get-css-data
A micro-library for collecting stylesheet data from link and style nodes
babel-plugin-shadow-shim
A babel plugin to helps complete apps to run inside a ShadowRoot, by automatically rewriting DOM code to look inside the shadow root.
react-jsx-template
React component for style encapsulation. Create scoped styles within your components, also compatible with material-design styled components. Works with the Shadow DOM API and essentially renders the content of the component within the Shadow DOM.