https://itch.io/c/1537684/snes-homebrew
https://www.reddit.com/r/snes/comments/j6gguc/what_are_some_...
Most of those are distributed as .smc/sfc files that can be run in emulators like this.
But in 2026, it's probably not worth getting too bothered by the idea of downloading ROMs for a 20+ year old console.