A Blazing Fast, Enterprise-Grade Web Components Foundation
...Shape the framework through your pull requests and help push native Web Components forward. Use the latest web standards to build robust components that run in modern browsers and IE 11. Follow the instructions in your terminal. For Select a type of project, choose Single Page App and choose LWC as the variant.
ChakraCore is an open source Javascript engine with a C API
...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.