Jailbreak Software

http://blackra1n.com/ (For 3.1.2)

http://redsn0w.com/ (3.1.2-4.0)

http://www.redmondpie.com/jailbreak-ipod-touch-3.1.2-firmware-with-pwnagetool-3.1.4-oih689/ (see Info)

http://www.redmondpie.com/download-sn0wbreeze-3.1.3-v1.4-to-jailbreak-iphone-3.1.3-firmware/ ( see info

http://spiritjb.com/ (*RECOMENDED BY ME*) (For 3.1.3)