A collection of useful React packages and more:

react-context-filter: Allows components to subscribe to just parts of a context, for building high-performance user interfaces.

react-inline-props: Provides a nice syntax for inline property injection, offering an alternative to render-props and render functions.

react-substitute: Allows you to modify, or completely replace, React elements when they are rendered, thus using aspect-oriented programming patterns in React.

react-custom-renderer: Write custom React renderers to re-interpret your components in different contexts

yup-universal-locale: extends yup's means of setting default message strings to cover custom tests

eigenform: (WIP) A powerful and high-performance form system for React, built for seamless integration into existing design systems.

eigenform-demo: (WIP) A simple React app showcasing eigenform functionality.

yup-extensions: (WIP) some useful validation methods for yup