Software Requirements Specification Resources This website presents a list of resources on software requirements, business analysis and user specifications: Functional and Non-Functional Requirements, Business Analysis,Unified Modeling Language (UML),User Stories http://www.softwarerequirements.org/
Cradle Multi-user, multi-project, multi-lingual rRequirements management and systems engineering environment that supports the entire lifecycle including requirements capture and engineering, analysis and design modelling (including UML), test and risk management and configuration management. http://www.threesl.com