ErsatzTV vs Threadfin
A side-by-side comparison of two self-hosted media servers options — licensing, setup difficulty, resource needs, and what each one replaces.
ErsatzTV
IPTV streaming server that creates custom TV channels
VS
Threadfin
M3U proxy that emulates an HDHomeRun tuner for IPTV
| Feature | ErsatzTV | Threadfin |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 87 · Excellent | 44 · Fair |
| Category | Media Servers | Media Servers |
| License | GPL-3.0 | MIT |
| Language | C# | Go |
| Setup difficulty | Medium | Easy |
| Min. RAM | 512 MB | 128 MB |
| Deployment | docker, binary | docker, binary |
| GitHub stars | ★ 2,966 | ★ 1,719 |
| First released | 2021 | 2022 |
| Replaces | Cable TV | Cable TV |
What are ErsatzTV and Threadfin?
ErsatzTV
ErsatzTV is software for configuring and streaming custom live channels using your media collection. It emulates an HDHomeRun tuner and outputs M3U playlists for use with Plex, Jellyfin, and other clients.
- Custom live TV channels
- HDHomeRun emulation
- Scheduling and filler
- FFmpeg transcoding
Threadfin
Threadfin is an M3U proxy and IPTV manager that emulates an HDHomeRun device so live TV works in Plex, Jellyfin, and Emby. It filters channels, maps EPG data, and buffers streams for reliability.
- HDHomeRun emulation
- M3U and XMLTV management
- Channel filtering
- Stream buffering
ErsatzTV vs Threadfin: key differences
ErsatzTV is written in C#, while Threadfin is built with Go. Licensing differs — GPL-3.0 for ErsatzTV versus MIT for Threadfin. Threadfin is the lighter option, starting around 128 MB of RAM against 512 MB for ErsatzTV.
Why pick each one
Choose ErsatzTV if…
- Powerful scheduling options
- Works with major media servers
Watch out for
- Complex configuration
- FFmpeg knowledge helps
Choose Threadfin if…
- Simple lightweight binary
- Good IPTV integration
Watch out for
- Requires an IPTV source
- Not a full media server
Frequently asked questions
Is ErsatzTV or Threadfin better?
Neither is universally better. ErsatzTV has the larger community, while Threadfin is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.
Are ErsatzTV and Threadfin free and open-source?
Yes. ErsatzTV is licensed under GPL-3.0 and Threadfin under MIT. Both can be self-hosted at no software cost.
Can I run ErsatzTV and Threadfin with Docker?
ErsatzTV: yes. Threadfin: yes.
Which is lighter on resources, ErsatzTV or Threadfin?
Threadfin has the smaller minimum footprint at 128 MB of RAM, compared to about 512 MB for ErsatzTV. Real-world usage depends on library size, user count, and enabled features.