There are many alternatives to Subsonic as a self-hosted solution if you are looking for a replacement. The best Self-Hosted alternative is Funkwhale, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Subsonic and 19 are available as a self-hosted solution so hopefully you can find a suitable replacement. Other interesting Self-Hosted alternatives to Subsonic are Ampache (Free, Open Source), Koel (Free, Open Source), Madsonic (Freemium, Open Source) and Streama (Free, Open Source).
Ever had a huge bookshelf full of shows and movies? Ever wanted to digitalize them, but didn't have a good way of organizing the files? Worry no more! Streama is your own personal Netflix for just such a purpose!
mStream is a suite of open source software that lets you sync and stream your music between all your devices. Get started by using mStream Express to turn your computer into an mStream server. Think of mStream as your own private cloud.
An elegant HTML5 web folder player for parties and/or private music collections, with a playlist system that all players should have had. It does not use a database (so it's alway up-to-date), but can easily handle folders with 25,000 songs or more.
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.