiviCRM is a constituent relationship management system designed to meet the needs of advocacy, non-profit and non-governmental groups. It is an open source project, licensed under GNU AGPL 3, and coordinated by CiviCRM LLC. The project website is https://civicrm.org/
CiviCRM is released as a module that runs within the Drupal, Joomla, and WordPress content management systems.
The download URLs and installation instructions are available on our website: https://civicrm.org/download
Installation instruction can be found on the wiki: http://wiki.civicrm.org/
Documentation, as well as the project bug tracker and mailing lists, can be found at https://civicrm.org/ Just click on the appropriate link.
Our main documentation site is the CiviCRM wiki: http://wiki.civicrm.org/
Answers for users, administrators & integrators: http://civicrm.stackexchange.com
Paid support available from https://civicrm.org/providers
Developers are highly encouraged to join the CiviCRM forums and post questions and ideas on the Developer Discussion board: http://forum.civicrm.org/index.php/board,20.0.html
Installing the latest developmental code requires some special steps. Full instructions are on the wiki: http://wiki.civicrm.org/confluence/display/CRMDOC/Contributing+to+CiviCRM+using+GitHub
Report all issues to CiviCRM via JIRA: https://issues.civicrm.org