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About

Once UI is an open source design system and component library built for Next.js (and paired with a matching design system in Figma), offering a flexible style system, 100+ ready-to-use UI components, and more than 75 copy-paste blocks to rapidly assemble web apps. It supports both simple static sites and more complex applications, thanks to pre-built, deployment-ready templates for portfolios, documentation sites, blogs, ecommerce stores, and dashboards (free and Pro versions). Once UI emphasizes “component-first” development, meaning developers don’t need to manually write utility-class-heavy styling (like with some CSS frameworks); instead, they use semantic variables and components that integrate design tokens for visual consistency. For creators used to tools like utility-class frameworks or component libraries, but who want faster development with fewer dependencies, Once UI simplifies building UIs without sacrificing design quality or accessibility.

About

Tailgrids is an open source React UI component library powered by Tailwind CSS, built to help teams ship modern web apps faster with reusable components, UI blocks, templates, and a complete design system. It brings React, Tailwind CSS, and Figma into one unified UI library for developers and designers who need performance, accessibility, consistency, and scalable design-to-development workflows. TailGrids includes 600+ free and pro React UI components, production-ready blocks, and ready-to-launch templates for applications, dashboards, marketing sites, ecommerce, and AI products. Each component and block is designed for real projects, not just demos, with clean modern UI patterns, mobile-first responsiveness, accessibility considerations, predictable structure, and full Tailwind-powered customization. Teams can use TailGrids with React-based frameworks like Next.js, React, Astro, and more, while the CLI helps scaffold projects.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Independent developers, freelancers, startups and small teams searching for a tool to build polished web applications or websites quickly and consistently

Audience

SaaS product teams that need a React and Tailwind UI system to build consistent dashboards, landing pages, ecommerce flows, and AI app interfaces faster

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Not Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Pricing

$128 per year
Free Version Supported
Free Trial Not Supported

Pricing

$299 per month
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Once UI
United States
once-ui.com

Company Information

Tailgrids
Founded: 2021
United States
tailgrids.com

Alternatives

Alternatives

Shadcn Space

Shadcn Space

WrapPixel

Categories

SaaS Boilerplates Supported
Web Design Supported

Categories

Integrations

Figma Supported
Next.js Supported
Astro Not Supported
CSS Supported
React Not Supported
Tailwind CSS Not Supported

Integrations

Figma Supported
Next.js Supported
Astro Supported
CSS Not Supported
React Supported
Tailwind CSS Supported
Claim Once UI and update features and information
Claim Once UI and update features and information
Claim Tailgrids and update features and information
Claim Tailgrids and update features and information