Credits for builds Downloaded.
Switch Builds: Mostly EZFN
iOS:
l.ocalized - Retrieving all builds hosted on Apple's servers.
Crunnie - Most of the original builds
mtbr29 - Manifest files, legendary command. 
Windows: BLK mostly
Xbox: Xader726
OT Builds: Fortchive Discord Server

Those credited aren't responsible for all downloads on the archive, but rather a sizeable part of the category they are listed in.