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.
Wallpaper background - Wallpaper background is another free to use mobile personalization application that lets you enjoy more than 10 million high-quality wallpapers, consists of multiple categories such as Nature, Movies, Places, Flavors, and Games etc.
AVCWare Ringtone Maker - AVCWare Free Ringtone Maker makes it easy for you to create MP3/M4R/AMR/WAV ringtones from almost all audio and video files with fade-in & fade-out effect.
CocoPPa - CocoPPa – Icons and Wallpapers is an excellent mobile application that offers more than 1.
Switchr.net - Switchr is a free online audio converter site that lets you convert audio files on the fly.