Cmux is a native macOS terminal application developed using Swift and AppKit, featuring vertical tabs, a notification system, and an in-app browser tailored for managing multiple AI coding agents.
Notification SystemDisplay blue rings around windows and illuminated tabs when AI agents require attention, with a central notification panel and quick-access feature for the latest unread messages.
Integrated Web Browser with APIsIncorporates an integrated web browser that can be divided alongside terminal windows, featuring a programmable API compatible with agent-browser for automation and testing purposes.
Intelligent Horizontal DividersDisplays contextual information such as the current Git branch, pull request status, working directory, and listening ports in a vertical sidebar to enhance workspace organization.
Native PerformanceDeveloped using Swift and AppKit rather than Electron, it leverages libghostty's GPU acceleration to achieve smooth rendering and quick boot-up times.