Starlogo TNG: The Next Generation (2009)

Prefer NetLogo https://ccl.northwestern.edu/netlogo/ for modeling

Additional context from Wikipedia:

"StarLogo is an agent-based simulation language...It is an extension of the Logo programming language, a dialect of Lisp. Designed for education, StarLogo can be used by students to model or simulate the behavior of decentralized systems."

https://en.wikipedia.org/wiki/StarLogo

Starlogo Nova is the current version (web-based) https://www.slnova.org