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

  • Materialize icon

    Materialize

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

    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

  • 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

  • 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

  • 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

  • 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

  • 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

  • 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

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  • Bulma icon

    Bulma

    A modern CSS framework based on Flexbox

    Open Source Web / Cloud Self-Hosted

  • metro-bootstrap

    Simple bootstrap from Twitter with Metro style.

    Open Source Web / Cloud Bootstrap

  • MUI icon

    MUI

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

    Open Source Web / Cloud

  • 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

  • Refills

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

    Open Source Web / Cloud

  • Blaze CSS icon

    Blaze CSS

    Open source modular CSS framework providing great structure for building websites quickly

    Open Source Mac Windows Linux Self-Hosted

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  • yeti.css icon

    yeti.css

    yeti.css is a pattern library consisting of lightweight, reusable modules. It has been built to reflect &yet's visual and...

    Open Source Mac Windows Linux 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

  • 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

  • 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

  • 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

  • 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

  • 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

  • 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

  • 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

  • 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

  • SimpleGrid

    Responsive. Infinite nesting. One class per element. Simple.

    Open Source Web / Cloud

  • These alternatives are not yet approved, do you think they are alternatives?

Bootstrap Comments

Great way to start learning

Comment by nolerey
about Bootstrap Mar 2016

Bootstrap is a great way to delve into the world of programming and design. Extremely easy and self-intuitive, the program is a must for all interested in the field. Not only is it super straight-forward, but creates clean, simple and nice products.

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Seems like the most solid framework for responsive webdesign

Comment by Thelle
about Bootstrap Dec 2012

Twitter Bootstrap seems like the most solid and adopted framework for building responsive websites. Will try it out someday!

Reply