Blackra1n
The BlackRa1n Jailbreaking tool is compatible with both the Mac OS X and Windows operating systems. The BlackRa1n Jailbreaking tool was developed by a controversial hacker who goes by the name of GeoHot. BlackRa1n was one of the first Jailbreaking tools to feature a one click Jailbreaking method, and could Jailbreak the iPhone and iPod Touch.

Supported Devices: iPhone (iPhone 3G, iPhone 3GS) + iPod Touch (iPod Touch 3G)
Supported Firmwares: iOS 3 (iOS 3.1, 3.1.1, 3.1.2)
Download Latest Version: BlackRa1n RC3

Geohot has been judging potential logos, setting up support lines, mounting information campaigns, and now the iPhone’s most famous hacker has released a preview of blackra1n RC3 in the form of a picture.
Official Web Site : www.Blackra1n.com