ChakraCore
ChakraCore is an open source Javascript engine with a C API
... that. ChakraCore is planned to continue as a community project targeted primarily at embedded use cases. We hope to produce future releases with new features and enhancements to support such use cases. You can build ChakraCore on Windows 7 SP1 or above, and Windows Server 2008 R2 or above, with either Visual Studio 2015 or 2017 with C++ support installed.