RequirementONE combines regulatory change monitoring with a collaborative platform for digitising business processes.
Alternatives to DocSheets
Doorstop is a free, open-source tool for managing textual requirements alongside source code in version control.
ReqView is a requirements management tool for hardware, software and systems engineering projects.
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in-STEP BLUE
in-STEP BLUE is process-based project management software for organizations that need to plan and track schedules, effort, costs, staff assignments,…
WebAPISelf-hostedWindows6.6 - 5

CATIA
CATIA is a paid parametric design and engineering tool for creating models and assemblies.
WebWindows6.5From $6,537 a year - 6

Innoslate
Innoslate is a web-based solution for requirements management and model-based systems engineering.
Free planWebAPISelf-hostedWindows6.4Free plan - 7
OSRMT
OSRMT is a free, configurable open-source tool for defining and managing software requirements.
Free planWebLinuxmacOSSelf-hosted6.3Free plan - 8
Requirements Portal
Requirements Portal helps electronics teams connect requirements with designs, verification activities, and test cases in a shared cloud workspace.
Web6.2From $995 a year - 9
Xebrio
Xebrio is a project and product management ecosystem covering work from requirements through releases.
WebAPISelf-hosted6.2From $5 a month - 10
RaQuest
RaQuest is a requirements management tool that operates as an add-in for Enterprise Architect (EA).
Windows6.1$156 one-time - 11
StrictDoc
StrictDoc is open-source software for technical documentation and requirements management.
WebAPILinuxmacOS6.1 - 12
Valispace
Valispace is systems engineering software that connects requirements with designs, systems, verifications, and test cases for traceability.
WebAPISelf-hosted6.1From $999 a year - 13

Accompa
Accompa is hosted requirements management software for capturing, organizing, and following product or project requirements.
WebAPI6.0From $799 a month - 14
Jama Connect Test Management Center
Jama Connect Test Management Center helps engineering and QA teams define, organize, and execute requirements-based test plans and cases.
WebAPISelf-hosted6.0 - 15

Siemens Polarion REQUIREMENTS
Siemens Polarion REQUIREMENTS helps teams gather, write, approve, validate, and manage requirements for complex systems across project lifecycles.
WebAPILinuxSelf-hosted6.0 - 16
Visure Requirements ALM Platform
WebSelf-hostedWindows5.9 - 17
Modern Requirements4DevOps
Modern Requirements4DevOps is a requirements management platform built inside Azure DevOps.
WebWindows5.8 - 18
MathWorks Requirements Toolbox
WebLinuxmacOSWindows5.3 - 19

reqSuite® rm
reqSuite® rm is requirements management software for organizing requirements alongside related items such as test cases, risks and solution concepts.
WebAPISelf-hosted5.3 - 20
Polarion QA
Web5.2 - 21
ProR
LinuxmacOSWindows4.7 - 224.6
