Transactions of the Complex Systems Society (TOCSS) is the official journal of the Complex Systems Society (CSS).

The journal publishes high-quality, peer-reviewed research on complex systems across disciplines, including biological, social, cognitive, technological, ecological, and socio-technical systems.

TOCSS promotes interdisciplinary and transdisciplinary approaches and welcomes theoretical, computational, empirical, and methodological contributions.

The journal is fully open access and does not charge any fees to authors or readers.