mongrel2 ☆

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Description:
Application, language, and network architecture agnostic web server

Type: Formula | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: Networking

Tags: web-server websocket zeromq http realtime networking

Install: brew install mongrel2

About:
Mongrel2 is a high-performance web server designed for modern application architectures. It uniquely supports multiple programming languages and protocols, including HTTP, WebSockets, and ZeroMQ, allowing developers to build scalable systems using any language. Its event-driven core handles massive concurrency efficiently while providing robust security and traffic control features.

Key Features:

Language-agnostic request handling
Native WebSocket and ZeroMQ support
Event-driven, non-blocking I/O core
Built-in traffic shaping and security rules
Simple configuration using a single language

Use Cases:

Serving real-time web applications via WebSockets
Building API gateways for microservices
Hosting applications written in any language (Python, Ruby, C, etc.)
Creating scalable chat or notification systems

Alternatives:

nginx – Nginx is a general-purpose server focused on HTTP, while Mongrel2 integrates ZeroMQ and multi-language support natively.
Apache – Apache uses a module-based architecture, whereas Mongrel2 uses a proxy-based model to separate application logic from the web server.

Version History

Detected	Version	Rev	Change	Commit
Sep 13, 2025 11:05am		0	VERSION_BUMP	63468d7e
Sep 29, 2024 9:10pm		0	VERSION_BUMP	a24c3479