ripperX - RipperX is a GTK program to rip CD audio tracks and encode them to the Ogg, MP3, or FLAC formats.
winLAME - winLAME is an encoder for several audio formats, including mp3 (MPEG Layer 3), Ogg Vorbis and more.
Asunder - Asunder is a graphical Audio CD ripper and encoder for Linux. You can use it to save tracks from an Audio CD as any of WAV, MP3, OGG, FLAC, Opus, WavPack, Musepack, AAC, and Monkey's Audio files. Asunder is translatable!
Express Rip - Express Rip CD ripper can convert CD audio to mp3 or wav file formats.
fre:ac - fre:ac is a audio converter and CD extractor designed for Microsoft Windows, Mac OS and Linux, distributed under the GNU General Public License.
morituri - morituri is a CD ripper aiming for accuracy over speed.