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Do you want to understand the foundational theories of complex systems science? Offering a series of foundational courses, methods-focused tutorials, and topical lectures, equips learners to understand and predict the behavior of complex systems through the approaches developed and promoted at SFI.


Are you new to

Enroll in Introduction to Complexity to learn the fundamentals of complexity science.

Do you want to understand the foundational theories of complex systems science?

Explore Computation in Complex SystemsFractals and ScalingGame Theory I & IIIntroduction to Information Theory, and Nonlinear Dynamics.

Do you want to use particular methods to study a complex system? 

Consider Introduction to Agent-Based ModelingMaximum Entropy MethodsRandom WalksVector and Matrix Algebra, and Fundamentals of Machine Learning, among other great offerings.

Are you curious about how complexity applies to a specific system? 

Register for Origins of Life for a complex systems perspective on the emergence of life or the Foundations and Applications of Humanities Analytics course to learn about computational approaches to the humanities.


Complexity Explorer Fast Facts 

‣ Since 2013, has reached over 64,000 users, with almost a quarter from economically developing nations.
‣ All content is available at no- or low-cost, with full scholarship support for those with need.
‣ An engaged community of fellow learners provides a virtual network of complex systems enthusiasts and supports a crowd-sourced translation effort to ensure accessibility for all.
‣ Introduction to Complexity with Melanie Mitchell was the first course offered and over 7,000 students enrolled in the first year. The course continues to enroll thousands of new participants each year.