Scilab is a free and open source software for numerical computation, data visualization, and algorithm development used by students, engineers, and scientists.

Modeling Languages is a blog and resource site for software and systems modeling, model-driven engineering, and low-code tools.

SysML is a modeling language for systems engineering applications.

Gaphor is a UML, SysML, RAAML, and C4 modeling application for software and systems modeling.

MBSE4U is a publishing platform for Model-Based Systems Engineering, providing books, methods, and knowledge.

SysML Forum is a web community for Systems Modeling Language (SysML) and Model-Based Systems Engineering (MBSE) applications.

MBSE Tool Reviews is a review website for Model-Based Systems Engineering (MBSE) and SysML tools.