Here's some great news for jailbreak lovers! GreenPois0n and Redsn0w jailbreak tools will be open sources for all people for free. This means that you will be able to use the source and customize it on your own or may be improve it to make it better than before while adding some interface and designs to the tool. This was confirmed by both iPhone and Chronic Dev Teams.
MuscleNerd of iPhone Dev Team posted on his Twitter account:
@Chpwn redsnow will be open source soon :)Also p0sixninja of Chornic Dev Team confirmed that GreenPois0n will go open sourced:
p0sixninja: Greenpois0n components will be updated/open sourced as soon as it’s out of beta.In case you don't know, GreenPois0n was released early this month based on Limera1n's exploit. Jailbreak iPhone 4, 3GS, iPad and iPod touch using GreenPois0n.
While Redsn0w is used to jailbreak iPhone 3G and iPod touch 2G on iOS 4.1 and it supports iOS 4.2 beta. Jailbreak iPhone 3GS, and iPod touch 2G using the latest version 0.9.6 of Redsn0w.