Welcome to Mumble!
Your go-to solution for high-quality, low-latency voice chat. Whether you’re a gamer, podcaster, or part of a large team, Mumble delivers a seamless communication experience with privacy and security at its core.
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Ready to experience ultra-low latency and crystal-clear voice chat? Download Mumble now and start communicating with ease!
Latest News

What ports need to be open for Mumble to work?
Introduction Ports need to be open for Mumble to work without issues. If the correct ports are blocked, you may face connection problems. Voice chats
Latest Realese

What ports need to be open for Mumble to work?
Introduction Ports need to be open for Mumble to work without issues. If the correct ports are blocked, you may face connection problems. Voice chats
About Mumble
Free, Open Source, Low-Latency, High-Quality Voice Chat
Mumble is a free, open-source voice chat application that offers low-latency and high-quality audio communication. Since its launch, Mumble has been a game-changer in the world of voice-over-IP (VoIP), establishing itself as a top choice for gamers, podcasters, and businesses alike.
Revolutionizing Low-Latency Voice Communication
When Mumble was first introduced, it became the first-ever VoIP application to offer true low-latency voice communication. With its ability to deliver real-time, high-quality voice chats, Mumble quickly gained a reputation as the gold standard for voice communication. But, unlike other platforms that focused mainly on gaming, Mumble’s versatility has allowed it to thrive in multiple use cases.
Mumble’s low-latency and high-quality audio make it ideal for a variety of use cases. Podcasters and content creators particularly love Mumble for its multi-channel audio recorder, which makes it easy to record high-quality audio with multiple participants simultaneously. For gamers, Mumble offers an immersive experience with its positional audio feature, allowing users to hear other players based on their in-game location. This, combined with the app’s low-latency communication, enhances the gaming experience, making it an essential tool for competitive gaming. Large communities such as Eve Online players, with over 100 simultaneous voice participants, also make good use of Mumble’s extensive permission system to coordinate seamlessly in-game. Moreover, Mumble’s low-latency communication makes it a required platform for the competitive Team Fortress 2 community, where precise coordination is key. Mumble also serves hobby radio transmission users who need clear and reliable voice communication for their personal or professional projects. Additionally, many businesses and workplaces have adapted Mumble for their communication needs, whether it’s for teams working remotely across different countries or for unique use cases like communication within airplanes.
Administrators appreciate Mumble for its ability to be self-hosted, which gives them complete control over data security and privacy. This is crucial for those who need to ensure that their communication is both safe and private. Furthermore, Mumble’s extensive permission system allows for complex configurations, such as separating user groups while still allowing group leaders to communicate with everyone. This makes Mumble a perfect solution for organizations with multiple teams or specialized groups. Administrators also love the fact that Mumble is highly extendable; they can use scripts to interact with the server APIs, enabling additional functionalities like music bots or automation. For organizations that already have a user database, Mumble makes it easy to integrate authentication, allowing users to log in with their existing credentials, simplifying the overall user management process.
Mumble is not just a voice chat application—it’s a powerful, versatile tool that meets the needs of gamers, podcasters, hobbyists, businesses, and administrators. With its open-source flexibility, high-quality audio, and customizable features, Mumble continues to set the standard for real-time communication across diverse use cases.
Features of Mumble
Mumble is designed to cater to different user groups, each with unique needs. Here are some key features tailored to each type of user
For End-Users:
Mumble is easy to use—just download, install, and connect to a server to start communicating.
- Low Latency – Smooth, lag-free experience for seamless talking and gaming.
- Security & Privacy – Conversations are encrypted with public/private-key authentication.
- Recognize Friends Across Servers – Easily connect with friends, regardless of the server.
For gamers, Mumble offers:
- In-Game Overlay – See who’s talking, your FPS, and the current time during gameplay.
- Positional Audio – Hear players based on their in-game location.
- Setup Wizards – Simple microphone setup to get you started quickly.
For Administrators:
Mumble provides powerful features for administrators to manage servers securely and flexibly:
- Libre Software – Free to use with no licensing restrictions.
- Open Source – Transparent, secure, and extendable codebase.
- User Permissions (ACL) – Create custom, complex user permissions.
- Extendibility – Integrate with Ice protocols and third-party software.
- Web Interfaces – Choose from community-built management tools.
- Channel Viewers – Easily monitor server activity with CVP.
- Authenticators – Integrate with existing user databases for authentication.
Mumble offers guides to help administrators set up and manage servers.
For Hosters:
Mumble is optimized for hosting, offering cost-effective and efficient server management features.
- Free Software – No licensing fees, keeping hosting affordable.
- Automated Administration – Use Ice middleware to automate server management.
- Low Resource Usage – Resource-efficient, reducing hosting costs.
- Stable Server Software – Ensures smooth and reliable server performance.
- Flexible Hosting Options – Choose between official or third-party software.
- Custom Web Interfaces – Provide personalized interfaces or use available free options.
- Channel Viewer Data (CVP) – Share data without giving full control, or use Ice for added functionality.
For hosting setup, refer to Mumble’s server guide.



Frequently asked questions about Mumble version 1.3.3
Mumble 1.3.3 is an open-source, low-latency, high-quality voice chat software primarily intended for use while gaming. This version is a bugfix and security release in the 1.3 series.
- Low Latency: Ensures real-time communication with minimal delay.
- High-Quality Audio: Provides clear voice transmission.
- Positional Audio: Simulates spatial sound for immersive gaming experiences.
- Security: Offers encrypted communication to protect user privacy.
Mumble 1.3.3 is available for Windows, macOS, and Linux operating systems.
You can download Mumble 1.3.3 from our official Mumble website’s downloads page.
This release fixed several issues, including:
- Invisible chatbox (zero height).
- Handling of invalid packet sizes.
- Race conditions leading to loss of shortcuts.
- Clickable links in the About dialog.
- Sizing issues in the ACL Editor.
- PulseAudio now always samples at 48 kHz.
Yes, known issues include:
- Overlay blocked by BattleEye; a request to whitelist it has been made.
- Overlay blocked by CS:GO Trusted Mode.
Yes, Mumble is free and open-source software, available under the BSD license.
Yes, you can host your own server using the “murmur” server application included with Mumble.
Yes, Mumble includes a text chat feature alongside voice communication.
For more details, visit our official Mumble website or refer to their documentation and community forums.