Jama - Jama combines requirement management software with enterprise collaboration capabilities to solve product delivery problems.
Serena Dimensions RM - Serena Dimensions RM is a web application to improve the definition and management of requirements across the product lifecycle.
Reqtify - Reqtify is an easy to use, interactive application for managing requirements.
ReqView - Simple and powerful requirements management tool enabling easy requirements gathering, traceability tracking and offline collaboration.
Visure - Visure offers a flexible , modern and complete requirements ALM Platform (Application Lifecycle Management).
Jira - The #1 software development tool used by agile teams. Jira Software is built for every member of your software team to plan, track, and release great software.