Show HN: Terminal Multiplexer Inspired by I3

3mux is a terminal multiplexer with out-of-the-box support for search, mouse-controlled scrollback, and i3-like keybindings. Imagine tmux with a smaller learning curve and more sane defaults.

Features

• i3-like keybindings
• search
• scrollback
• mouse support
  • drag to resize windows
  • click to select window
  • scrollwheel

Key Bindings

Key(s)	Description
Alt+Enter Alt+N	Create a new window
Alt+F	Make the selected window fullscreen. Useful for copying text
Alt+←/↓/↑/→ Alt+h/j/k/l	Select an adjacent window
Alt+Shift+←/↓/↑/→ Alt+Shift+h/j/k/l	Move the selected window
Alt+R	Enter resize mode. Resize selected window with arrow keys or h/j/k/l. Exit using any other key(s)
Alt+/	Enter search mode. Type query, navigate between results with arrow keys or n/N
Scroll	Move through scrollback

Supported tmux Bindings

Key(s)	Description
Ctrl+b "	Split horizontally
Ctrl+b %	Split vertically
Ctrl+b {	Move window left
Ctrl+b }	Move window right

Installation Instructions

1. Install Golang
2. go get github.com/aaronjanse/3mux
3. Run 3mux to launch the terminal multiplexer

Terminal.app

Warning: Arrow-key-controlled window management is currently unsupported on Terminal.app. Please use the default vim-like keybindings instead.
Preferences > Profiles > Keyboard > Use Option as Meta Key

iTerm2

Preferences > Profiles > Keys > Option Key > Esc+

from Hacker News https://github.com/aaronjanse/3mux