Tailwind CSS has evolved a lot since the early v1 and v2 days. With Tailwind CSS 4.1 now the current stable release, most new UI kits are shipping with v4 in mind
Instead of hand crafting every button, hero and pricing section, you can drop in v4 ready components, tweak a few utility classes and ship.
Below you will find 21+ libraries that either:
- Are fully free, or
- Are premium but offer a meaningful set of free components or blocks All of them are compatible with modern Tailwind projects, including v4.
1. Tailkits UI
Type: Free + paid
Stack: HTML + Tailwind
Good for: Landing pages, SaaS, marketing sites
Tailkits UI is a modern Tailwind component library built specifically for Tailwind v4. The landing page highlights Tailwind v4 right in the hero, with an open source repo and FAQ confirming the components work with modern Tailwind (v3+) and have a path into v4 projects.
- 30+ free, MIT licensed components across 20+ categories
- 200+ total sections in the paid plan, covering hero, pricing, FAQ, blog, navbars and more.
- “No config needed” approach using Tailwind’s default utilities, so components drop cleanly into any v4 project
If you want copy paste sections that already feel like polished marketing layouts and do not want to fight config, Tailkits UI is a great first stop.
2. Shadcnblocks
Type: Paid with free blocks
Stack: React, shadcn/ui, Tailwind 4
Good for: Next.js apps built on shadcn/ui
Shadcnblocks is a huge collection of extra blocks built on top of shadcn/ui, and the GitHub readme calls out that it is built with Tailwind 4.
- 55+ free marketing blocks that you can browse and copy from the
freecollection - Hundreds more blocks and 10+ templates in the full product
- Fully compatible with the official shadcn CLI so you can pull blocks directly into your app
If you are already on the shadcn/ui stack and want Tailwind 4 ready blocks instead of building every section yourself, Shadcnblocks is an easy upgrade.
3. Preline UI
Type: Free (dual licensed)
Stack: HTML, Tailwind, optional JS
Good for: Dashboards, apps and marketing sites with a lot of components
Preline UI is an open source collection of prebuilt components for the utility first Tailwind CSS framework, with installation via npm i preline.
- Hundreds of ready components grouped by usability (navigation, forms, overlays and more)
- MIT plus “Preline Fair Use” license, so you can use it in commercial work for free with a few reasonable rules
- Commonly shipped in modern Tailwind 4 starter kits and Astro themes, indicating real world v4 usage
There are some Tailwind 4 specific setup questions on GitHub and StackOverflow, but those usually come down to the new v4 config structure rather than Preline itself.
4. Tailwind Plus
Type: Paid with sample components
Stack: HTML, React, Vue, Tailwind 4.1
Good for: Teams who want official, production ready UI from Tailwind Labs
Tailwind Plus is the official premium UI kit from the makers of Tailwind CSS. It ships with over 500+ UI blocks, full site templates, and a React UI kit called Catalyst.
The compatibility section of the docs states that everything in Tailwind Plus is designed for the latest Tailwind CSS, currently v4.1.
- UI Blocks: 500+ sections for heroes, pricing, dashboards and more
- Templates: full Next.js sites for SaaS, marketing and docs
- UI Kit: Catalyst, a professional grade component system built with React and Tailwind
Although Tailwind Plus does not have a full free tier, you can inspect a number of demo blocks and templates without paying, which can still be useful in v4 projects.
5. Flowbite
Type: Free + paid
Stack: HTML, React, Vue, Svelte + Tailwind
Good for: Component heavy apps that need interactive elements
(Flowbite) is one of the most popular Tailwind component ecosystems. The main site advertises 68+ open source UI components and a separate Pro product with 450+ sections.
Most importantly for you, Flowbite has actively adopted Tailwind 4:
- The team announced that docs and UI components now use Tailwind v4 by default
- Flowbite React has a dedicated compatibility page clarifying support for both Tailwind v3 and v4, with automatic version detection so you do not need manual config switches With its free base library, Pro sections and React specific packages, Flowbite is an excellent choice when you need forms, modals, tables and more that “just work” with Tailwind 4.
6. coss ui
Type: Free and open source
Stack: React, Base UI, Tailwind
Good for: Product UIs and complex apps
coss ui is a collection of beautifully designed, accessible and composable React components, built on top of Base UI and styled with Tailwind CSS.
- Focused on application style components rather than just marketing sections
- Designed to be copy paste friendly so you truly own the code
- Built in the open by the team behind Cal.com, who are progressively adopting coss ui for their platform.
While the docs do not shout “Tailwind 4” everywhere, coss ui is actively developed in 2025, uses Tailwind CSS as its design system and is listed as v4 ready in Tailkits’ directory.
Which Tailwind v4 UI kit should you start with?
For pure HTML sections start with Tailkits UI, for app UIs start with Flowbite or coss ui.
If you are building a marketing site, Tailkits UI, Preline and Shadcnblocks will give you complete flows fast. For dashboard style apps, Flowbite, coss ui and Catalyst from Tailwind Plus are safer bets.
7. FlyonUI
Type: Free + paid
Stack: HTML, Tailwind
Good for: General purpose components with Tailwind 4 support
FlyonUI calls itself “the easiest component library for Tailwind CSS” and appears as a popular free library in Tailkits’ directory.
The FlyonUI docs include an upgrade guide specifically for Tailwind CSS 4, walking through configuration changes when migrating from earlier versions.That is a strong signal of active v4 support.
Use FlyonUI if you want a broad component set that tracks Tailwind’s latest releases closely.
8. Basecoat UI
Type: Free
Stack: HTML + Tailwind
Good for: shadcn style vibes without React
Basecoat UI describes itself as “shadcn/ui without React” and is listed as a free Tailwind component library in Tailkits.
It gives you clean, utility based components that you can drop into any stack, including v4 projects, without pulling in a full React runtime.
9. Htmlwind
Type: Free
Stack: HTML + Tailwind
Good for: Landing pages and marketing components
Htmlwind offers more than 200 responsive Tailwind CSS components, covering common marketing patterns, and is marked as a free library in Tailkits.
Since everything is plain HTML using Tailwind utilities, components adapt easily to the new Tailwind 4 toolchain.
10. SyntaxUI
Type: Free
Stack: React + Tailwind
Good for: React projects that want Tailwind based UI out of the box
SyntaxUI is a free library of Tailwind and React components aimed at rapid builds. Tailkits lists it as a free component library with Tailwind based UI elements.
Combining React components with Tailwind utilities, this is a good fit for dashboards, admin interfaces and startups using React 18 or 19 with Tailwind 4.
11. shadcn components dev
Type: Free
Stack: React, shadcn/ui, Tailwind
Good for: Expanding shadcn/ui with more patterns
shadcn components dev provides 100+ extra shadcn/ui components for Tailwind and React, and is listed in Tailkits as a free resource.
If you are already invested in the shadcn stack, this library adds more building blocks that align well with Tailwind 4 and the new app router patterns in Next.js.
12. Myna UI
Type: Free
Stack: Tailwind, shadcn/ui
Good for: Modern SaaS style UI with shadcn foundations
Myna UI is a Tailwind and shadcn based UI kit, noted as free in the Tailkits directory.
Expect clean, slightly opinionated application UI elements that integrate nicely with Tailwind 4 and shadcn.
13. Tailus UI
Type: Free
Stack: HTML + Tailwind
Good for: Copy paste friendly marketing components
Tailus UI is a free copy paste Tailwind UI kit where components are ready to customize and reuse across stacks. Tailkits lists it as a free Tailwind component library.
Because Tailus focuses on utility classes rather than heavy configuration, its components are straightforward to use in v4 builds.
14. RetroUI
Type: Free
Stack: TypeScript, Tailwind
Good for: Retro themed UIs
RetroUI provides about 40 retro styled Tailwind components with TypeScript support, and is marked free in the Tailkits component library category.
If you want something with a nostalgic aesthetic that still plays nicely with Tailwind 4, RetroUI is fun but practical.
15. Tailwind Background Snippets
Type: Free
Stack: HTML + Tailwind
Good for: Backgrounds, textures and section wrappers
This mini library offers 30+ background snippets for Tailwind, great for differentiating sections without heavy custom CSS. It is listed as a free Tailwind component resource in Tailkits.Tailwind Background Snippets
Use these snippets in any Tailwind 4 project when your layout feels too flat.
16. Worigami
Type: Free
Stack: shadcn/ui + Tailwind
Good for: Rich block sets on shadcn
Worigami gives you over 180 shadcn/ui blocks, and is highlighted as a free, “HOT” component library in the Tailkits catalog.
If you like the shadcn look but want a larger library of ready sections, Worigami pairs nicely with Tailwind 4 and modern Next.js.
17. Bundui
Type: Free
Stack: React, Tailwind, Framer Motion
Good for: Animated marketing sections
Bundui ships animated Tailwind components using Framer Motion. Tailkits lists it as a free component library, ideal when you want subtle animation without wiring everything yourself.
For Tailwind 4 projects that need motion heavy landers, Bundui saves time.
18. KokonutUI
Type: Free
Stack: React, Next.js, Tailwind
Good for: React and Next.js marketing sites
KokonutUI offers Tailwind based components designed for React and Next.js apps, and is listed as a free UI library in Tailkits.
The components follow modern design trends while staying close to Tailwind utilities, which keeps them compatible with v4.
19. Pagedone
Type: Free
Stack: HTML + Tailwind
Good for: Large catalog of generic blocks
Pagedone advertises more than 500 Tailwind components and includes a Figma file, and Tailkits marks it as free.
This is an excellent “grab bag” library when you need a variety of blocks and do not want to search for each pattern individually.
20. Park UI
Type: Free
Stack: React, Vue, Solid + Tailwind
Good for: Multi framework apps
Park UI is a Tailwind powered kit that targets React, Vue and Solid, giving you a consistent design language across frameworks. Tailkits lists it as a free library.
If you maintain multiple frontends but want a single Tailwind based visual system, Park UI is a strong v4 friendly choice.
21. Tailspark
Type: Free
Stack: Tailwind
Good for: Large, flexible component set
Tailspark offers 300+ free Tailwind components focused on customizable UI blocks, and appears in Tailkits as a free resource.
With its emphasis on customization and Tailwind utility classes, it works well inside Tailwind 4 projects.
24. Meraki UI
Type: Free
Stack: HTML + Tailwind
Good for: Beautiful marketing and application UI
Meraki UI is a long standing Tailwind component library with more than 200 free components for application and marketing interfaces, and Tailkits lists it within the component library category.
Meraki’s patterns lean clean and minimal, and the HTML only approach makes them easy to use in any Tailwind 4 stack.
Can you mix multiple Tailwind v4 libraries in one project?
Yes, as long as you keep typography, spacing and color tokens consistent in your Tailwind design system.
Most of these kits are plain Tailwind utilities without heavy extra CSS. That means you can mix Tailkits UI for marketing sections, Flowbite for forms and coss ui for app internals, then harmonize them with your Tailwind theme and a small layer of design tokens.
Final tips for using these Tailwind v4 UI kits
- Start from Tailkits’ directory when exploring new libraries, since they curate free and premium Tailwind resources that are explicitly v4 ready and updated weekly >> Tailkits
- Read each library’s getting started guide, especially for Tailwind 4 setup, since some still show v3 examples and require small tweaks.
- Keep a shared design system in your Tailwind config so mixing multiple kits still feels like one unified product.
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