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Build any app with Stack by Once UI
Once UI provides the building blocks. Stack assembles them into a complete app. You bring the vision.
Not just a tool.A stack you own and control.
Design that reads your mind
Once UI is a low-code abstraction layer for design: smart defaults and simple APIs, so you'll never want to write utility-soup again.120+ components
Access advanced components through simple APIs — layouts, effects and data viz that would take weeks to build from scratch.1-minute styling
Create your brand in a single config file. No design skills required — tokens keep every page consistent.SEO optimized
Meta and schema generation come out of the box, with one source of truth for every page's details.Ready to use
Landing page, dashboard, blog and auth flows — everything a successful webapp needs, wired up on day one.
A strong foundation
Stack provides an optimized entry-point for your online presence. Built for conversion, scale and minimal config.Learn more
Essential extensions
Magic Docs lets you share your knowledge without complicated setup. Frame your business as an authority in your field.Learn moreCustomization
Branding meets visitor preference
Once UI provides an out-of-the-box solution for visitor-controlled customization. Preferences are saved and loaded from the browser.From the blog
Stack saved us hundreds of hours of manual work.
Lorant One
Indie Builder Once UI is so easy to build with.
Lorant One
SEO Specialist Stack helped us launch faster.
Lorant One
Developer The team at Once UI is incredible.
Lorant One
Marketing Specialist Stack with the other templates is a game-changer.
Lorant One
Design Engineer This is the best landing page template ever!
Lorant One
Founder Used by people who don't have time to design
Build momentum without debtWhat is Stack?
What does it contain?
How is it different than other templates?
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