Show HN: Remux – an open-source tmux workspace designed for iPhone

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GitHub - h3nock/remux: Native iOS tmux client with a mobile-first UI for persistent terminal sessions. · GitHub

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Remux

A native iOS client for remote tmux workspaces.

remux-readme.mp4

Join the beta on TestFlight

About

Remux is a native iOS client for remote tmux workspaces, built on Ghostty.<br>It brings tmux's session, window, and pane model into a mobile-first<br>interface. It previews files and running dev servers straight from the<br>terminal, and uploads photos and files, with markup for images.

Features

tmux sessions : Attach to running sessions or start new ones.

Windows and panes : Swipe between windows, pick panes from a bottom<br>sheet with live previews, and split, zoom, or close them.

Shortcut palette : Run saved commands with a tap. Starter sets cover<br>shell, Claude Code, and Codex, and you can add your own commands and<br>groups.

Attachments : Upload photos and files to the server, with markup for<br>images. The remote path is typed at the prompt.

File preview : Long-press a path in terminal output to preview it:<br>code, images, PDFs, or HTML pages.

Localhost preview : Long-press a localhost URL to open the dev server<br>running on the remote machine, hot reload and WebSockets included.

Cursor control : Hold the space bar or long-press in the terminal,<br>then drag to place the cursor.

Direct SSH : Remux connects straight to the server, with no relay and<br>no account. Passwords and private keys are stored in the iOS Keychain,<br>and trusted host keys are remembered.

Themes : Ghostty default, Catppuccin Mocha, and Catppuccin Latte,<br>with adjustable font size.

Installation

Remux is available as a public beta on TestFlight:<br>testflight.apple.com/join/fHqG1ruE.<br>You can also build from source.

Building from Source

Requirements:

Xcode with iOS 18 SDK support

XcodeGen

Fetch the prebuilt GhosttyKit framework:

scripts/fetch_ghosttykit.sh

Generate the Xcode project and build:

xcodegen generate

xcodebuild build \<br>-project Remux.xcodeproj \<br>-scheme Remux \<br>-destination 'generic/platform=iOS Simulator'

Run the tests:

xcodebuild test \<br>-project Remux.xcodeproj \<br>-scheme Remux \<br>-destination 'platform=iOS Simulator,name=iPhone 17,OS=latest'

To build GhosttyKit yourself instead of fetching it, see<br>remux-ghostty and<br>scripts/build_release_ghosttykit.sh.

Acknowledgments

Remux is built on Ghostty's<br>terminal core and uses Citadel<br>for SSH.

About

Native iOS tmux client with a mobile-first UI for persistent terminal sessions.

getremux.app/

Topics

tmux

ssh

ios

terminal

swiftui

mobile-terminal

libghostty

Resources

Readme

License

MIT license

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Languages

Swift<br>91.9%

Python<br>4.7%

Shell<br>1.7%

Other<br>1.7%

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