websocketd ☆

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Description:
WebSockets the Unix way

Type: Formula | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: Developer tools

Tags: websocket server cli realtime unix

Install: brew install websocketd

About:
Websocketd is a command-line tool that turns any executable program into a WebSocket server. It launches your backend script and transparently maps WebSocket traffic to standard input/output streams. This enables real-time, bidirectional communication between web browsers and Unix processes with minimal code.

Key Features:

Turns any executable into a WebSocket server
Automatic stdin/stdout to WebSocket mapping
Built-in traffic logging and debugging
Lightweight and dependency-free
Supports CGI-style concurrency

Use Cases:

Building real-time dashboards from shell scripts
Creating live data feeds from command-line tools
Prototyping WebSocket APIs without writing server code
Streaming output from long-running processes

Alternatives:

ws – Node.js-based WebSocket wrapper; requires Node runtime
socat – General-purpose socket relay; more complex setup for WebSockets

Version History

Detected	Version	Rev	Change	Commit
Sep 11, 2025 8:56pm		0	VERSION_BUMP	10ed97a8