Summary

cmux serves as a robust terminal application built into the Swift framework that integrates seamlessly with Ghostty, allowing agents to run directly from the command line. The system includes a modern vertical tab interface with a sidebar displaying the current Git branch, working directory, and active ports. Users can manage system resources like ports and receive real-time notifications from agents by lighting up their notification rings. A custom browser split the way you would in a web browser, positioned beside your terminal terminal to provide a scriptable API. You can adjust this layout using extensive keyboard shortcuts for workspaces, tabs, and the browser window. The app supports horizontal and vertical panes within each tab and offers a CLI and socket API for full automation. Powered by libghostty, it runs smoothly without the graphical overhead of Electron, making it lightweight while still supporting complex rendering tasks.

Title

cmux — The terminal built for multitasking

Description

Native macOS terminal built on Ghostty. Works with Claude Code, Codex, OpenCode, Gemini CLI, Kiro, Aider, and any CLI tool. Vertical tabs, notification rings, split panes, and a socket API.

Keywords

terminal, vertical, browser, tabs, notification, panes, shortcuts, good, docs, community, native, split, does, work, code, blog, rings

NS Lookup

A 216.150.1.1

Dates

Created 2026-04-12

Updated 2026-04-21

Summarized 2026-04-21