jellyfin

The Free Software Media System - Server Backend & API

⭐ 51,181 stars on GitHub · 🍴 4,740 forks · 📜 License: gpl-2.0 · 💻 Language: C#

What is jellyfin?

A serious Plex/Emby alternative for people who want full control, Jellyfin gives you a self-hosted media server without subscriptions, account lock-in, or paywalled features. Its differentiator is simple: your media library, your server, your users, your rules.

Main components

• Media server backend for organizing, indexing, and serving movies, TV, music, and other media.
• REST API and server core used by Jellyfin web, desktop, mobile, TV, and third-party clients.
• Streaming support from a dedicated server to multiple end-user devices.
• Transcoding pipeline using FFmpeg for device-compatible playback.
• Cross-platform .NET backend that runs on major operating systems and in containerized deployments.
• User and library management for separating media collections, permissions, and playback access.

Clear use cases

• Build a personal Netflix-style media library for your household from files you already own.
• Run a private media server on a NAS, home lab box, VPS, or Docker host.
• Stream movies and TV shows to phones, browsers, smart TVs, and media boxes without relying on a vendor cloud.
• Share curated libraries with family members using local accounts and controlled access.
• Replace Plex or Emby when you do not want premium tiers, telemetry concerns, or hosted account dependencies.

Jellyfin is one of the strongest self-hosted media platforms because it covers the full server-side workflow: library scanning, metadata handling, streaming, transcoding, user access, and client integration. The server is written in C# on .NET, which gives it broad platform support and a familiar stack for contributors who work in Microsoft or cross-platform backend environments. In practice, most users will deploy it via packages or Docker, point it at their media folders, configure FFmpeg-backed transcoding, and connect clients.

The tradeoff is that you are responsible for the boring but important parts: storage layout, hardware acceleration, remote access, backups, TLS, and bandwidth. Jellyfin can be very polished once configured, but it is still self-hosted infrastructure. If you expect a commercial streaming service experience with zero maintenance, Plex may feel smoother in some edge cases, especially around client availability and remote access defaults. If you value ownership and transparency, Jellyfin is the better long-term bet.

The biggest strength is freedom from commercial gating — Jellyfin does not reserve core media-server features for a paid plan or require you to authenticate through a vendor-controlled cloud. Compared with Plex and proprietary Emby, its unique value is that the server and API are free software, the ecosystem is community-driven, and the project’s incentives are aligned with users who want durable control over their own media stack.

Best for home lab users, NAS owners, privacy-conscious families, and sysadmins who want a capable self-hosted media server without subscription licensing.

Topics: the project is tagged with popular topics:

• 🏷️ csharp
• 🏷️ dotnet
• 🏷️ hacktoberfest
• 🏷️ jellyfin
• 🏷️ self-hosted

Quick install

See the README for detailed install instructions. Most projects support Docker — if the repo has a Dockerfile, use:

git clone https://github.com/jellyfin/jellyfin.git
cd jellyfin
docker build -t jellyfin .
docker run -d -p 8080:8080 jellyfin

Minimum system requirements

⚡ Deploy fast on VSIS

Use the VSIS VPS Standard 4GB RAM / 2 vCPU / 50GB SSD (~150k/tháng) plan from VSIS.NET — high-speed VN-based VPS, 24/7 support, ideal for running jellyfin smoothly.

🎯 Benefits:

• One-command docker compose up -d deploy in 2 minutes
• Dedicated IPv4, root access, unmetered domestic bandwidth
• Daily snapshot backup
• Free install assistance from the VSIS team

👉 See matching VPS plans at vsis.net

Resources

• 🔗 GitHub: jellyfin/jellyfin
• 🌐 Homepage: https://jellyfin.org
• 📚 Official docs: see README in the repo
• 💬 Community: GitHub Issues + Discussions

Article compiled from GitHub data on 05/05/2026. Star/fork counts may have changed — see live numbers via the GitHub link.