LoadJS is a tiny async loading library for modern browsers. It has a simple yet powerful dependency management system that lets you fetch files in parallel and execute code after the dependencies have been met.
Spectacle is a React-powered presentation library. With Spectacle you can write slides with JSX. It supports a presenter view, so you can see the next side and the current time. If you’re currently addicted to React then this will probably be preferable to messing around in Keynote/PowerPoint/etc.
Swagger is a simple yet powerful representation of your RESTful API. With the largest ecosystem of API tooling on the planet, thousands of developers are supporting Swagger in almost every modern programming language and deployment environment
14. Closure Library