Bootstrap
Simple and flexible HTML, CSS, and JS for popular UI components and interactions.
Some of the top features or benefits of Bootstrap are: Responsive Design, Pre-designed Components, Cross-browser Compatibility, Extensive Documentation, Community Support, Customizable, and CDN Support. You can visit the info page to learn more.
A startup from the United States.
Bootstrap Alternatives & Competitors
The best Bootstrap alternatives based on verified products, community votes, reviews and other factors.
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Open-Source Alternatives.
EU Alternatives.
Latest update:
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/tailwind-css-alternativesA utility-first CSS framework for rapidly building custom user interfaces.
Key Tailwind CSS features:
Utility-First Approach Customization Consistent Design Responsive Design
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/foundation-alternativesThe most advanced responsive front-end framework in the world.
Key Foundation features:
Customizability Responsive Design Semantic Code Range of Components
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Try for freeExercise dataset for fitness apps: transparent background, animations, no subscription.
Key RepDB features:
WebP Format Benefits JSON Transparency Animations
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/materialize-css-alternativesA modern responsive front-end framework based on Material Design.
Key Materialize CSS features:
Responsive Design Material Design Component Variety Customization
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/bulma-alternativesBulma is an open source CSS framework based on Flexbox and built with Sass. It's 100% responsive, fully modular, and available for free.
Key Bulma features:
Simple and Elegant Design Responsive Layouts Ease of Use BEM Methodology
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/semantic-ui-alternativesA UI Component library implemented using a set of specifications designed around natural language.
Key Semantic UI features:
Intuitive Class Names Customizability Comprehensive Components Flexibility
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/uikit-alternativesA lightweight and modular front-end framework for developing fast and powerful web interfaces.
Key UIKit features:
Modularity Extensive Documentation Responsive Design Customization
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/react-alternativesA JavaScript library for building user interfaces.
Key React features:
Component-Based Architecture Virtual DOM Strong Community and Ecosystem JSX Syntax
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/material-ui-alternativesA CSS Framework and a Set of React Components that Implement Google's Material Design.
Key Material UI features:
Comprehensive Component Library Customizability Active Community and Support Improved Productivity
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/skeleton-css-alternativesA Beautiful Boilerplate for Responsive, Mobile-Friendly Development.
Key Skeleton CSS features:
Lightweight Simplicity Responsive Grid Clean Design
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/sass-alternativesSyntatically Awesome Style Sheets.
Key Sass features:
Nesting Variables Mixins Partials and Import
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/jquery-mobile-alternativesjQuery Mobile.
Key jQuery Mobile features:
Cross-Platform Compatibility Ease of Use Theme Customization Extensive UI Components
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/purecss-alternativesA set of small, responsive CSS modules that you can use in every web project.
Key Purecss features:
Lightweight Responsive Modular Easy Integration
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/phonegap-alternativesEasily create apps using the web technologies you know and love: HTML, CSS, and JavaScript.
Key PhoneGap features:
Cross-Platform Development Leverages Web Technologies Access to Native APIs Large Plugin Library
Bootstrap is a great framework. I used to use it with every project. However, at some point it was very difficult to customize. So I slowly migrated to Bulma. Nowadays... I use mostly Tailwind.
Note: the last version that I've used is 3.x, so things might have changed since then. I just checked and the latest version is 5.x.