Abstract: Presented herein are facilities to assist in quality assurance (QA) testing of systems and equipment. Test data including results related to radiologic or diagnostic imaging performance of radiation therapy or diagnostic imaging equipment is obtained. Analysis of the test data is performed against maintained quality assurance specifications to obtain quality assurance results for the equipment. The obtained quality assurance results are presented to a user. Users may view trends and comparison in QA testing for the equipment and other equipment. Alerts about QA results may be provided and comments on QA results may be maintained. Collaboration between users to share information, test data, advice, and so on is facilitated.