(2025-03-21, 16:49)Brickboy22 Wrote: How should I credit everyone? Give a link to the copyright license or something else?
Also can I host it on a public GitHub repo (don't want to go through hoops with my free hosting provider).
Your free to host where ever you like.
Since, presumably, this is a web app, attribution should be done by stating the geometry is from the LDraw.org library, a license statement, and a link back to the library. A repo should have a readme.md with the same info.