Reel2bits is a soundcloud-like self-hosted opensource web application. It allows you to upload tracks, transcode them if needed and publish podcasts or albums.
ActivityPub federation is still a work in progress, everything else works.
A community dedicated to fediverse news and discussion.
Fediverse is a portmanteau of “federation” and “universe”. It is a common, informal name for a federation of social network servers whose main purpose is microblogging, the sharing of short, public messages.
Getting started on Fediverse;