CiviCRM is a community-based open source project to build constituent relationship management functionality for the nonprofit, advocacy and nongovernmental sectors.
You can use this demo site to try out most of the features of CiviCRM including online donation processing, event management, memberships, case management, reporting and more ...
Just login with...
... and click the CiviCRM link (upper left-hand corner of your screen)
Any data you enter on this demo site is "publicly available" due to the open login. Please do not enter real email addresses or other personal information. The demo database is reset periodically.