Leawo iPhone Ringtone Maker is described as 'handy iPhone ringtone maker lets you DIY unique iPhone ringtone from many sources. You can drag popular video, audio files and movies in a variety of formats like MP3, WAV, MP4, AVI, etc'. There are more than 10 alternatives to Leawo iPhone Ringtone Maker for a variety of platforms, including Android, Online / Web-based, Mac, Windows and iPhone. The best alternative is Ringdroid, which is both free and Open Source. Other great apps like Leawo iPhone Ringtone Maker are Audiko (Free), Trim & Tone (Free), Switchr.net (Free) and AVCWare Ringtone Maker (Free).
i39 is a lightweight and efficient OS X app that manages to reduce the whole ringtone creating process to a few mere mouse clicks. With i39 you can create many gorgeous unique ringtones from your favorite songs.