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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

Relume is an advanced AI-powered website design platform that helps designers and developers move from concept to structure in minutes, not hours. With just a simple text prompt, it generates a complete sitemap and wireframes, accelerating the early stages of web production. The platform includes a deep library of 1,000+ responsive UI components that can be exported directly to tools like Figma, Webflow, or React. Designers maintain full creative control, refining layouts and swapping components while the AI handles the structural groundwork. For teams juggling tight deadlines, Relume provides both speed and consistency across projects. Whether you're building landing pages, brand sites, or prototypes, Relume helps you start strong and iterate smarter.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

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

Audience

Relume is ideal for designers, developers, agencies, and product teams who want to rapidly plan, prototype, and deliver websites with consistent quality using AI-assisted workflows and component-based design

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

$128 per year
Free Version
Free Trial

Pricing

$18 per month
Free Version
Free Trial

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
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Once UI
United States
once-ui.com

Company Information

Relume
Australia
relume.io

Alternatives

Alternatives

Categories

Categories

Integrations

Figma
CSS
Google Chrome
Microsoft Edge
Mozilla Firefox
Next.js
React
Webflow

Integrations

Figma
CSS
Google Chrome
Microsoft Edge
Mozilla Firefox
Next.js
React
Webflow
Claim Once UI and update features and information
Claim Once UI and update features and information
Claim Relume and update features and information
Claim Relume and update features and information