Download of Jellyfin 10.9.11 for Mac was on the developer's website when we last checked. We cannot confirm if there is a free download of this app available.
Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe. This free Mac application was originally created by Jellyfin. Jellyfin for Mac lies within Audio & Video Tools, more precisely Streaming Media.
From the developer:
Jellyfin is the volunteer-built media solution that puts you in control of your media. It supports streaming to any device from your own server, with no strings attached. Jellyfin enables you to collect, manage, and stream your media with ease. You can watch your media conveniently from a web browser.
You may want to check out more Mac applications, such as Spin Music Free - The Internet Stream Radio, FreeAgent Theater or Spectrum TV, which might be similar to Jellyfin.