ILiberty+

A universal GUI tool to jailbreak, activate, as well as unlock firmwares 1.1.4 and earlier, it also has some extra functionalities.

iLiberty was first developed as a personal tool for George Zhu himself, later it integrated iPlus (a CLI utility developed by AViegas) and became a public tool, its name was changed to iLiberty+. Features of iLiberty+ include:

Full range of iPhone hacking, including but not limited to jailbreak, activation, unlocking, 3rd party application installation, etc.  Fully script-driven, allow unlimited external payloads iPod Touch support (jailbreak and application installation) Directly download missing payloads in GUI Proxy support for payloads download Support both Installer and Cydia Automatic online update

iLiberty+ is available on both Windows as well as Mac OS X (named iLibertyX), the main developers are George Zhu, AViegas, francis, and pepijin, with help from many people in the community.