Freeware:

Exact Audio Copy

Exact Audio Copy is a so called audio grabber for audio CDs using standard CD and DVD-ROM drives. www.exactaudiocopy.de

fre:ac

fre:ac is a free audio converter and CD ripper with support for various popular formats and encoders. It currently converts between MP3, MP4/M4A, WMA, Ogg Vorbis, FLAC, AAC, WAV and Bonk formats. www.freac.org

Freeware with limitations:

VisiTrax

Music organizer for Windows 10 (and XP or later). Designed for professional DJs and casual collectors alike. www.synapsa.com

If you are the author of a gnudb aware application which should be listed here, please send a mail to info@gnudb.org