I may or may not have posted about this before (I don’t think I did), but anyway: I maintain the Joy Machine — Repo of Things all in one tidy article.
Includes general gamedev assets, scripts (that aren’t even game-specific, just generally useful scripts for Windows/Mac/git/etc.), UE4 assets and code, a World Machine 3/GeoGlyph 2 node graph from an older version of the Steel Hunters Nevada landscape (and output from it, in case someone doesn’t have the software) and… Other stuff.
Free stuff for all.
I wrote an article to cover things in a bit more detail today (link attached to this post), but here’s the GitHub repo in all its either glory-or-not-glory form.