Jama Connect - The Leader in Requirements Management Solutions
ReqView - Simple and powerful requirements management tool enabling easy requirements gathering, traceability tracking and offline collaboration.
Serena Dimensions RM - Serena Dimensions RM is a web application to improve the definition and management of requirements across the product lifecycle.
Enterprise Tester - Test Management and QA software, offering: full tracability, rich and indepth reporting, integrations with the likes of Atlassian Jira and an extensive API
Accompa - Cloud-based requirements management software tool.
IBM Rational RequisitePro - The list below identifies the supported releases of IBM Rational RequisitePro from which you can select system requirements in different levels and organization of detail.