IBM® Rational® DOORS® is a requirements management tool for systems and advanced IT applications. It is a requirements management application for optimizing requirements communication, collaboration and verification throughout your organization and supply chain. This scalable solution can help you meet business goals by managing project scope and cost. Rational DOORS lets you capture, trace, analyze and manage changes to information while maintaining compliance to regulations and standards.
If you are looking for requirements management integrated on a common platform with design, change management, or test management capabilities, take a look at DOORS Next Generation. Rational DOORS Next Generation is included in Rational DOORS, giving existing DOORS users with active support and subscription the benefits of both DOORS and DOORS Next Generation.