The best open source Media Server alternative to Plex is Jellyfin. If that doesn't suit you, our users have ranked more than 50 alternatives to Plex and 18 are open source Media Servers so hopefully you can find a suitable replacement. Other interesting open source Media Server alternatives to Plex are Universal Media Server, Meelo, LibreELEC and MiniDLNA.
A free, open-source media system alternative to proprietary options like Emby and Plex, with Chromecast support, 4K streaming, plugin extensions, focusing on privacy without premium features, managing media from dedicated servers to multiple devices via various apps.
Universal Media Server is a media server capable of serving videos, audio and images to any DLNA-capable device. It supports any device capable of DLNA and runs on all major operating systems: Windows, OS X and Linux.
A versatile self-hosted music server offering music video access, B-Side and rare track identification, extensive format support via transcoding, and detailed metadata parsing. Additional features include automatic 'featuring' detection, song version browsing, and genre retrieval through platforms like MusicBrainz.
LibreELEC is ‘Just enough OS’ for Kodi, a Linux distribution built to run Kodi on current and popular mediacentre hardware. We are an evolution of the popular OpenELEC project. LibreELEC software will be familiar to OpenELEC users.
MiniDLNA (aka ReadyDLNA) is server software with the aim of being fully compliant with DLNA/UPnP-AV clients. It is developed by a NETGEAR employee …
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!
PS3 Media Server is a DLNA compliant Upnp Media Server for the PS3, written in Java, with the purpose of streaming or transcoding.
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).
MythTV is a free, open source media center and digital video recorder (DVR) distributed under the terms of the GNU GPL. With its plugin architecture, MythTV can be transformed into a home media center suite, capable of managing your personal photo, video, and music collections...
MediaTomb is an open source (GPL) UPnP MediaServer with a nice web user interface, it allows you to stream your digital media through your home network and listen to/watch it on a variety of UPnP compatible devices.
Oblecto is a media server, similar to Plex, Emby, Netflix and others. It runs in the background on a home server to index your media such as movies and TV shows to make them searchable and streamable through a REST based interface.
Rygel is a home media solution that allows you to easily share audio, video and pictures, and control of media player on your home network. In technical terms it is both a UPnP AV MediaServer and MediaRenderer implemented through a plug-in mechanism.
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It's FOSS and they don't spy on you. No paywalls and 'Premium' packages. It's completely free.