Zellij Has a Free Terminal Multiplexer — Modern tmux Alternative with Built-in Layouts

Zellij is a terminal workspace manager — split your terminal into panes and tabs with a modern, discoverable interface.

What You Get for Free

• Panes — split horizontally and vertically
• Tabs — organize panes into named tabs
• Layouts — save and restore workspace layouts
• Floating panes — overlay panes on top of others
• Sessions — detach and reattach (like tmux)
• Plugins — WASM-based plugin system
• Status bar — shows shortcuts, tabs, and mode
• Mouse support — click to focus, drag to resize
• Scrollback — search through terminal output
• Discoverable — keybindings shown on screen

Quick Start

brew install zellij
zellij  # start a new session

# Key shortcuts (shown on status bar):
# Ctrl+p → pane mode: split, move, resize
# Alt+n → new pane
# Alt+[ / Alt+] → switch tabs
# Ctrl+s → scroll mode (search terminal output)
# Ctrl+o → session mode (detach, rename)

// layout.kdl — define custom workspace
layout {
    pane split_direction="vertical" {
        pane command="nvim" // editor on left
        pane split_direction="horizontal" {
            pane command="npm" args=["run" "dev"] // dev server
            pane // empty terminal for commands
        }
    }
}

Why Developers Switch from tmux

tmux has a steep learning curve and no visual feedback:

• Discoverable — shortcuts shown on screen, not memorized
• Layouts — KDL layout files, not tmux's arcane syntax
• Floating panes — overlay panes without rearranging
• WASM plugins — write plugins in Rust, Go, or any WASM language

A developer spent weeks memorizing tmux keybindings. With Zellij: productive in 5 minutes — status bar shows every shortcut, no memorization needed.

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