So here are the newest additions to Aclock binary family. In order of appearance:
#187 – Motorola MVME m68k – OpenBSD by Plamen

#188 – AT&T Hobbit – BeOS by Bear
#189 – PowerPc BeBox – BeOS 1.1d6 PEF binary by Bear

#190 – Apple II GEOS by Peter Godwin

#191 – Commodore C64/128 GEOS by Peter Godwin

#192 – AT&T UnixPC aka 3B1 / 7300 by Bear

#193 – Power Mac – MachTen by Peter Godwin

#194 – i386 Univel UnixWare 1.0 by Michal Necasek

#195 – HP9000 300 Series M68K – HP-UX 9.x by Bear

#196 – DECstation 5000 – MIPS OSF/1 by mrRadio
Thanks a lot for your contributions!!!!
There are also a few new screenshots from previously available platforms:

AROS on QEMU

SGI Indy with original LCD panel. The case is black because it’s Tandem / NonStop branded machine.

AmigaOS

DG AViiON with Intel running x86 DG-UX
Wait, who found the Hobbit based BeBox? JLG’s garage?
typewritten.org …