wmux

A terminal multiplexer for Windows, heavily inspired by tmux. Built on top of the Windows ConPTY API and .NET 10.

Useful for running many claude instances in a single powershell terminal side by side.

<img width="1635" height="976" alt="image" src="https://github.com/user-attachments/assets/7680baa2-1b90-4ca5-afa6-e8429ae11704" />

Quickstart

Download the latest executable from the releases page and add it to your PATH. Then run wmux in your terminal to start a new session.

Features

• Horizontal & vertical pane splits
• Multiple windows and sessions

Key Bindings

| Sequence | Action | |----------|--------| | za s | Split horizontally | | za v | Split vertically | | za ! | Send current pane to new window | | za [ | Enter select mode | | za [hjkl] | Navigate panes | | za [ArrowKeys] | Navigate panes | | za c | New window | | za n/p | Next/previous window | | za d | Detach terminal from wmux session | | za x | Kill current pane/window/session | | za : | Command mode |

Todo

• Interactive session selector
• Investigate compatibility with different powershell versions.
• Read configuration from wmux.yml

License

ISC Copyright (c) 2026, César Bravo Molina