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.
Ringdroid - Create your own ringtone by editing a music track in your library, or record a new one directly...
Song Cutter and Ringtone Maker - Free Online Ringtone Maker
Boilsoft RingTone Converter - Boilsoft Ringtone Converter is a powerful ringtone maker/converter software helps create ringtone and convert video and audio such as wav, m4a, m4r, mp3, ogg, amr to ringtone distinctively.
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.