LameXP - LameXP is an Audio Encoder Front-End, a graphical user-interface for a number of audio encoders.
morituri - morituri is a CD ripper aiming for accuracy over speed.
FLAC - A free, open source codec for lossless audio compression and decompression
Audiograbber - Audiograbber software is a famous freeware platform for audio extraction or conversion for Microsoft Windows. The software was first developed by Jackie Franck in the mid-1990s. Read more about Audiograbber.
FLAC Frontend - [No longer maintained, but downloadable]
ripperX - RipperX is a GTK program to rip CD audio tracks and encode them to the Ogg, MP3, or FLAC formats.