If you are looking for specific car packs or track mods, these are the most reputable community hubs:
: A massive community-made update that adds modern graphics features like dynamic lighting, rain, and optimized physics to the base 1.16.4 engine. assetto corsa 1164 mods link
: These are weather and skybox overhauls. Pure is the more advanced, often paid (via Patreon ) successor to the free Sol. Where to Find & Review Mods If you are looking for specific car packs