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Mumcord is a modern, Discord-style desktop voice chat client for gaming groups and online communities. It is built with Rust, Tauri 2 and React/TypeScript.
Website: mumcord.app (source: mumcord-www)
Mumcord speaks the Mumble protocol. It is compatible with Mumble, but not affiliated with or endorsed by the Mumble project.
- A pure client. It works with unmodified, standard Mumble servers (murmur / mumble-server). Nothing needs to be installed or changed on the server.
- Server versions: Mumble 1.4 and newer are fully supported. Older servers connect on a best-effort basis; features they lack (for example following channels) are hidden.
- Platforms: Linux (X11 and Wayland), Windows 10/11 and macOS.
- Discord-style window: server bar, channel list, chat and member list.
- Read text channels without joining them, by following them. Message notifications in-app or on the desktop.
- Built for big servers: search with Ctrl+K, avatar stacks, tested with 1000 people.
- AI noise suppression, echo cancellation and automatic gain, on by default.
- Push-to-talk with keyboard keys and mouse buttons, including on Wayland.
- Identity (client certificate) kept in your system's secure storage.
- All 24 official EU languages; light and dark themes.
- In-game overlay on Linux (including Steam/Proton), window overlay and "Now gaming" status. The Windows in-game overlay comes later; there is no overlay on macOS.
- Friends, full profiles with a private note, chat history sync between Mumcord clients and full-size images.
- Beta: positional audio, game plugins and full-size images.
- Built with accessibility in mind (WCAG 2.2 AA is the target).
Early development (alpha, Epic 1). Expect missing features and rough edges. Builds are unsigned until code signing is set up, so Windows and macOS show a security warning on first start (see Privacy and code signing). Epic 1 is delivered in four stages: stage 1a (everyday client) is released as v0.1.0 (alpha), v0.1.1 adds the music quality switch, stage 1b (chat features) is released as v0.2.0, and stages 1c (in-game: window overlay, in-game overlay on Linux, Now gaming, quick settings, positional audio, settings search, accessibility switches) and 1d (Mumcord-to-Mumcord and people: person menu, full profile, friends, history sync, full-size images, 24 languages, privacy step) are released as v0.3.0; hotfix v0.3.1 fixes Music quality packets and chat links on Linux. Epics 2 to 6 (multi-server read-along with shareable themes, comfort, admin, release and auto-update, GIF search) come later. See Roadmap and Features.
| I want to... | Page |
|---|---|
| See what Mumcord can do | Features |
| See what is built, next and later | Roadmap |
| See what Epic 1 (stages 1a to 1d) delivered | Epic 1: Foundation |
| See what is planned for Epic 2 (in development) | Epic 2: Multi-server and themes |
| Try a test build | Installation |
| Fix a problem (push-to-talk, overlay, dropping images, keyring, certificates) | Troubleshooting |
| Read about privacy and code signing | Privacy and code signing |
| Build it from source | Building |
| Contribute code | Development |
| Write a spec or build one with the project's Claude Code skills | Spec and Dev Workflow |
| Run the tests | Testing |
| Understand how it works inside | Architecture |
Source code and issues: https://github.com/ToBee94/mumcord