V7: Embedded JavaScript engine

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

Examples & Documentation

• Developer Centre - User Guide and API reference
• Examples - Collection of well-commented examples
• Support Forum - Ask questions on our support forum

Contributions

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.

Licensing

V7 is released under commercial and GNU GPL v.2 open source licenses.

Commercial Projects: Once your project becomes commercialised GPLv2 licensing dictates that you need to either open your source fully or purchase a commercial license. Cesanta offer full, royalty-free commercial licenses without any GPL restrictions. If your needs require a custom license, we’d be happy to work on a solution with you. [Contact us for pricing.] (https://www.cesanta.com/contact)

Prototyping: While your project is still in prototyping stage and not for sale, you can use V7’s open source code without license restrictions.