If you want to do unspeakable things to your iOS device without getting a PC involved, LimeRa1n is now available for the Mac. Favorites for us include: Face\Time over 3G andHotspot.
Here, Geohot developer has now released the same tool for Mac OS X platform. Limera1n for Mac tool is mere 478kb download from http://limera1n.com. Now even Mac users would be able to jailbreak following devices: iPhone 4, iPod touch 4G, iPhone 3GS, iPod touch 3G and iPad.
All these devices must be running iOS 4.0 to iOS 4.1 update. Download limera1n app on Mac OS X. Start it and follow the instructions in the box.