JerryScript

JerryScript is an ultra-lightweight JavaScript engine for Internet of Things. It is capable of compiling and executing ECMAScript 5.1 source code on systems with less than 64 KB of total memory.

Key features of JerryScript

Full ECMAScript 5.1 standard compliance
170K ARM-Thumb2 binary size
Low-memory consumption, high performance
Standard C99 source code
Snapshot support for executing JavaScript source code without compiling it
Mature embedding API
- Projects such as IoT.js (https://github.com/Samsung/iotjs) is built upon JerryScript

The engine is open sourced on GitHub (https://github.com/Samsung/jerryscript) in June, 2015 using the Apache License, Version 2.0. All contributions are welcome.