in-STEP RED® - the tool for project planning based on requirements in software and systems development. The software offers visual requirements analysis and specification (use case modeling, block diagrams, class diagrams, package diagrams, requirement diagrams with UML, SysML etc.) form-based documentation of all requirements (with editable states, priorities and workloads as well as interdependencies between requirements and other system elements). Tasks and project planning are derived from requirements as well as a roadmap for release planning. The software offers resource management, Gantt Chart scheduling, cost and progress control, traceability of all project results, version control, configuration and variant management, a glossary, import and export of MS Excel files and Use Case 2.0 scaling for agile development. Product managers, project managers, product line engineers, business analysts, requirements engineers, system architects and developers and can collaborate with this application via client/server connection or web client.