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.

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

Mielophone is a minimalistic application for searching, listening, downloading and discovering new music.

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.

Mp3jam is a software to save any online music as high-quality MP3.