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.
Bootstrap Alternatives & Competitors
The best Bootstrap alternatives based on verified products, community votes, reviews and other factors.
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Open-Source 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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/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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Try for freeFlagsmith lets you manage feature flags and remote config across web, mobile and server side applications. Deliver true Continuous Integration. Get builds out faster. Control who has access to new features. We're Open Source.
Key Flagsmith features:
Feature Flags Remote Config A/B/X Testing & Optimization Organization Management
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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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/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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/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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/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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/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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/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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/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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/ant-design-alternativesAn enterprise-class UI design language and React implementation with a set of high-quality React components, one of best React UI library for enterprises.
Key Ant Design features:
Comprehensive Component Library Design System Responsive and Adaptive Internationalization Support
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/jquery-mobile-alternativesjQuery Mobile.
Key jQuery Mobile features:
Cross-Platform Compatibility Ease of Use Theme Customization Extensive UI Components
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.