V7 is a JavaScript engine written in C. It makes it possible to program Internet of Things (IoT) devices in JavaScript. V7 features are:

• Cross-platform: works on anything, starting from Arduino to MS Windows
• Small size. Compiled core is in 40 KB - 200 KB range
• Simple and intuitive C/C++ API. It is easy to export existing C/C++ functions into JavaScript environment
• Standard: V7 aims to implement JavaScript 5.1 and pass standard ECMA tests
• Performance: V7 aims to be the fastest non-JIT engine available
• Usable out-of-the-box: V7 provides an auxiliary library with Hardware (SPI, UART, etc), File, Crypto, Network API
• Source code is both ISO C and ISO C++ compliant
• Very easy to integrate: simply copy two files: v7.h and v7.c into your project

• User Guide - Detailed User Guide and API reference
• examples - Collection of well-commented examples

People who have agreed to the Cesanta CLA can make contributions. Note that the CLA isn't a copyright assigment but rather a copyright license. You retain the copyright on your contributions.

V7 is released under commercial and GNU GPL v.2 open source licenses. The GPLv2 open source License does not generally permit incorporating this software into non-open source programs. For those customers who do not wish to comply with the GPLv2 open source license requirements, Cesanta offers a full, royalty-free commercial license and professional support without any of the GPL restrictions.