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Home/Categories/Communication & Collaboration/Mumble
icon of Mumble

Mumble

Open source alternative to Discord and TeamSpeak

A free, open-source, low-latency, high-quality voice chat application primarily designed for gaming but also suitable for other uses.

8K starsC++BSD-2-ClauseActive recently
Visit websiteGitHub repo
image of Mumble
Contents
  1. 01Who Mumble is for
  2. 02The problem it solves
  3. 03How it solves it
  4. 04Strengths and trade-offs
  5. 05Mumble vs alternatives
  6. 06Tech stack
  7. 07FAQ
  8. 08Similar open-source tools
TL;DR

Mumble is a low-latency open-source voice chat tool for communities that want their own voice server instead of Discord or TeamSpeak. It includes a desktop client and a server component, historically called Murmur, with cross-platform client support. Best for gaming groups, communities, and teams that value audio latency, server control, and simple voice rooms over a full social chat suite.BSD-2-Clause · C++ · 8K stars · Active recently

who it's for

Who Mumble is for#

Gaming groups hosting private voice

Mumble gives gaming communities low-latency voice rooms with a server they control, which is useful for clans, guilds, and long-running private groups.

Skip if:

Choose Discord if the group also needs integrated text chat, public discovery, bots, and mobile-first community features.

Privacy-minded communities

Communities can run their own voice infrastructure and decide how access, logs, and moderation work.

Skip if:

Skip it if no one in the group can maintain a small server and troubleshoot user connection issues.

the problem

The problem it solves#

Proprietary voice chat tools centralize identity, moderation, telemetry, and server policy under one vendor. Gaming groups and communities that only need reliable voice often end up accepting account requirements, advertising pressure, or feature changes they did not ask for.

Running a dedicated voice server also creates a different tradeoff. You get more control over access and hosting, but you must configure the server, permissions, and client onboarding yourself.

how Mumble solves it

How it solves it#

Low-latency voice chat

The project describes Mumble as low-latency and high-quality voice chat built on Qt and Opus, which fits real-time gaming and group calls.

Client and server split

Mumble includes a desktop client and a separate server component, so communities can host their own voice service instead of depending on a central vendor.

Cross-platform client support

The README lists Windows, Linux, FreeBSD, OpenBSD, and macOS client support, with server support anywhere Qt can run.

Plugin extension path

Mumble supports plugins for capabilities that are not built into the main application, with developer documentation in the repository.

strengths · trade-offs

Strengths and trade-offs#

Strengths

  • Server ownershipSelf-hosting the Mumble server gives communities control over access, availability, and moderation policy without moving voice traffic through a proprietary community service.
  • Focused audio experienceMumble stays centered on voice chat instead of bundling a social network, forum, and content feed. That focus helps groups that want reliable voice with minimal product surface.
  • Native clientsMumble's desktop clients avoid browser-only voice limitations and support long-running community use on major operating systems.

Trade-offs

  • -Less all-in-one community toolingMumble does not replace Discord's text channels, discovery, bots, and community management features. Most groups pair it with a separate chat or forum.
  • -Server setup still mattersA good Mumble deployment needs server configuration, certificates, permissions, backups, and user guidance. Nontechnical communities may prefer a hosted voice service.
versus alternatives

Mumble vs alternatives#

Mumble vs Discord

Mumble and Discord both support group voice, but Mumble focuses on self-hosted voice servers while Discord provides a proprietary community app with text channels, social features, and managed infrastructure.

Mumble is the better fit when voice quality, low latency, and server ownership matter most. Discord is still the better fit when the community needs a broad social hub, mobile onboarding, bots, and no server maintenance.

tech stack · detected from GitHub

What it's built on#

Languages
CC++Objective-C++Python
frequently asked

FAQ#

Does Mumble include a server?

Yes. Mumble includes the client and the Mumble server, formerly known as Murmur, so groups can host their own voice service.

Is Mumble only for gaming?

No. Mumble is popular with gaming groups because of its low-latency audio, but any community that needs private voice rooms can use it.

What platforms does Mumble support?

The README lists clients for Windows, Linux, FreeBSD, OpenBSD, and macOS. Server support depends on where the required Qt components can run.

also worth a look

Similar open-source tools#

Valour

Valour

Open source Discord alternative with flexible community tools

385C#AGPL-3.0
Revolt

Revolt

Self-hosted open source Discord alternative with servers

3.1KRustAGPL-3.0
Jami

Jami

Free P2P encrypted messaging, calls, and file sharing

165C++GPL-3.0
Prose

Prose

Decentralized open source workplace with chat and docs

56VueMPL-2.0
Passbolt

Passbolt

Open source team password manager with sharing and audit

6KPHPAGPL-3.0
MiroTalk

MiroTalk

Free browser-based video calls with no sign-up required

4.6KJavaScriptAGPL-3.0

Repository

Stars
8K
Forks
1.3K
License
BSD-2-Clause
Latest
v1.5.857
Last commit
85 days ago
Last verified
May 13, 2026
Repo
mumble-voip/mumble ↗

Additional details

Language
C++
Open issues
491
Contributors
405
First release
2011

Categories

Communication & CollaborationIT ManagementSecurity & Monitoring

Tags

ChatSelf HostedSecurityCybersecurityServer ManagementAuthenticationAuthorization