fennel ☆

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Description:
Lua Lisp Language

Type: Formula | Latest Version: 1.6.0@0 | Tracked Since: Dec 17, 2025

Links: Homepage | formulae.brew.sh

Category: Developer tools

Tags: lisp lua compiler programming-language functional

Install: brew install fennel

About:
Fennel is a Lisp-like programming language that compiles to Lua. It provides the power of Lisp macros and s-expressions while maintaining full compatibility with the Lua runtime and ecosystem. This allows developers to write clean, functional code that seamlessly interoperates with existing Lua libraries.

Key Features:

Zero-runtime overhead compilation to Lua
Full macro support for code abstraction
Seamless interoperability with Lua libraries
Minimal syntax with powerful s-expressions
Runs anywhere Lua runs

Use Cases:

Scripting games and applications with Lua's performance and Lisp's expressiveness
Metaprogramming to reduce boilerplate in Lua codebases
Embedding a functional language in resource-constrained environments

Alternatives:

Lua – Fennel compiles to Lua; Lua is the runtime target with simpler syntax
Scheme – Scheme is a standalone language; Fennel leverages Lua's ecosystem and runtime

License: MIT

Dependencies: lua

Bottles available for: all

Version History

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