Media Player Classic Home Cinema (mpc-hc) is considered by many to be the quintessential media player for the Windows desktop. Media Player Classic Qute Theater (mpc-qt) aims to reproduce most of the interface and functionality of mpc-hc while using libmpv to play video instead of DirectShow.
Fragments
Fragments is an easy to use BitTorrent client for the GNOME desktop environment. It is usable for receiving files using the BitTorrent protocol, which enables you to transmit huge files, like videos or installation images for Linux distributions.
drumkv1
drumkv1 is an old-school all-digital drum-kit sampler synthesizer with stereo fx.
Gnome Connections
A remote desktop client for the GNOME desktop environment
Patroneo
An easy to use, pattern based midi sequencer, a program that sends digital “notes” to software instruments such as synthesizers and samplers.
Blanket
Improve focus and increase your productivity by listening to different sounds. Or allows you to fall asleep in a noisy environment.
NON
Non is the result of one man’s desire to build a complete free-software Digital Audio Workstation on GNU/Linux that really works–on accessible hardware.
Rosegarden
Rosegarden is a music composition and editing environment based around a MIDI sequencer that features a rich understanding of music notation and includes basic support for digital audio.
QMPlay2
QMPlay2 is a video and audio player. It can play all formats supported by FFmpeg, libmodplug (including J2B and SFX). It also supports Audio CD, raw files, Rayman 2 music and chiptunes. It contains YouTube and MyFreeMP3 browser.
Muse Score
Create, play and print beautiful sheet music