Mac Apps for Ringtone
The Ringtone category contains software designed to cut, splice, and edit short audio clips to be used as mobile phone ringtones or notification sounds.

iRingtunes X
Free to try
Xilisoft Ringtone Maker
Free to try

Ringtones
Free to try

4Media iPhone Ringtone Maker
Free to try

Leawo iAm Ringer
Free to try

Ringy Dingy
Free to try

iRingtones
Free to try

Tone-Foo
Free

MediAvatar iPhone Ringtone Maker for Mac
Free to try

MP3 Cutter Joiner
Free
Ringtone Creator and MP3 Cutter
$2.99

AMS Ringtone Maker
Free to try

RingPlus
Free to try