1)   Joy RingTone Converter 2.97
Joy RingTone Converter enables you to create your own ringtones by converting your MP3, WAVE files and CD tracks to the most common Ringtone format, including MMF, AMR, MP3, MIDI, WAV, AAC and MP4.

 2)   EZ Ringtone 1.5.8
EZ Ringtone is a powerful ringtone converter. This software can convert your favorite mp3, wav files and CD tracks(ringtone ripper) to ringtone format, including mmf, amr, mp3, midi, wav, aac, 3gp and mp4 ringtones.