20+ Top Free UI Kits for 2023 (Bootstrap and WordPress-Friendly)

There are many ways to customize a website and tweak it to look like you originally imagined. In today’s business market, there’s no place for settling for the second best. When it comes to building your online appearance, you should never allow yourself to compromise. You either find the perfect theme for your site or you have one tailor made. And this is where the top free UI kits come into play.

If you want to improve your website’s design, we really do recommend UI kits as an alternative starting point to a total from-scratch approach. The top free UI kits out there consist of a number of individual elements that can be put in place in various ways. They’re not whole templates or themes, so you can take even a single widget or element, and integrate it with your current design however you see fit.

To make this easier for you, we’ve compiled a list of the top free UI kits in the market. They’re built on top of Bootstrap, which will make them easier to integrate with modern website structures and CMS (like WordPress).

Since these UI kits are free, you can experiment with them guilt-free. Go through the list and let us know which one is your favorite. The kits are diverse and provide you with all kinds of different elements.

• 50 handcrafted components.
• Three customized plugins.
• Fully responsive components.
• Pale colors.
• Three pre-built pages.
• Customizable text and images.
• Buttons, links, menus, tooltips, progress bars, labels and more.

• Based on Bootstrap 4 framework.
• Lightweight and responsive.
• Modern design system with smooth micro-interactions.
• 10 extra custom components.
• Two custom pre-built landing pages.
• Material and Font Awesome icon packs.
• Original source files included: Sketch and SCSS.

• Free Bootstrap UI kit built with plain JavaScript.
• Free Bootstrap templates, themes, design tools & resources.
• Playground, where you can freely experiment with the code directly in your browser.
• Integration with the most popular backend and CMS technologies such as WordPress, Node.js, PHP, etc.
• Integration with Material Design (a design system created by Google).
• Generate your own shape styles with the shape customization tool.
• 13+ typography styles.
• Built-in support and guidance for customizing colors, typography styles, and corner shapes.
• Developer documentation and code for Android, iOS, the web, and Flutter.
• Component libraries for Android, iOS, Flutter, and the web.
• 700+ UI components and templates.

• Modern and colorful landing pages.
• 80+ layouts in popular categories.
• Tons of elements (scalable and pixel perfect shapes).
• Easy to customize templates.
• Interactive and joyful elements.
• Can be edited via Photoshop and Sketch.

• 50+ elements.
• Three templates.
• Provided in PSD and Sketch formats.
• Three customized plugins.
• Navigation elements, buttons, typography, Javascript components, icons and more.
• Responsive.
• Bold colors.

• Clean and flat design.
• Interface elements for web applications and widgets.
• Responsive template.
• Customizable interface.
• Built on a grid system.
• Menus, progress bars, forms, pricing tables, Twitter feed.
• High resolution elements.

• Mobile friendly.
• Lightweight.
• Built to fit elegant and modern web apps.
• Includes pricing tables, calendars, bars, timelines, tabs and more.
• Color switchers.
• Good for startups, websites, and mobile apps.
• Built on Bootstrap 3.3.0

• Flat, responsive design template.
• Plain and minimal UI Kit.
• Calendar, menus, video player, charts, maps, etc.
• Customizable elements.
• Designed on a grid system.
• Five plugins added.
• Built for e-commerce purposes.

• Clean, flat style.
• Based on Bootstrap 3.
• Includes PSD and HTML.
• Created on 980px grid.
• Drop-downs, colors, checkboxes, thumbnails, alerts, breadcrumbs and more.
• Templates included.

• Over 170 design blocks.
• Built for web and mobile apps.
• Google Fonts.
• Responsive.
• Testimonials, CTA, forms, headers, contacts, pricings, etc.
• Flat and clean designs.
• Built on Froala Sketch library.

• Built on Bootstrap 5.
• 70 handcrafted elements.
• Four example pages.
• Two customized plugins.
• Easy to combine and customize elements.
• Minimalist design with glassmorphism influences.
• Gradients, bold colors, and realistic textures.

• Fluid, responsive layout.
• Clean and flat design.
• Food and drink-related elements.
• Elements for web apps and widgets.
• Easy to customize.
• Calendar, event banner, shopping list, recipe banner, and more.
• Modern and intuitive element design.

• Made on the basis of Bootstrap 3.
• Flat-style design.
• Buttons, inputs, selects, checkboxes, radio buttons, tags, menus, progress bars, etc.
• Original layers for icons included.
• PSD and HTML elements.
• Color swatches with 10 different tones.

• Flat and modern design.
• Built for blogs and magazines.
• Editable interface.
• Responsive layouts.
• Menu, subscription form, social icons, blog posts layouts, sidebar, comments and more.
• Three UI kit formats: mobile, smartphone, and web.
• PSD from GraphicBurger included.

• Built on Bootstrap 5.
• 25 essential UI elements.
• 17+ prebuilt UI blocks.
• Search Engine Optimized code.
• Multilevel dropdown menus.
• SaSS based CSS framework.
• In-built CSS animations.
• Unlimited Google Web Fonts.
• Free Bootstrap 5 UI kit.
• 1 landing page.
• Detailed documentation.
• Elegant grid design.
• Neat data visualization.
• Bright bold colour schemes.
• W3C validated code.

• Fully responsive.
• 50 UI cards in 10 categories.
• Fully customizable layouts.
• HTML and CSS elements.
• Based on Bootstrap 4.
• Multiple pre-made templates.
• Provides site sections for startups.

• Includes elements for apps and widgets.
• Flat and clean designs.
• Customizable interface.
• Designed with flat grid system.
• Responsive layouts.
• High resolution elements.
• Calculator, mobile dialer, music player, mobile keyboard, clock, charts and more.

• Bootstrap 4 components.
• Two plugins included.
• Multiple admin templates.
• Provides charts and graphs for traffic, sales, stats, social media, user activity.
• Sales and data-friendly elements.
• Modern and colorful widgets and icons.
• Modern and intuitive interface.

• Built with Sass.
• Based on the CSS framework Bootstrap 5.
• Comes with all the essential Bootstrap components.
• Provides both compiled and minified variations.
• The design is optimized for mobile.
• Clean and neat code to edit and build on top.
• Well-detailed documentation.
• Form components with basic inputs, checkboxes, and radio buttons.
• Bold colors and typography.
• Three sample pages.
• Cross-browser compatibility.
• Bootstrap 5 UI kit.

• Based on Bootstrap 3 (1170px).
• Over 50 elements.
• Flat, modern style.
• Built for blogging purposes.
• Contains blog post layouts, weather and author widgets, comments forms, social media icons, etc.
• Uses red, grey, and white colors.
• Comes in PSD format.

• Inspired by Google’s material design.
• Two customized plugins.
• 60 components.
• Three templates.
• Javascript components, notification and navigation elements, and basic elements.
• Large scale typography.

• Elements for apps and widgets.
• Clean and responsive layouts.
• Flexible and customizable.
• Flat grid system.
• High resolution elements.
• Calendar, forms, author box, table, audio playlist, news timeline, etc.