Alternatives to Bootstrap for all platforms with any license

Platforms

Desktop

Mobile

Web / Online

Development

Indie / Classic

Other Platforms

  • Foundation icon

    Foundation

    Foundation is an easy to use, powerful, and flexible framework for building rapid prototypes and production code on any kind of device.

    Open Source Web / Cloud

  • Semantic UI icon

    Semantic UI

    Semantic empowers designers and developers by creating a shared vocabulary for UI.

    Open Source Web / Cloud

  • Skeleton icon

    Skeleton

    Skeleton is a small collection of CSS & JS files that can help you rapidly develop sites that look beautiful at any size, be it a...

    Open Source Web / Cloud

  • UIKit icon

    UIKit

    A lightweight and modular front-end framework for developing fast and powerful web interfaces. ui framework full HTML / CSS...

    Open Source Web / Cloud

  • jQuery Mobile icon

    jQuery Mobile

    A unified, HTML5-based user interface system for all popular mobile device platforms, built on the rock-solid jQuery and jQuery UI...

    Open Source Web / Cloud jQuery

  • Materialize icon

    Materialize

    Materialize is a modern responsive CSS framework based on Material Design by Google

    Open Source Web / Cloud

  • Metro UI CSS icon

    Metro UI CSS

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

    Open Source Web / Cloud LESS jQuery

  • Purecss icon

    Purecss

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

    Open Source Web / Cloud

  • metro-bootstrap

    Simple bootstrap from Twitter with Metro style.

    Open Source Web / Cloud Bootstrap

  • GroundworkCSS icon

    GroundworkCSS

    GroundworkCSS is a 100% free and open source responsive HTML5, CSS and JavaScript Framework.

    Open Source Web / Cloud Self-Hosted

  • Flat UI Pro icon

    Flat UI Pro

    Flat UI Pro is made on the basis of Twitter Bootstrap in a stunning flat-style, and the kit also includes a PSD version for designers....

    Commercial Web / Cloud

  • MUI icon

    MUI

    MUI is a lightweight HTML/CSS/JS framework that follows Google's Material Design guidelines

    Open Source Web / Cloud

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  • Refills

    Refills are prepackaged patterns and components, built on top of Bourbon, Bitters and Neat.

    Open Source Web / Cloud

  • Blueprint icon

    Blueprint

    Welcome to Blueprint! This is a CSS framework designed to cut down on your CSS development time. It gives you a solid foundation to...

    Open Source Web / Cloud

  • Responsable icon

    Responsable Discontinued

    Responsable is a responsive HTML CSS LESS SCSS framework with clean markup, normalized CSS, and responsive images. It allows for...

    Open Source Mac Windows Linux

  • Material Design Lite icon

    Material Design Lite

    Google's front-end web framework for building sites to the Material Design specification.

    Free Web / Cloud

  • Topcoat icon

    Topcoat

    Topcoat is a brand new open source CSS library designed to help developers build web apps with an emphasis on speed. It evolved from...

    Open Source Mac Windows Linux Web / Cloud

  • HTML KickStart

    HTML KickStart is a ultra–lean set of HTML5, CSS, and jQuery (javascript) files, layouts, and elements designed to give you a...

    Free Web / Cloud

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  • Gridlex icon

    Gridlex

    Simple. Robust. Responsive. Flexible. Based on Flexbox (CSS Flexible Box Layout Module), Gridlex is a very simple css grid system...

    Open Source Web / Cloud Self-Hosted

  • Mobile Angular UI icon

    Mobile Angular UI

    Mobile Angular UI is a mobile UI framework just like Sencha Touch or jQuery Mobile. If you know Angular JS and Twitter Bootstrap you...

    Open Source Self-Hosted

  • The Goldilocks Approach

    The Goldilocks Approach to Responsive Web Design - A good starting point for design that takes device resolution out of the equation.

    Open Source Web / Cloud

  • Picnicss

    Advantages Only CSS3 is needed and your HTML5 stays highly semantic*. Under 3kb when minimized and gzipped and under 5kb with all...

    Open Source Web / Cloud

  • 320 and Up

    The ‘tiny screen first’ responsive boilerplate.

    Open Source Web / Cloud

  • Golden Grid System

    A grid system for responsive web design. Includes folding columns, elastic gutters, a zoomable baseline grid, and a delightful grid...

    Open Source Web / Cloud

  • Less Framework icon

    Less Framework

    Less Framework is a CSS grid system for designing adaptive web­sites. It contains 4 layouts and 3 sets of typography presets, all...

    Open Source Web / Cloud

  • Sassy-validation

    Sassy-validation is a Sass data type validation library. Validate inputted data or don’t Sass at all ! Sassy-validation is a...

    Open Source Mac Windows Linux Web / Cloud Android iPhone

  • Bulma icon

    Bulma

    A modern CSS framework based on Flexbox

    Open Source Web / Cloud Self-Hosted

  • Wee icon

    Wee

    Lightweight front-end framework for logically building complex, responsive web projects.

    Open Source Web / Cloud

  • Cascade Framework icon

    Cascade Framework

    Although the overall look and feel are most definitely inspired by Twitter Bootstrap, Cascade framework is not just another Bootstrap...

    Free Web / Cloud

  • inuit.css icon

    inuit.css

    inuit.css is a lightweight, constantly updated CSS framework which provides you with a pragmatic and feature-rich starting point for...

    Open Source Web / Cloud

  • Amazium icon

    Amazium

    960 grid system with 12 columns for Responsive Web Design. PSD file which has the 960 grid setup for you based on 32px...

    Free Web / Cloud

  • Fluid Baseline Grid

    The Fluid Baseline Grid System is an HTML5 & CSS3 development kit that provides a solid foundation to quickly design websites with...

    Open Source Web / Cloud

  • The Semantic Grid System

    Set column and gutter widths, choose the number of columns, and switch between pixels and percentages. All without any .grid_x...

    Open Source Web / Cloud

  • Gridless

    Gridless is an optionated HTML5 and CSS3 boilerplate for making mobile first responsive, cross-browser websites with beautiful...

    Open Source Web / Cloud

  • Frameless

    Dig responsive design? Hate fluid grids? Try a Frameless grid.

    Open Source Web / Cloud