Jailbreak iPhone for Mac
Tutorial To Jailbreak iPhone 3GS using Purplera1n for Mac
Geohot has released purplera1n for OS Mac users only, the purpose of this purplera1n is to jailbreak the iPhone 3.0 OS of the iPhone 3GS. The same purplera1n was previously released for OS windows, and this tool have already been tested for both Mac and Windows and they work like a charm!