YouTube Music Desktop App bundled with custom plugins
One for all free music in china (chrome extension)
Wow, such a beautiful HTML5 music player
Prevent and Protect Your HTML5 Video, Music , Audio From Download Free
pure JavaScript SID soundchip emulator and player for Web Audio API
CIRMMT Live Electronics Framework
local web based app: Music & VST Browser, Shazam charts local cache
Internet-radio server with web-GUI, it broadcasts music from folders
Very Powerfull Crossplatform Qt Based Music Note Editor[Still Planing]