Bootstrap remains one of the most trusted and widely used front-end frameworks in the design world. Built with mobile-first in mind, it features a powerful grid system and a vast collection of ready-to-use components, elements, and plugins — making it ideal for rapid prototyping and responsive design.
From sleek landing pages to detailed admin dashboards, Bootstrap UI kits offer a jumpstart for virtually any web design project. With full responsiveness and clean structure, these kits help you build professional-looking websites that look great on any screen size.
In this post, we’ve curated a selection of the best free Bootstrap UI kits (compatible with both Bootstrap 4 and 5) to streamline your workflow. Whether you’re a designer aiming for aesthetic perfection or a developer focused on functionality — these kits will help you build faster and better.
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1. Pixel – Free Bootstrap 5 UI Kit Packed with 80+ Components
Pixel is a free, modern UI kit built with Bootstrap 5, offering a comprehensive set of tools to help you design and develop websites faster. Inside, you’ll find 80+ responsive UI elements, 50+ pre-made website sections, and 5 ready-to-use page templates — everything you need to jumpstart your next project.
Whether you’re building a personal portfolio, landing page, startup site, or admin panel, Pixel gives you the flexibility and design consistency to do it all with ease.
Download it for free and start creating beautiful, responsive websites today!
2. Bootstrap Startup UI Kit – Clean, Minimal & Perfect for New Projects
3. Stream UI Kit – Elegant & Fully Responsive Bootstrap Template Kit
4. Anchor UI Kit – Free Bootstrap Kit with Modern, Colorful Components
5. Paper Dashboard – Free Bootstrap UI Kit for Admin Panels & Dashboards
6. Froala Design Blocks for Bootstrap
Looking for a comprehensive design solution? This free Bootstrap UI kit delivers over 170 responsive and ready-to-use design blocks — perfect for building modern web and mobile apps with ease.
Inside, you’ll find a wide variety of pre-made sections, including:
Call-to-action blocks
Profile and team sections
Contact forms
Input and form layouts
Headers, footers, and more
Whether you’re building a landing page, business site, or app interface, this kit offers everything you need to prototype faster and design with confidence.
7. NowSquare – Free Collection of Bootstrap 4 Web Blocks
This powerful free UI kit for Bootstrap 4 is built using modern developer tools like Bower, GulpJS, and Sass, making it a great choice for developers and designers who value flexibility and scalability.
Designed with clean, modular code, this collection of web blocks helps you kickstart your design projects with ease. Whether you’re building landing pages, apps, or custom components, the kit is:
Developer-ready with easy setup
Fully customizable to match your brand or product
Optimized for performance with Gulp-based workflows
Perfect for rapid prototyping or production-ready builds, this kit helps you save time while keeping full control of your codebase.
Download it free and start creating faster with modern tools and Bootstrap 4 compatibility.
8. Now Free UI Kit for Bootstrap 4
Now UI Kit – Free Responsive Bootstrap 4 Kit by Invision & Creative Tim
Now UI Kit is a beautifully designed, fully responsive Bootstrap 4 UI kit offered for free by Invision and Creative Tim. It includes more than 50 custom UI elements, along with 3 professionally designed page templates to help you build sleek, modern websites quickly.
Whether you prefer working with PSD, Sketch, or HTML, this kit has you covered — making it a versatile choice for both designers and developers.
Key features:
50+ ready-to-use UI components
3 full page layouts
Available in PSD, Sketch, and HTML formats
Optimized for mobile and desktop
Perfect for landing pages, portfolios, and startup sites.
Download Now UI Kit for free and start creating stunning interfaces today.
9. Drunken Parrot Lite Bootstrap 4 UI Kit
This free Bootstrap UI kit is designed to make your design process faster and more flexible. It includes both HTML and PSD source files, allowing you to easily customize layouts, styles, and elements to fit your project needs — whether you’re coding or designing visually.
Kit Highlights:
Includes editable PSD files for full design control
Clean, modular HTML files ready to deploy
A variety of components and pre-built pages
Lightweight and optimized for fast performance
Whether you’re building a landing page, dashboard, or product site, this kit helps you prototype and launch in no time.
Download the kit now and start crafting your next web experience.
10. Shards Free Bootstrap 4 UI Kit
Shards UI Kit is a modern and lightweight free Bootstrap 4 kit packed with features to help you design faster. It comes with 10 custom-built UI components and 2 ready-to-use landing page templates, making it perfect for startups, portfolios, and web apps.
One of the standout features of this kit is its built-in icon library — you’ll get access to over 1,500 icons from both Material Icons and Font Awesome, giving you total flexibility in design.
Key Highlights:
10 additional UI components
2 polished landing page templates
1,500+ Material + FontAwesome icons
Clean, minimal design style
Optimized for performance and mobile responsiveness
Download Shards for free and streamline your next design project with style and speed.
11. Anchor – Free Bootstrap 4 UI Kit
Anchor UI Kit is a free Bootstrap-based design toolkit that includes a wide range of ready-to-use and fully customizable UI components. Its flexible structure makes it ideal for speeding up your web development process without compromising on design quality.
Featuring a fresh and colorful modern aesthetic, Anchor is perfect for building responsive websites, landing pages, dashboards, and web apps with ease.
Key Features:
Built with Bootstrap
Modern, colorful visual style
Flexible components for easy customization
Designed to accelerate development workflows
Download Anchor for free and kickstart your next web project with polished UI elements.
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