Software

Modern Music Server and Streamer, compatible with Subsonic/Airsonic. ([Demo](https://www.navidrome.org/demo), [Source Code](https://github.com/navidrome/navidrome), [Clients](https://www.navidrome.org/docs/overview/#apps))

Podcast management system with multi-user support. Pinepods utilizes a central database so aspects like listen time and themes follow from device to device. ([Demo](https://try.pinepods.online), [Source Code](https://github.com/madeofpendletonwool/PinePods))

Swing Music is a beautiful, self-hosted music player and streaming server for your local audio files. Like a cooler Spotify ... but bring your own music. ([Source Code](https://github.com/swingmx/swingmusic))

Start your own video sharing website (YouTube/Netflix Clone) in a matter of minutes. ([Demo](https://demo.clipbucket.oxygenz.fr/), [Source Code](https://github.com/MacWarrior/clipbucket-v5))

UPnP Media Server, which allows you to stream your digital media throughout your home network and listen to/watch it on a variety of UPnP compatible devices. ([Source Code](https://github.com/gerbera/gerbera))

Streaming audio/video server which can be used to create an Internet radio station or a privately running jukebox and many things in between. ([Source Code](https://gitlab.xiph.org/xiph/icecast-server), [Clients](https://icecast.org/apps/))

Media server for audio, video, books, comics, and photos with a sleek interface and robust transcoding capabilities. Almost all modern platforms have clients, including Roku, Android TV, iOS, and Kodi. ([Demo](https://demo.jellyfin.org/stable), [Source Code](https://github.com/jellyfin/jellyfin), [Clients](https://github.com/awesome-jellyfin/awesome-jellyfin))

Host awesome karaoke parties where everyone can easily find and queue songs from their phone's browser. The player is also fully browser-based with support for MP3+G, MP4 and WebGL visualizations. ([Source Code](https://github.com/bhj/KaraokeEternal))

Multimedia/Entertainment center, formerly known as XBMC. Runs on Android, BSD, Linux, macOS, iOS and Windows. ([Source Code](https://github.com/xbmc/xbmc))

Ready-to-use, zero-dependency real-time media server and proxy to publish, read, record, playback and route video/audio streams over SRT, WebRTC, RTSP, RTMP, HLS, MPEG-TS, RTP. ([Source Code](https://github.com/bluenviron/mediamtx), [Clients](https://mediamtx.org/docs/kickoff/introduction))

Public domain streaming media server that works with any device and any format. ([Source Code](https://github.com/DDVTECH/mistserver))

Turn your choice of Linux-capable hardware into an audio and video source for a television or powered speakers (alternative to Chromecast). ([Source Code](https://github.com/MayaPosch/NymphCast))

UPnP AV MediaServer that allows you to easily share audio, video, and pictures. Media player software may use Rygel to become a MediaRenderer that may be controlled remotely by a UPnP or DLNA Controller. ([Source Code](https://gitlab.gnome.org/GNOME/rygel/))

A web-based library organizer and player for your adult media stash, with auto-tagging and metadata scraping support. ([Source Code](https://github.com/stashapp/stash))

Modern, fully featured open source video and media CMS, written in Python/Django/React, featuring a REST API. ([Source Code](https://github.com/mediacms-io/mediacms))

Decentralized single-user live video streaming and chat server for running your own live streams similar in style to the large mainstream options. ([Source Code](https://github.com/owncast/owncast))

Decentralized video streaming platform using P2P (BitTorrent) directly in the web browser. ([Source Code](https://github.com/Chocobozzz/PeerTube))

Access H.264 real-time video streaming on your website without a streaming provider. ([Source Code](https://github.com/datarhei/restreamer))

A simple, high efficiency and real-time video server, supports RTMP, WebRTC, HLS, HTTP-FLV and SRT. ([Source Code](https://github.com/ossrs/srs))

Youtube-like (_without censorship and features you don't need!_) video sharing app written in Go which also supports automatic transcoding to MP4 H.265 AAC, multiple collections and RSS feed. ([Demo](https://tube.mills.io))

Cross-platform multimedia player client and server supporting most multimedia files as well as DVDs, Audio CDs, VCDs, and various streaming protocols. ([Source Code](https://code.videolan.org/videolan/vlc))

Toolbox for tiny tasks on the internet, including bookmark collections, URL shortening and (encrypted) image uploads. ([Source Code](https://github.com/muety/anchr))

Web AI firewall utility which protects upstream resources from scraper bots. ([Source Code](https://github.com/TecharoHQ/anubis))

Web app for hosting asciicasts. ([Demo](https://asciinema.org/explore), [Source Code](https://github.com/asciinema/asciinema-server))