Build responsive, mobile-first projects on the web with the world's most popular front-end component library.
Bootstrap is an open source toolkit for developing with HTML, CSS, and JS. Quickly prototype your ideas or build your entire app with our Sass variables and mixins, responsive grid system, extensive prebuilt components, and powerful plugins built on jQuery.
startVal is an open source ultimate jQuery slider plugin. It's a lightweight, fast and customizable slider.
Siema is a lightweight carousel plugin with no dependencies and no styling. It is 100% open source - free to use on personal and commercial projects.
PulltoRefresh.js is a quick and powerful plugin for your pull-to-refresh needs in your webapp.
It has a plugin-based architecture, first-class support for resumable uploads according to the open standard: tus, and custom encoding backends, making it extensible and robust.
Quill is a modern rich text editor built for compatibility and extensibility. It's a free, open source WYSIWYG editor built for the modern web.
It's open-source (MIT), free and easy to use.
plotly.js ships with 20 chart types, including 3D charts, statistical graphs, and SVG maps.
Paper.js is an open source vector graphics scripting framework that runs on top of the HTML5 Canvas.
It offers a clean Scene Graph / Document Object Model and a lot of powerful functionality to create and work with vector graphics and bezier curves, all neatly wrapped up in a well designed, consistent and clean programming interface.
Chart.js is a simple, clean and engaging charts for designers and developers.