MakeOwnRingtone.com - Make your own ringtone! Follow the steps:
Audiko - Audiko Ringtones is a free to use mobile application that can help you customize your mobile phone by setting the most beautiful images your background and the most popular ringtones as your notification signals.
Ringer - Choose any non-protected file from your iTunes library or any media file on your system and turn it...
Switchr.net - Switchr is a free online audio converter site that lets you convert audio files on the fly.
Song Cutter and Ringtone Maker - Free Online Ringtone Maker
Cool Sounds - Sounds Collection: Animals, Humans, Tools, Ultrasounds, Ringtones and more...