AudioStreamer!

Google Play Music, a service available for people who have a Google account, lets people upload their personal music collection and access it instantly on the web or any compatible device.

Ampache is a web based audio streaming application and file manager allowing you to access your music from anywhere, using almost any internet enabled device.

YouTube is a global video-sharing website headquartered in San Bruno, California, United States.

Style Jukebox Cloud Player is the easiest way to take your music anywhere and listen to it on all your devices, online and offline.

StreamToMe is an app for Windows, Mac OSX, and iOS that lets you stream music and video files (in a wide variety of formats) live from another computer.

Logitech Media Server is the server software that powers audio players from Logitech (formerly known as SlimDevices), including Squeezebox 3rd Generation, Squeezebox Boom, Squeezebox Receiver, Transporter, Squeezebox2, Squeezebox and SLIMP3.

Watch videos streamed instantly from your computer on your iPhone, iPad, iPod touch or Apple TV.No need to worry about converting or transferring files.

Zeya is a media player that lets you bring your music to any computer with a web browser.

A music streaming server written in python,

Sockso is a free, open-source, personal music server for everyone! Its designed to be as simple as possible so that anyone with a mouse and some mp3s can get their friends listening to their music across the internet in seconds!

IMES is a server-based, multi-user music database & streamer. It employs couchdb for authentication and for serving its web frontend and music database to clients. Music is transcoded on-the-fly to MP3 and streamed via RTSP or HTTP.

VortexBox is a free, open source (GPL v3), quick-install ISO that turns your unused computer into an easy-to-use music server/jukebox. Once VortexBox has been loaded on an unused PC, it will automatically rip CDs to FLAC and MP3 files, ID3 tag the files , and download the cover art. Vortexbox will then serve the files to network media players such as Logitech Squeezebox, Sonos, or Linn. The music files can also be streamed to a Windows or Mac OSX system.

netjukebox is a web-based media jukebox for MPD, VideoLAN and Winamp/httpQ. It features real-time MP3 streaming from different audio formats. Download single tracks or a whole album in one zip file. It is also possible to batch transcode the whole music collection to another format or bitrate without touching the original files. For more information look at the netjukebox website.

atmosph3re is a web application, that you need to install just once, on your home server, or home computer. It scans all your music folders, and it generates a database of all your music collection.