Spotify is online music platform with music discovery and recommendation features.

Tomahawk is a free, open-source cross-platform music player for Windows, macOS and Linux. An Android client is currently in beta.

Funkwhale is an open-source platform for sharing and discovering music.

Madsonic is a web-based media library and media streamer with jukebox functionality.

FrostWire is a free, open source BitTorrent client.

Subsonic is an open-source web-based media streamer and jukebox. Supports MP3, OGG, AAC and other streamable audio and video formats.

GNU MediaGoblin (MediaGoblin or GMG) is a free, decentralized Web platform (server software) for hosting and sharing many forms of digital media.