For MBSE practitioners, modeling tool builders, and researchers evaluating web‑based engineering tools. The session shows how Sirius Web enables rich diagramming on the web and how SysON brings open SysMLv2 editing to the Eclipse ecosystem, with an emphasis on collaboration, extensibility, and interoperability. Key Takeaways Sirius Web: full‑fidelity web modeling with diagrams, forms, tables, and ...