Curlew
Curlew is a free and open source easy-to-use audio and video converter for Linux
Glide
Glide is a free and open source, simple and minimalistic media player
traGtor
traGtor – free and open source audio and video file converter, GUI for FFmpeg
FreetuxTV
FreetuxTV – free and open source application for viewing and recording TV channels, listening to radio for Linux
Audacious
Audacious is a free and open source, multi-platform, simple, lightweight and advanced music player
DeaDBeeF
DeaDBeeF is a free and open source, multiple-platform modern, simple and minimalist modular audio player
Nuclear
Nuclear is a free and open source, multi-platform modern music player focused on streaming from free sources
Guayadeque
Guayadeque is a free and open source software for managing large collections of music, listening to music, radio and podcasts
Musique
Musique is a free and open source, multi-platform functional and easy to use music player
Pogo
Pogo is a free and open source, fast and minimalist audio player for Linux