Requirements management tool designed to achieve full SDLC traceability for features, requirements, design, implementation and testing. UI for requirements derivation, version control, attributes etc.
Upgrade path also available at https://sourceforge.net/projects/nimble
CubicProject aims to be a project management web application for agile software delvelopment. It is higly adjustable and focuses on usability and integration with other tools.
Genesis is a software engineer integrated tool that provides many ways to manage all artifacts related to a software development process. Includes requirements management functionalities, and a complete environment to execute tests.