Terminal Multiplexer
Replace tmux with a native macOS terminal multiplexer featuring vertical tabs and split panes. Built on Ghostty-grade rendering.
Why imux?
Unlike tmux, imux is a native macOS app with Ghostty-grade rendering, vertical workspaces tabs, and GUI split panes that feel natural.
Key Features
- Native macOS performance with Ghostty rendering
- Vertical workspace tabs with drag-and-drop
- Horizontal and vertical split panes
- Session persistence across restarts
- Notification rings for workspace activity
Getting Started
Create Workspaces
Press Cmd+T to create new workspace tabs. Each workspace is an independent terminal environment with its own layout.
Split Panes
Press Cmd+D to split panes horizontally. Use Cmd+Shift+D for vertical splits. Arrange your terminal layout to match your workflow.
Navigate and Resize
Click between panes to focus, drag pane borders to resize, and use the sidebar to see an overview of all your workspaces.
Persist and Restore
Close imux and your workspace layout, terminal sessions, and scrollback are saved. Reopen to pick up exactly where you left off.
FAQ
How does imux compare to tmux?
imux is a native macOS app with GPU-accelerated Ghostty rendering, whereas tmux runs inside a terminal emulator. imux provides a native UI with clickable tabs, drag-to-resize panes, and macOS-native keyboard shortcuts. Session persistence is built-in without needing tmux plugins.
Can I use imux alongside tmux?
Yes. You can run tmux inside an imux terminal pane if you prefer tmux's session model. Many users run tmux locally and use imux's workspace features for organization.
Does imux support scrollback search?
Yes. imux supports scrollback search with Cmd+F, including regex and case-sensitive options. Search results are highlighted across your entire scrollback buffer.
What terminal features are supported?
imux is powered by Ghostty's rendering engine, so it supports GPU acceleration, ligatures, true color, image protocols, and all modern terminal features.