Open source tool that provides methodological guidance, intuitive model editing, and viewing capabilities for Systems, Software and Hardware Architects.
United States
Astah SysML is a lightweight yet powerful SysML modeling tool supporting all key SysML diagram types plus mind-mapping. It offers diagram assist tools, model compare & merge, Excel and XMI/Cameo interoperability, scripting/API extensibility.
Japan
A lightweight Visual Studio Code extension for SysMLv2 textual modeling. Offers syntax highlighting, real-time validation, go-to-definition, outline view, and optional automatic diagram generation.
Japan
Astah System Safety is a dedicated MBSE tool for safety-critical systems. It supports SysML, STAMP/STPA, GSN/D-Case, ASAM SCDL, feature modeling, and standards like ISO?26262 and SOTIF. It enables architecture modeling, hazard/risk analysis, assurance cases, and traceable compliance.
Japan
