Apps with 'Subsonic API' feature
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.
Airsonic is a Free and Open Source community driven media server which allows you to stream, transcode, manage, and share your personal audio from anywhere via an HTML web browser or any number of apps (available for both iOS & Android).
Navidrome is an open source web-based music collection server and streamer. It gives you freedom to listen to your music collection from any browser or mobile device.Features
Roadie is a MP3 streaming server that has a full Subsonic compatible API that works with many Subsonic mobile applications. Roadie was built to be able to handle music collections with hundreds of thousands of tracks.
Ultrasonic is free and open-source music streaming Android client for Subsonic API (version 1.7.0 or higher) compatible servers.