cmux/README.md
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- Add docs pages (getting-started, changelog, keyboard-shortcuts)
- Add blog, community, and legal pages (privacy, terms, EULA)
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2026-02-09 23:38:05 -08:00

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cmux

A Ghostty-based macOS terminal with vertical tabs and notifications for AI coding agents

Download cmux for macOS

cmux screenshot

Features

: Native macOS app — Built with Swift and AppKit, not Electron. Fast startup, low memory.
Vertical tabs — See all your terminals at a glance in a sidebar
Notification panel — See which agents are waiting for input at a glance
Notification rings — Tabs flash when AI agents (Claude Code, Codex) need your attention
Lightweight — Small binary, minimal resource footprint. No bundled browser engine.
GPU-accelerated — Powered by libghostty for smooth rendering

Install

Homebrew:

brew tap manaflow-ai/cmux
brew install --cask cmux

Or download the DMG directly.

Why cmux?

Running multiple AI coding agents? cmux helps you manage them. Instead of losing track of which terminal needs input, the notification panel shows you exactly where to look.

A native macOS app means it launches instantly, uses minimal RAM, and feels right at home on your Mac.

Keyboard Shortcuts

Workspaces

Shortcut Action
⌘ N New workspace
⌘ 18 Jump to workspace 18
⌘ 9 Jump to last workspace
⌘ ⇧ W Close workspace

Surfaces

Shortcut Action
⌘ T New surface
⌘ ⇧ [ Previous surface
⌃ ⇧ Tab Previous surface
⌃ 18 Jump to surface 18
⌃ 9 Jump to last surface
⌘ W Close surface

Split Panes

Shortcut Action
⌘ D Split right
⌘ ⇧ D Split down
⌥ ⌘ ← → ↑ ↓ Focus pane directionally

Browser

Shortcut Action
⌘ ⇧ B Open browser in split
⌘ L Focus address bar
⌘ ] Forward
⌘ R Reload page
⌥ ⌘ I Open Developer Tools

Notifications

Shortcut Action
⌘ ⇧ I Show notifications panel
⌘ ⇧ U Jump to latest unread

Find

Shortcut Action
⌘ F Find
⌘ G / ⌘ ⇧ G Find next / previous
⌘ ⇧ F Hide find bar
⌘ E Use selection for find

Terminal

Shortcut Action
⌘ K Clear scrollback
⌘ C Copy (with selection)
⌘ V Paste
⌘ + / ⌘ - Increase / decrease font size
⌘ 0 Reset font size

Window

Shortcut Action
⌘ ⇧ N New window
⌘ , Settings
⌘ ⇧ R Reload configuration
⌘ Q Quit