flexible.gs
Flexible Grid System CSS
18 Alternatives To flexible.gs
BEM
BEM — Block Element Modifier is a methodology, that helps you to achieve reusable components and code sharing in the front-end.
Bootstrap
Simple and flexible HTML, CSS, and JS for popular UI components and interactions
Bulma
Bulma is an open source CSS framework based on Flexbox and built with Sass. It’s 100% responsive, fully modular, and available for free.
Foundation
The most advanced responsive front-end framework in the world
Java
A concurrent, class-based, object-oriented, language specifically designed to have as few implementation dependencies as possible
Material Design
Google Material Design
Material Design Lite
Material Design Lite Components in HTML/CSS/JS
Material Design for Angular
Material Design for AngularJS Apps
Material-UI
A CSS Framework and a Set of React Components that Implement Google’s Material Design
Polymer
Polymer is a library that uses the latest web technologies to let you create custom HTML elements.
Purecss
A set of small, responsive CSS modules that you can use in every web project.
Quasar Framework
SPA front-end on steroids.
SQLite
SQLite Home Page
Semantic UI
A UI Component library implemented using a set of specifications designed around natural language
UIKit
A lightweight and modular front-end framework for developing fast and powerful web interfaces
Vuetify
Material Component Framework for VueJS 2