Open Source Requirements Management Tool is designed to achieve full SDLC traceability for features, requirements, design, implementation, and testing. It has a UI for requirements derivation, version control, and common or custom attributes (rationale, source, risk, effort, etc.). It is suitable for product managers, developers, and analysts to collaborate with flexibility and scalability.
This Open Source Requirements Management Tool is written in Java.
Website: http://osrmt.sourceforge.net/