HTML5 structures web content, providing a foundation for modern websites. CSS3 styles this content, adding layout, animation, and responsive design features. JavaScript adds interactivity, powering dynamic and engaging user experiences. Material UI offers pre-built React components following Google’s Material Design for sleek interfaces. Bootstrap simplifies responsive design with its extensive grid system and components, while Tailwind CSS provides utility-first styling for greater control. React JS builds reusable, dynamic UI components, and Next.js enhances React with server-side rendering and optimized performance for scalable, SEO-friendly applications.