Mumble

Mumble

Low-latency, high-quality VoIP voice chat client and server

7.8kstars
1.3kforks
Last commit: 3d ago
Repo age: 15y old
Mumble screenshot

Mumble is an open-source voice chat platform focused on low-latency, high-quality audio for groups and communities. It consists of a desktop client (Mumble) and a server component (mumble-server, formerly Murmur) to host your own voice infrastructure.

Key Features

  • Low-latency, high-quality voice communication using the Opus codec
  • Encrypted communication with certificate-based (public/private key) authentication support
  • Channels and an extensive permission system (ACL) for complex community setups
  • In-game overlay and positional audio features for supported games and setups
  • Extensibility via plugins and server integration APIs (including Ice-based tooling)
  • Cross-platform client support (Windows, macOS, and Linux; server runs on many platforms)

Use Cases

  • Private voice servers for gaming groups, clans, and large online communities
  • Team voice communication for organizations that need control over privacy and access
  • Audio collaboration and recording scenarios such as podcasts and multi-user sessions

Mumble is a mature, widely used VoIP solution that prioritizes responsiveness, sound quality, and administrative control. It is well-suited for anyone needing reliable hosted voice chat with fine-grained permissions and strong encryption.

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