Make and share free unlimited iPhone ringtones with Sharetones, by DJ Nitrogen

Sharetones matches music in your Songbird library with "ringtone recipes" made by other Sharetones users, giving you instant access to a huge and growing selection of ringtones to use with your iPhone. Don't see a recipe for one of your songs? Right click on it to make your own and share the recipe with other Songbird users. Sharetones is free and works with all versions of the iPhone.