Jamulus
Free, open-source app for playing music together online in real time through shared servers.
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- 5 of 5
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About Jamulus
Jamulus lets musicians rehearse and jam over a normal broadband connection with low enough delay to stay in time. It works on a client-server model: everyone sends audio to a server, which mixes it and sends it back, so the load on each player's connection stays small even in big groups. The client includes built-in directories of public servers where anyone can drop in, or a band can run its own private server at home or on a cheap cloud machine. It is widely used by choirs, bands, schools and music teachers. Jamulus is free, GPL-licensed and maintained by volunteers, with clients for Windows, macOS and Linux. It is audio only by design; the project suggests pairing it with a video call if you want to see each other. There are no passwords on servers, and a wired connection and headphones are strongly recommended.
Best for: Choirs, bands and jam groups who want a free, proven setup that scales to many players.
Pros and cons
What works
- Completely free and open source
- Server mixing keeps each player's bandwidth low in large groups
- Public server directories for jamming with strangers
- You can run your own server
Why people leave
- No video support
- No password protection or authentication on servers
- No mobile apps
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Jamulus: common questions
Is Jamulus free?
Yes. Jamulus is free, open-source software that you can host yourself.
Is Jamulus open source?
Yes. The source code is on GitHub at jamulussoftware/jamulus. You can also run it on your own server.
What platforms does Jamulus run on?
Jamulus is available for Windows, macOS, Linux and Self-hosted.
What are the best alternatives to Jamulus?
The highest-ranked Jamulus alternatives right now are SonoBus and JackTrip. See the full ranked list for pricing, platforms and verified facts.