Apps similar to VR include Enterprise Architect. It's paid, but Archi and Reqflow are free. Other options are IBM DOORS Next, Software Ideas Modeler, Ardoq and rmtoo. In total there are eight Project Management Tools like VR for Windows, Linux, the web and Mac.
High performance and scalable visual modeling tool for the planning, design and construction of business architectures, software and systems. With customers based in all industries, Sparx Systems is a leading vendor of innovative modeling solutions.
Australia
Manage requirements efficiently to reduce your development costs and speed time to market.
United States
Lightweight, powerful, easy to use, UML tool
Software Ideas Modeler is a lightweight and powerful CASE tool. It supports UML 2.2 diagrams and a lot of other ones. Software Ideas Modeler is freeware (for non-commercial use). Commercial user may use this software only after buying.
Slovakia
EU
Ardoq helps organizations navigate their digital transformation journey with the most flexible, data-driven, and forward-thinking tool in the Enterprise Architecture industry. Predict, plan, and execute change across the organization.
Get Open Source Requirements Management Tool at SourceForge.net. Fast, secure and free downloads from the largest Open Source applications and software directory
France
Norway
Germany