Paged.js is a free and open-source library that paginates any HTML content to produce beautiful print-ready PDF. The library fragments the content, reads your CSS print declarations and presents a paginated preview in your browser that you can save as PDF.

A beautiful and large components kit for TailwindCSS 2.0. tailwind Kit gives you access to over 200 CSS responsive components, based on Tailwind CSS 2.0 and Font Awesome. It's all free and open-source.

A tiny JavaScript library to easily toggle the state of any HTML element and its targets. Dropdown, navigation button, tooltip, collapsible panel, lightbox, tabs, switch like above… UI components made in minutes without worried about JavaScript. Only set a few HTML attributes, and code the rest with your CSS skills.