Open source Audio conversion for Windows

fre:ac - free audio converter

fre:ac is a CD ripper, audio encoder and converter for various formats. It can produce MP3, MP4/M4A, Ogg Vorbis, AAC, Bonk and FLAC files. (GPL)

Windows

Panther

Panther encodes audio files from one format to another. It has a simple user interface, and should be very easy to get started with. It can reduce the size of music files. (GPL)

Linux - Windows

2 applications