Sorbet Leopard is modernized Mac OS X 10.5.9 with many optimization patches that make it run faster and in a more secure fashion. One of the many interesting features is its security certificates that match those of macOS 10.13.6.  It also...

First download is System 7.5.5 International Updater for System 7.5 update 2 or System 7.5.3 users on 4 floppy disks. Second download is the same thing except only for US English and it's only 3 floppies which basically correspond to the...

System 7.1 install disk images for 800k disk drives.

Mac os jest dla polaków i to razej ​​najstarszy mac os po polsku  

ten system jest chyba najstarszym systemem Mac OS po polsku

Dischi di installazione del System 6 in lingua Italiana Disponibili: #1 - Dischetti di installazione del System 6.0.7 (rippati dai dischi originali del mio Macintosh IIsi, ma completamente compatibili con qualsiasi Macintosh/emulatore)

Dischi di installazione del System 7 in lingua Italiana Disponibili: #1 - Dischetti di installazione del System 7.0.1 (Completamente compatibili con qualsiasi Macintosh/emulatore) #2 - Dischetti di installazione del System 7.1.2...

System 7.5.1 in KH-Korean on a whopping 32 floppy (1.44MB) disks set and here's the files listing. The first install floppy disk is "009-3403-A,KH,Inst 1 (FD 3.5_ 1.44MB) [Korean].dsk": 009-3351-A,KH,Font-1 (FD 3.5_ 1.44MB)...

These are the System 7.5 install disks in .dsk format 

This is SuSE Linux PowerPC Edition Release 7.1 "Stable" (SU7100.001) You can grab the 6 CD ISO images on archive.org   Release 6.3 "Beta" contains minimal packages (SU6300.001)

Apple Macintosh CD System Software & Other Programs for Mac  Includes system software and other programs. System Software 7.5, CD version 1.1, MPN: 691-0793-A

What is SFOS (SlapFuck OS) : SFOS is a Hybrid MacOS Harmony Fork, for 68K computers and extended support for first-generation Power mac computers. The project was first started in 1995 from the Mac system 7 source code and later on added...