Santa Fe Institute is a research center dedicated to studying complex systems, offering fellowships, publications, and programs in applied complexity and science.

ribbonfarm is a long-running blog by Venkatesh Rao featuring deep dives on complex systems, culture, and thinking, now archiving.

CloseApp is a full-service media solutions company specializing in software development, mobile apps, complex systems, and gamified marketing content in Israel.

SodiusWillert is a software development company providing solutions for complex systems and software development projects.

CESAMES is a French company specializing in MBSE (Model-Based Systems Engineering) and systems architecture, improving operational performance of complex systems.

Model Driven Solutions is a model-based systems engineering and semantic technologies company.