Purecss

A set of small, responsive CSS modules that you can use in every web project.

Bootstrap

Simple and flexible HTML, CSS, and JS for popular UI components and interactions

Bulma is an open source CSS framework based on Flexbox and built with Sass. It’s 100% responsive, fully modular, and available for free.

DataTables is a plug-in for the jQuery Javascript library.

Element, a Vue 2.0 based component library for developers, designers and product managers.

The most advanced responsive front-end framework in the world

Simple. Robust. Responsive. Flexible.

Responsive HTML5, CSS and JavaScript Framework

A rock-solid default for HTML5 awesome.

Material Design Lite Components in HTML/CSS/JS

Material Design for Bootstrap is a Bootstrap compatible theme for use in Bootstrap based application.

A CSS Framework and a Set of React Components that Implement Google’s Material Design

Metro UI CSS a set of styles to create a site with an interface similar to Windows 8.

NetApp offers storage and data management solutions that enable customers to accelerate business innovations and achieve cost efficiencies.

Nimble is the only solution to offer small businesses the best features of high-end CRM systems combined with the power of social media.

Ruby on Rails is an open source full-stack web application framework for the Ruby programming…

A UI Component library implemented using a set of specifications designed around natural language

Spectre is a web application to diff screenshots.

A lightweight and modular front-end framework for developing fast and powerful web interfaces