SoX Wrap is a wrapper for the conversion routines of the open source sound utility SoX (Sound eXchange). It transfers to and from the following formats: 8svx, aiff, al, au, avr, cdr, cvs, dat, gsm, hcom, la, lu, maud, mp3, nul, ogg, prc, raw, sb, sf, sl, sph, smp, snd, sndt, sw, txw, ub, ul, uw, vms, voc, wav, and wve.

SoX Wrap is a free application. It's merely a GUI wrapped around the standard distrubtion; an attempt to make SoX accessible for people unfamiliar with the UNIX environment that it runs in. I encourage anyone who is interested in the application and has some programming skill to visit SoX's SourceForge page (linked above) and participate in the project.