SoundJS - A Javascript library for working with Audio

•    Javascript

SoundJS is a library to make working with audio on the web easier. It provides a consistent API for playing audio in different browsers, including using a target plugin model to provide an easy way to provide additional audio plugins like a Flash fallback (included, but must be used separately from the combined/minified version).A mechanism has been provided for easily tying in audio preloading to PreloadJS.

mpv - Video player based on MPlayer/mplayer2

•    C

mpv is a media player based on MPlayer and mplayer2. It supports a wide variety of video file formats, audio and video codecs, and subtitle types. mpv has an OpenGL based video output that is capable of many features loved by videophiles, such as video scaling with popular high quality algorithms, color management, frame timing, interpolation, HDR, and more.

SoundManager2 - A JavaScript Sound API supporting MP3, MPEG4 and HTML5 audio + RTMP, providing reliable cross-browser/platform audio control in as little as 12 KB

•    Javascript

By wrapping and extending HTML5 and Flash Audio APIs, SoundManager 2 brings reliable cross-platform audio to JavaScript.An Ant build file defines the tasks for compiling JS and SWF components, useful if you make changes to the SM2 source and want to recompile. Google's Closure Compiler is used for the JS. AS2 compilation is done by MTASC, and AS3 is handled by Adobe's Open Source Flex SDK (mxmlc) compiler. Refer to build.xml for compiler downloads and path definitions.

Swift-Radio-Pro - Professional Radio Station App - now supports Swift 4 / Xcode 9!

•    Swift

Swift Radio is an open source radio station app with robust and professional features. This is a fully realized Radio App built entirely in Swift. Master is now the Xcode 9 / Swift 4 branch. View this GETTING STARTED VIDEO. It's short & sweet to give you a quick overview. Give it a quick watch.

Babe - Tiny Qt Music Player

•    C++

Babe will handle your whole music collection, letting you create custom playlists to organize your music. You can also filter your music by artist, title, album, genre, date and location. Babe let's you babe-mark your favorite YouTube music videos into your local collection by using the Chromium extension. Think of Babe as the playlist where all your favorite tracks at the moment are. And when needed you also have an integrated collection manager. Babe is designed to tightly integrate with the KDE Plasma desktop.

Clementine-player - A cross-platform music player

•    C++

Clementine is a multiplatform music player. It is inspired by Amarok 1.4, focusing on a fast and easy-to-use interface for searching and playing your music. Its feature include Search and play your local music library, Internet radio support, Playlists, Audio CDs, Transcode music into MP3, Ogg Vorbis, Ogg Speex, FLAC or AAC, Discover and download Podcasts and lot more.

DeaDBeeF - The Ultimate Music Player

•    C++

DeaDBeeF is an audio player which supports mp3, ogg vorbis, flac, ape, wv/iso.wv, wav, m4a/mp3 (aac and alac), mpc, tta, cd audio, and many more formats. It has no no GNOME or KDE dependencies. Its feature include GUI using GTK2 and GTK3, 18-band graphical equalizer and other DSP plugins, Gapless playback, Radio streaming, Transcode files to other formats, OSD notifications about current playing songs and lot more.

Yet Another Music Application - A simple approach to music in DotNet

•    CSharp

Stoffi Music Player is a new beautiful, integrated, compact & free music player. Stoffi focuses on consolidating the key features spread over various music players into one unified music player. It is also aimed at being simple but powerful at the same time. It has youtube support, Equalizer with echo effect, Remote control, Queue your music, Song bookmark and lot more.

Qmmp - Qt-based Multimedia Player (Qmmp)

•    C++

This program is an audio-player, written with help of Qt library. The program has user interface, similar to winamp or xmms. It supports MPEG1 layer 2/3, Ogg Vorbis, Chiptune formats (AY, GBS, GYM, HES, KSS, NSF, NSFE, SAP, SPC, VGM, VGZ, VTX), projectM visualization, Spectrum analyzer, Video playback via Mplayer, 10-band equalizer, Stream browser, ReplayGain scanner, Audio recording and lot more.

Sayonara-player - Platform independent music player written in C++

•    C

Sayonara is a small, clear and fast audio player for Linux written in C++, supported by the Qt framework. It uses GStreamer as audio backend. It supports Many supported music and playlist formats, Media library with fast search function, Dynamic playback, Equalizer, MP3 Converter, Radio streaming, Multimedia Keys and lot more.

RhythmBox - A Music playing application for GNOME

•    C

RhythmBox is an MP3/OGG player for Linux and the GNOME desktop. It features easy playlist edition, CD-ripping, MP3 walkman support, Audio CD burning and internet radio playback. Its interface is strongly based on Apple's iTunes.

Lollypop - Modern music player for GNOME

•    C++

Lollypop is a modern music player for GNOME. It supports mp3, mp4, ogg, and flac formats, Visual access from your couch, Get artists and tracks information from the web, Search in your collection by artist, album and title and lot more.

foobar2000 - Audio player for the Windows platform

•    C

foobar2000 is an audio player for the Windows platform. It suppors audio formats: MP3, MP4, AAC, CD Audio, WMA, Vorbis, Opus, FLAC, WavPack, WAV, AIFF, Musepack, Speex, AU, SND... and more with additional components, Advanced tagging capabilities, Gapless playback, Support for ripping Audio CDs as well as transcoding all supported audio formats using the Converter component and lot more.

Cantata - Graphical Music Player

•    C++

Cantata is a graphical (Qt5) client for music player daemon (MPD). It supports Multiple MPD collections, Highly customisable layout, Group songs by album, Add tags to songs, File organizer, Smart Playlists, Radio stream support, Audio CD ripping and playback and lot more.

Mp3blaster - Audio player for the text console

•    C++

Mp3blaster is an interactive text-based program that plays MP3, Ogg Vorbis, wav, and sid audio files. One of its key features is its nested playlist editor which can group albums or genres.

react-native-track-player - A fully fledged audio module created for music apps

•    Java

Check Platform Support for more information. After trying to team up modules like react-native-sound, react-native-music-controls and react-native-google-cast, I've noticed that their structure and the way should be tied together can cause a lot problems (mainly on Android). Those can heavily affect the app stability and user experience.

Google Music Player

A desktop client for Google Music that supports minimize to tray with a dragable playback control bar and support for multimedia keys.

Audio-Gallery-Suite

Audio-Gallery-Suite is a complete audio gallery solution that includes a web audio gallery and a windows application for its complete management.

SmallTune

•    CSharp

SmallTune is an audioplayer with a long tradition, being completely rewritten and redesigned by now.

(Party) DJ Player

Simple DJ Player for parties. Can be used as normal audio player with gapless playing. Support many audio formats like mp3, ogg, aiff, mpa, wav, wma, aac, ...