Song Cutter and Ringtone Maker - Free Online Ringtone Maker
Cool Sounds - Sounds Collection: Animals, Humans, Tools, Ultrasounds, Ringtones and more...
MakeOwnRingtone.com - Make your own ringtone! Follow the steps:
Format Factory - Format Factory is software that allows the user to convert media into various file formats. The software is a product of PC Free Time, a Chinese software development company. Read more about Format Factory.
Ringer.org - Ringer.org is a free ringtone maker to make ringtones from any song or audio file.
Switchr.net - Switchr is a free online audio converter site that lets you convert audio files on the fly.