Machine.Specifications is a Context/Specification framework geared towards removing language noise and simplifying tests.

DevSpec allows teams to easily collaborate using Wiki-based requirements, specifications, and Agile stories. Whether you adopt a simple Agile process or take full advantage of DevSpec’s powerful workflow engine and expanded data structure .

XStudio is a free 100% graphical test management application that handles the complete life-cycle of your QA/testing projects from A to Z: users, requirements, specifications, SUTs, tests, tesplans, test reports, campaigns and linkages to defects.

MailSizr is a Performance Analysis and Sizing framework for servers hosting Mail Applications conforming to popular Internet Protocol specifications.

SPT offers advanced software test engineering and consulting; automated test case design; detailed test cases with 100 percent functional coverage; and complete integration of requirements, specifications, and tests.

Mirasoft Test Labs offers offshore testing services: elaboration of test specifications, development of test scripts, different types of validation and verification and some review services, etc.

Allied Testing is a USA and UK consultancy targeting high-tech companies and specializing in the Internet area: we analyse the requirements and system design document, review the specifications, prepare test plans, write test scripts, automate and/or...