Cardinal CSS Alternatives & Competitors

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

Key Purecss features:

Lightweight Responsive Modular Easy Integration

Open Source

A modern responsive front-end framework based on Material Design.

Key Materialize CSS features:

Responsive Design Material Design Component Variety Customization

Open Source

Prompt organization and AI enhancement. Engineer prompts with 1 click.

Key Promptaa features:

AI Enhance AI XML Enhance Version History Categories

Visit website freemium $5.0 / Monthly (Pro)

Simple and flexible HTML, CSS, and JS for popular UI components and interactions.

Key Bootstrap features:

Responsive Design Pre-designed Components Cross-browser Compatibility Extensive Documentation

Open Source

A lightweight and modular front-end framework for developing fast and powerful web interfaces.

Key UIKit features:

Modularity Extensive Documentation Responsive Design Customization

Open Source

A Beautiful Boilerplate for Responsive, Mobile-Friendly Development.

Key Skeleton CSS features:

Lightweight Simplicity Responsive Grid Clean Design

Open Source

The most advanced responsive front-end framework in the world.

Key Foundation features:

Customizability Responsive Design Semantic Code Range of Components

Open Source

Bulma 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

Open Source

Mockingbird helps you you create and share clickable wireframes. Use it to make mockups of your website or application in minutes.

Key mockingbird features:

User-Friendly Interface Collaboration Features Cloud-Based Access Interactive Prototypes

Open Source

JS-powered run-time CSS.

A utility-first CSS framework for rapidly building custom user interfaces.

Key Tailwind CSS features:

Utility-First Approach Customization Consistent Design Responsive Design

Open Source

Duolingo is a free language learning app for iOS, Windows and Android devices. The app makes learning a new language fun by breaking learning into small lessons where you can earn points and move up through the levels. Read more about Duolingo.

Key Duolingo features:

Gamification Accessibility Free Tier Variety of Languages

The only Customer Service Success Program specifically designed for eCommerce and retail brands.

Key ROBIN Customer Service features:

AI-Driven Automation Personalized Customer Experience 24/7 Availability Multi-Channel Support

A 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

Open Source free