This is Squeak 3.0 for Macs running MacOS 7.x, 8.x, and 9.x and Macs running MacOS X 10.0 Squeak3.0-3545-MacOS-full.sit.bin - Full Package Squeak3.0.10-MacOS-VM.sit.bin - MacOS 7.x, 8.x, and 9.x VM version 3.0.10 Squeak3.0.2-MacOSX-VM.tar.gz - MacOS X VM for MacOS X 10.0 - cocoa version Squeak3.0.11-Carbon-VM.sit.bin - Carbon VM for MacOS 9.x and MacOSX extraFiles - Random extra files.