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cmux

CLI & Terminal

A Ghostty‑based macOS terminal that adds vertical tabs, notification rings for AI coding agents, an in‑app browser, SSH workspaces and native performance

Swift Latest v0.64.20 · 7d ago Security brief →

Features

  • Notification rings alert you when AI agents need input
  • Unified notification panel to view pending alerts and jump between them
  • Built‑in scriptable browser that can be split alongside terminal panes
  • Vertical and horizontal tab layout with sidebar showing git branch, PR status, working directory, ports and notifications
  • SSH workspace integration for remote sessions with automatic localhost tunneling

Recent releases

View all 49 releases →
No immediate action
v0.64.20 Mixed

TUI parity, iOS updates, TestFlight workflow

Review required
v0.64.18 Breaking risk
Auth Breaking upgrade

Breaking changes — review before upgrading.

No immediate action
v0.64.17 Mixed

tmux mirroring, CI overhaul, iOS UI, browser, workspaces

No immediate action
v0.64.16 New feature

iOS UI, TerminalCore, GitMetadata, IPC, DevicePresence, EnvVars

No immediate action
v0.64.15 Mixed

iOS UI, CodeRabbit, Sentry, cmux CLI, CI

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About

Stars
24,782
Forks
2,023
Languages
Swift TypeScript Python
Downloads/week
68 ↓32%
NPM Maintainers
2
Contributors
132

Install & Platforms

Install via
brew
Platforms
macos

Community & Support

Beta — feedback welcome: [email protected]