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
Sep 19, 2023 12:25am 0 VERSION_BUMP f60603f1
Feb 25, 2023 4:13am 0 VERSION_BUMP c42c94cc
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