I found this is an old backup and I’d like to share the information.
For Backward, the Atari ST emulator for the Atari Falcon 030, is a free registration key available.
“Cyrille Dupuydauby, the author of Backward (ST emulator for the Falcon), has
released a free key
username : USER
key : AGABPFAI”
Ancient FTP links, maybe dead: