iPhone Explorer - Free iPhone browser for Mac and Windows

iPhone Explorer is an iPhone browser for Mac/Windows that lets you browse the files and folders on your iPhone as if it were a normal USB flash drive or pen drive. You can use the very easy drag-and-drop methods to add or remove files and folders from the iPhone. Compatible with all iPhones and iPod Touches including the new 3GS and 3.0 firmware. Works with or without jailbreaking.

iPhone Explorer Features
+ 100% Free iPhone browser for Mac and Windows
+ 100% Drag-and-drop interface for easily copying files to and from your iPhone
+ Create, delete and rename files and folders on your iPhone or iPod Touch
+ Works with all iPhones and iPod Touches including the iPhone 3G and iPod Touch 2G
+ Allows you to use your iPhone as a flash drive / pen drive or put your iPhone into disk mode
+ Tiny download size
+ (Optional) If you jailbreak your iPhone you can access the real root of your iPhone and recover your address book, SMS, e-mails and more.

You can download iPhone Explorer for free on the official website.