Polaris is a music streaming application, designed to let you enjoy your music collection from any computer or mobile device. Polaris works by streaming your music directly from your own computer, without uploading it to a third-party. It is free and open-source software, without any kind of premium version. The only requirement is that your computer stays on while it streams music! Features:

Optimized for large music collections Can run on Windows, Linux, BSD, or through Docker Listen to your music on the web or using the Polaris Android app Easy to setup and configure via the built-in web UI Support for flac, mp3, mp4, mpc, ogg and opus files Support for album art images Last.fm scrobbling Color themes Restrict access to your music collection with user accounts