Mumble is an open source, low-latency, high quality voice chat software primarily intended for use while gaming.
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Mumble is a voice over IP application primarily designed for use by gamers. You can download Mumble here for free.

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Clicking this button launches Optimum Installer ™ which will manage your download: learn more. Mumble is also available for free from the developers's website.


Mumble is an open source voice communication application that features a customizable in game overlay, application skins, and more.
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Mumble conversation recording, and advanced voice activity detection allows you to save your recorded chats.
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Mumble is a voice chat application for groups. While it can be used for any kind of activity, it is primarily intended for gaming. It can be compared to programs like Ventrilo or TeamSpeak.
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Your whole communication to and from the server is always encrypted. This encryption is mandatory and cannot be disabled.
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The voice channel carrying speech and positional audio is encrypted with OCB-AES 128 bit. You and the server authenticate to each other using digital certificates like they are used for secured connections in Web-browsers.
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Mumble is high quality with no noise. Removing the noise from the input means that the audio will be clearer and that the needed bitrate will decrease.
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This download is compatible with Window's Operating System only. This software may be available for other operating systems via the manufacturer's website. You will need to use Internet Explorer, Mozilla Firefox, or Google Chrome to initiate the download.

This site offers Mumble for download free of charge. This Mumble download comes with Optimum Installer and recommends other optional downloads during the install process. Clicking a download link on this site launches Optimum Installer ™ which will manage your download: learn more. Mumble is also available directly from the developers's website.

Additional Software & Changes to your browser settings

Once you start the installation process, we may offer you additional software or toolbars, that we think you may find useful. You do NOT have to install any additional software and you can choose to "Skip All" if you don't want to see any software we are recommending to you.
Some software may offer to change your browsers' homepage, or your browsers' default search engine and may also ask you to to install a search toolbar to enhance your search experience. You do not have to install toolbar or change any of your browsers' settings in order to use the software offered on this page. See an example of the install process below:

Incredibar Toolbar
During the install you may be asked if you want to install Incredibar toolbar. This is a toolbar which allows you to play games, play videos and music, and more with the click of a button. Incredivar is optional and is not required to install your chosen software. To remove Incredibar, simply go to your default browser - plugins/addons - and select "disable" or "remove".

Facemoods Toolbar
During the install you may be asked if you want to install Facemoods toolbar. This is a toolbar which allows you to use a variety of smiley faces with Facebook, and is optional and is not required to install your chosen software. To remove Facemoods, simply go to your default browser - plugins/addons - and select "disable" or "remove".


Babylon Toolbar
During the install you may be asked if you want to install Babylon toolbar. This is a toolbar which helps translate a variety of languages, and is optional and is not required to install your chosen software. To remove Babylon, simply go to Window's add/remove programs and select "uninstall" from there.

This website is in no way associated with the makers of Mumble or Sourceforge.
Mumble is a registered trademark internationally registered.
Mumble can be downloaded directly from the manufacturer at mumble.sorceforge.net.