This information is no longer automatically updated. This is merely a copy of the page from the old IPSW Downloads website.
Redsn0w is the iPhone Dev Team's solution for jailbreaking iOS.
"redsn0w is a free iOS jailbreaking tool developed by the iPhone Dev Team, capable of executing jailbreaks on many iOS devices by using low-level boot ROM exploits and additional exploits. It is a desktop application that enables users to jailbreak an iOS device (connected to the desktop computer with a standard USB charging cable) by clicking a series of buttons." -- Wikipedia
The latest version of redsn0w for public iOS releases is 0.9.15b3.
PwnageTool is the iPhone Dev Team's solution for jailbreaking iOS on a Mac.
"PwnageTool is an iPhone jailbreaking application for macOS that creates custom iOS firmware images to user-defined specifications. These firmware images often contain the APT interface Cydia as well as additional APT packages" -- Wikipedia
To see the release information for PwnageTool, visit the iPhone Dev Team's Blog.
Note: Just a Penguin are not responsible for redsn0w or PwnageTool. It is the iPhone Dev Team's work. We take no credit for these tools, and merely provide updates for the newest versions.