GMusicBrowser

Audio & Music
Giada - Your Hardcore Loop Machine
Giada is an open source, minimalistic and hardcore music production tool. Designed for DJs, live performers and electronic musicians.
Cider
Cider - A open source Apple Music client designed from the ground up for speed and efficiency.
Learn Electronic Music Production
Learn Ableton for Free. Curated tutorials, right on your favorite DAW.
SoX - Sound eXchange
Music - GNOME
VVAVE Music Player
Qt-based Multimedia Player
Exaile · Music Player for GTK+
Nuclear Music Player
Homepage of the Nuclear music player
Librosa
Librosa : audio and music processing in Python
beets: music media organizer
Madeon's Adventure Machine
Play around with Madeon's Adventure Machine and make your own mix using the samples he's used in his debut album Adventure
ToneMatrix Redux Sequencer
A pentatonic step sequencer. Click tiles and make music.
ArtBeats
A simple sequencer where you can create visual patterns and listen to them, with the ability to change the instrumentation, tempo, swing, and more.
gPodder
Poddr - Podcasts for desktop
Poddr is a free podcast player for Windows, Mac and Linux.
Amarok KDE
Tauon Music Box
Download available through Flatpak, Snap or the Arch User Repository.
Sayonara Player
Linux audio player and music library manager
vitunes
Music Player Daemon
Music Player Daemon is a flexible, powerful, server-side application for playing music.
ncmpcpp - ArchWiki
Music Player Daemon - ArchWiki
Ymuse
Ymuse is an easy, functional, and snappy GTK front-end (client) for Music Player Daemon written in Go.
ympd
FL Studio - Image-line
FL Studio music production software is used every day to create the world's favorite music. Get your free trial today.
TAL Software
TAL VST, AU, Audio Unit, AAX plug-ins for OSX and Windows
iTunes
The latest macOS offers the world’s best way to play — and add to — your collection of music, movies, TV shows, podcasts, audiobooks, and more.