---
name: "gtk4-broadwayd"
section: "1"
platform: "linux"
package: "gtk4"
version: "1:4.24.1-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/gtk4-broadwayd"
---

# gtk4-broadwayd(1)

The Broadway display server

## Name

gtk4-broadwayd - The Broadway display server

## SYNOPSIS

```
gtk4-broadwayd [OPTIONS...] <DISPLAY>
gtk4-broadwayd --port=PORT --address=ADDRESS <DISPLAY>
gtk4-broadwayd --unixaddress=ADDRESS <DISPLAY>
```

## DESCRIPTION

**gtk4-broadwayd** is a display server for the Broadway GDK backend. It allows multiple GTK applications to display their windows in the same web browser, by connecting to gtk4-broadwayd.

When using gtk4-broadwayd, specify the display number to use, prefixed with a colon, similar to X. The default display number is 0.

```
gtk4-broadwayd :5
```

Then point your web browser at **http://127.0.0.1:8085**.

Start your applications like this:

```
GDK_BACKEND=broadway BROADWAY_DISPLAY=:5 gtk4-demo
```

## OPTIONS

- **--port PORT**

  Use the given **PORT** for the HTTP connection, instead of the default **8080 + (DISPLAY - 1)**.

- **--address ADDRESS**

  Use the given **address** for the HTTP connection, instead of the default **http://127.0.0.1**.

- **--unixsocket ADDRESS**

  Use the given **address** as the unix domain socket address. This option overrides **--address** and **--port**, and it is available only on Unix-like systems.