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Mumble is an open source, low-latency, high quality voice chat software primarily intended for use while gaming.

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OS Stable Release Development Snapshot
Windows 1.2.7 1.3.0~327~ge740ea5~snapshot
Windows x64 1.3.0~328~g840a31d~snapshot
OS X 1.2.7 1.3.0~328~g840a31d~snapshot
OS X (Universal, Legacy) 1.3.0~327~ge740ea5~snapshot
Ubuntu Stable Release PPA Snapshot PPA
iOS 1.3.0
Static Linux Server 1.2.7 1.3.0~328~g840a31d~snapshot
Static OS X Server 1.2.7 1.3.0~328~g840a31d~snapshot

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News & Blog

  • 2014-06-14 Mumble 1.2.7
    The Mumble team has released version 1.2.7 of the Mumble VoIP application. This is a minor bug fix release in the stable 1.2-series of Mumble. This release contains a couple of bug fixes to the Mumble client and updates OpenSSL … Continue reading
  • 2014-05-14 Mumble 1.2.6
    The Mumble team has released version 1.2.6 of the Mumble VoIP application. This new version contains two client-side security fixes. We advise our users to download this update as soon as possible from our SourceForge downloads page: This release … Continue reading

  • 2013-12-09 Mumble 1.2.3 and 1.2.4 released

    Obviously, you read it elsewhere by now. Sorry we forgot to publish news here on sourceforge for our past releases. We will try to do next time. :)

Our Blog News:
<a class="" href="" rel="nofollow">Mumble 1.2.3 released</a>
<a class="" href="" rel="nofollow">Mumble 1.2.4 released</a>

  • 2012-10-30 Mumble 1.2.2 Released
    Mumble just released version 1.2.2. This release introduces local caching of textures and comments, improved overlay quality including avatar support, ability to query for user information and much more.

For a complete list of new features, see



Tools used by Mumble


Mumble uses Qt, the Cross-Platform Rich Client Development Framework. Qt is used for cross-platform GUI, network and database functions.


Mumble's superior audio quality comes in large parts from Speex, a high quality voice codec and DSP library for echo cancellation and denoising.


Mumble has been analyzed with Klocwork source code analysis, the most accurate and comprehensive tool for finding critical programming errors and security vulnerabilities.


Murmur uses ZeroC Ice as a RPC framework, enabling flexible remote control


The binary distribution of Murmur was made portable to different Linux distributions with Magic Ermine