TestRail’s web-based test case management is used by thousands of great QA and Development teams to efficiently organize, track and manage software testing.
IBM Rational DOORS Next Generation - IBM Rational DOORS Next Generation provides a scalable solution to optimize communication, collaboration and verification of requirements.
PractiTest - PractiTest is a cloud based Innovative test management tool.
Reqtify - Reqtify is an easy to use, interactive application for managing requirements.
TestLink - Test & requirements 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.
Sauce Labs - Test mobile or web apps instantly across 700+ browser/OS/device platform combinations - without infrastructure setup.