greenpois0n - Greenpois0n performs an untethered jailbreak for iOS 4.
Wondershare MobileTrans - Wondershare MobileTrans is a 1-Click Phone to Phone Transfer for you to move data between devices with different operating systems. Your must-have phone Transfer.
3uTools - 3uTools is a most efficient iOS file and data management tool for Apple users.
Titanium Backup - Titanium Backup is a very old backup app that has been around since the early days of Android. In fact, it's one of the few apps that covers all versions from 1. Read more about Titanium Backup.
Blackra1n - (This is an OUTDATED jailbreaking method.)
ApowerTrans - Transfer data from a phone to another phone.