Open-source simulation software

1601 open-source libraries, tools and applications tagged simulation, ranked by how closely simulation is their primary purpose, then by adoption and maintenance health. Each entry links to a page with sources, use cases and when to choose or avoid it.

1601 products, primary matches first, then adoption-weighted; health v2 shown.

Product	Health v2	Stars	Maturity
AdamAtomic/flixel Flixel is a free, open-source 2D game library written entirely in ActionScript 3 for making Flash games. It provides base classes for game …	32	1143	abandoned