Promise based HTTP client for the browser and node.js
cdnjs is a free distributed JS library delivery service.
Choices.js is a lightweight, configurable select box/text input plugin.
Glide.js is a dependency-free JavaScript ES6 slider and carousel.
Google Analytics is a free web analytics service that tracks and reports website traffic.
JSDelivr is a free public CDN for open-source projects. It can serve web files directly from the npm registry and GitHub repositories without any configuration.
Open Graph is a protocol that is used to integrate any web page into the social graph.