From Tiera Software:
Optimize software product development, IT projects, and Web site development. Defect Manager has no learning curve. The product has many features including audit trail, problem chaining, problem escalation, custom filters, keyword searching, work queue management, test case management, Microsoft Visual Source Safe support, customizable e-mail alerts, and reporting. The product comes with an MS Access database and supports Oracle, SQL Server, Sybase, and Ingres and Postgres databases. The product provides a customizable tech support portal for your clients, so they can add, review, and annotate their problems. Your clients can also search the knowledgebase for off-hours support.