Sound Juicer
Sound Juicer is a free and open source program for extracting audio from CDs with a clear interface and simple settings for Linux
Ciano
Ciano is a free and open source simple multimedia converter for Linux
MystiQ
MystiQ is a free and open source powerful audio and video converter, graphical interface for FFmpeg
Curlew
Curlew is a free and open source easy-to-use audio and video converter for Linux
traGtor
traGtor – free and open source audio and video file converter, GUI for FFmpeg
Asunder
Asunder – free and open source graphical audio CD ripper and encoder for Linux
FFaudioConverter
FFaudioConverter – free and open source batch audio converter and effects processor
fre:ac
fre:ac is a free and open source, multi-platform audio converter and CD ripper with an integrated tag editor
Vitomu
Vitomu is a free and open source, easy-to-use converter of YouTube videos to various audio formats
Shutter Encoder
Shutter Encoder is a free and open source video converter, image and audio handles tool