jerryscript ☆
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Description:
Ultra-lightweight JavaScript engine for the Internet of Things
Type: Formula  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  formulae.brew.sh
Category: Developer tools
Tags: javascript iot embedded javascript-engine firmware
Install: brew install jerryscript
About:
JerryScript is a complete JavaScript engine specifically designed for resource-constrained devices like microcontrollers. It features a memory footprint of under 200KB and supports the ECMAScript 5.1 standard. This enables developers to run JavaScript code directly on IoT hardware with limited RAM and storage.
Key Features:
  • Ultra-low memory footprint (< 200KB RAM)
  • ECMAScript 5.1 compliant
  • On-device compilation and execution
  • C API for native bindings
Use Cases:
  • IoT device firmware development
  • Embedded systems scripting
  • Smart home device automation
Alternatives:
  • quickjs – QuickJS is more feature-complete but has a larger footprint
  • node – Node.js is for desktop/servers, not suitable for embedded devices
Version History
Detected Version Rev Change Commit
Sep 12, 2025 12:37pm 0 VERSION_BUMP 76ddfee0
Sep 14, 2024 9:40am 0 VERSION_BUMP be18d922
Oct 1, 2023 7:12am 0 VERSION_BUMP 93a2f579
Nov 22, 2022 4:25am 0 VERSION_BUMP 7ed46de8
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