Mumble

Open source alternative to TeamSpeak and Discord

8.4K stars
BSD-2-Clause
Active this week
Last commit 2 days ago

Last verified Oct 20, 2026

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

Visit website GitHub8.4K Deploy on Hostinger

Read the full breakdownWho it is for, how it works, trade-offs and the FAQ

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#

dcts-shipping

Alternative toDiscord

Self-hosted Discord-style chat with encrypted DMs and voice

645 GitHub stars
Licence AGPL-3.0

Valour

Alternative toDiscord

Open source Discord alternative with flexible community tools

400 GitHub stars
Licence AGPL-3.0

SpacebarChat

Alternative toDiscord

Free open source Discord reimplementation with full API parity

2,210 GitHub stars
Licence AGPL-3.0

Revolt

Alternative toDiscord

Self-hosted open source Discord alternative with servers

3,406 GitHub stars
Licence AGPL-3.0

Jami

Alternative toWhatsApp

Free P2P encrypted messaging, calls, and file sharing

168 GitHub stars
Licence GPL-3.0

Vela

Alternative toGoogle Maps

OpenStreetMap and Google data, no account, no Play Services

2,060 GitHub stars
Licence GPL-3.0

by category

Open source tools in these categories#

126

Hostinger

Run Mumble on your own server

Self-host Mumble on a Hostinger VPS.

Deploy on Hostinger

Featured

rakazo

Alternative toGrok Bot

AI teammates you own: your keys, your model, your machine.

4,904 GitHub stars
Licence Apache-2.0
#AI Agents

Omnara

Alternative toClaude Managed Agents

Open-source agent deployment API. Self-host or use Omnara Cloud.

2,957 GitHub stars
Licence Apache-2.0
#AI Agents

Inbox Zero

Alternative toSuperhuman

AI email assistant that drafts replies and clears your inbox

12,712 GitHub stars
Licence AGPL-3.0
#Email

Feature your project

The projects we add and every new guide. Free, unsubscribe any time.

Find open source alternatives to paid software

Who Mumble is for#