Cradle by 3SL is a requirements management and software / systems engineering tool for agile and phase-based projects including MBSE, agile development, document & project management. Cradle supports small or large teams, either co-located or distributed. It can support part or all of your entire systems development process, from initial requirements definition through analysis, architecture and detailed design, to test, deployment, acceptance and commissioning. It provides user-controllable levels of access control, change history tracking, and includes a full configuration management and control system with formal change control, reviews, baselines, version management and user-defined workflows. Cradle can be linked into any number of external tools for specific engineering disciplines. Cradle has user-defined and user-configurable non-web and web UIs. Cradle is available for in-house deployment or as a variety of SaaS solutions. Common uses of Cradle:

Capture and manage requirements, assumptions, justifications… Create models of use cases, functions, classes, data relationships Build system-of-systems, system or subsystem architectures Identify and manage system / subsystem interfaces Allocate functions to subsystems and equipments Define performance, AR&M (Availability, Reliability, Maintainability) and effectiveness Manage System, Product, Work and Cost Breakdown Structures (SBSs, PBSs, WBSs and CBSs) and link to project management data Perform test management at all levels Automate project documentation Create traceability across the entire lifecycle Collect metrics across the entire lifecycle Configuration manage and control the project Track all formal changes and/or individual edits Management information from dashboards, KPIs, burn-down / earned-value charts Integrate with desktop and specialist tools Provide customised web environments to project groups