Back in the late transition days from PPC to Intel Apple had to eventually cut the rope for PPC. When early reports of developer beta builds of Snow Leopard surfaced, Apple neither clarified nor commented on the further PPC support of OS X beyond...

Mac OS 7.5.3 system software (specifically for emulators, multiple languages available)

An OS X disk image named "OS9General.dmg" -- contained on the Software Restore CDs bundled with these systems. It includes "Applications (Mac OS 9)" and "System Folder". Unlike retail Mac OS 9 installers, this software...

The Mac OS Anthology, intended for third-party developers to test their software against different versions of the Macintosh operating system, was first announced by Steve Jobs at the WWDC in May 1999. Due to its archival nature, the various Mac OS...

macOS with enabled compatibility of PPC or Intel software

This is the first BeOS Preview Release 230105 from 1997.  Please note that it requires real compatible hardware to run.    

Original restore disc media that was provided in the box with a new Power Mac G5 computer. Power Mac G5 (Late 2004) - Mac OS X 10.3.5: 691-5202-A (Install Disc 1) - suitable for expanding and burning to DVD. 691-5088-A (Install Disc 2) -...

Mac OS X Tiger Server is a server-focussed release of Tiger with extra tools and applications added to allow it to provide services to Mac clients. This is a universal binary release of Tiger Server so will work with compatible Macs using both...

Ever wanted to install Mac OS X Tiger on an older PPC machine (that you've no doubt upgraded with a new HDD and RAM, possibly even a CPU swap!) but Tiger says that your machine is "unsupported" when you go to install it? Or you're...