Various agent/traffic simulators

some

Simulator Simulation type GitHub repository Last commit Source
Paramics Microscopic UC Irvine ITS
FastTrans Microscopic Thulasidasan and Eidenbenz (2009)
TRANSIMS Microscopic FHWA
AIMSUN Microscopic Aimsun Next documentation
SEMSim / SEM-Sim Microscopic Winter Simulation Conference paper (2015)
IBM Mega Traffic Simulator Microscopic IBM Research
SUMO Microscopic eclipse-sumo/sumo 2026-07-14 SUMO documentation
DYNEMO Mesoscopic Southwest Region University Transportation Center report
Mobiliti Mesoscopic Chan, Kuncheria, and Macfarlane (2023)
POLARIS Mesoscopic POLARIS documentation
BEAM Mesoscopic LBNL-UCB-STI/beam 2026-06-24 Lawrence Berkeley National Laboratory
MATSim Microscopic, agent-based matsim-org/matsim-libs 2026-07-14 Gomes, Ugirumurera, and Li (2020)
Open Traffic Models (OTM) Hybrid: microscopic, mesoscopic, and macroscopic ggomes/otm-sim 2023-09-26 UC Berkeley PATH
OTM-MPI Macroscopic, distributed-memory extension of OTM ggomes/otm-mpi 2021-06-15 Gomes, Ugirumurera, and Li (2020)

Last-commit dates were checked on 2026-07-14 against each repository’s default branch. An em dash means that no official public GitHub repository was found.