Free iPhone Software

1) WinPwn

WinPwn is a free, easy-to-use Windows jailbreaker for iPhone.
Download Latest Version | Visit Developer Site
2) iBrickr

iBrickr is a free Windows application for modiying your iPhones ringtones, applications and more.
Download Latest Version | Visit Developer Site
3) ZiPhone

iBrickr is a free Windows application for modiying your iPhones ringtones, applications and more.
Download Latest Version | Visit Developer Site
4) QuickPwn

QuickPwn is a free Windowspplication for jailbreaking and unlocking first gen (2G) iPhones.
Download Latest Version | Visit Developer Site

Jailbreaking/Customizing applications have been added. The list will grow as more updates and applications are available so check back often. Visit the page.