vx: Reusable D3 Visualization Components for React — Brings together d3’s math skills with React’s DOM-updating skills. See some demos here.

The Tao of Redux: Implementation and Intent — A Redux maintainer thoroughly ponders Redux’s implementation, its limitations and constraints.

The Tao of Redux: Practice and Philosophy — A look at common practices that are widely used in Redux apps and why those practices exist.

Convert any major image format into a highly optimized JPEG — Jpeg.io is a free online service for rapidly converting your images into highly optimized JPEGs using proprietery JPEG optimization algorithms. Optimize all your images in one go and greatly speed-up your websites and applications.

Analyzing React’s Source Code for Type Mismatch Operations — Uses a Babel plugin called Runtyper to perform runtime type-checking.