Ship intelligent interfaces
at lightning speed.
73+ production-ready components, blocks, and templates built with Next.js, Tailwind CSS, and Framer Motion. The visual operating system for The Prompt Engineering Project.
npx shadcn@latest add @aceternity/[component]Built for modern interfaces
Every component is production-ready, animated with purpose, and documented with real usage context.
Idea to interface in hours, not days
Pre-built categories spanning every layer of a modern product interface.
Used across The Prompt Engineering Project
These components power real pages on thepromptengineeringproject.com today.
IO-UI Home
VisitAtmospheric hero with animated text generation and particle effects.
IO Design System
VisitComponent documentation with interactive previews and categorized navigation.
IO Feed Builder
VisitContent workflow interface with persistent navigation and step-by-step loading.
Product Pages
VisitFeature explanations with scroll-linked reveals and social proof sections.
More than a component library
IO-UI is a design system with context. Every component comes with philosophy, usage guidance, and a perfect example.
No decoration without purpose
Every animation, gradient, and shadow earns its place. If it does not serve the user, it does not ship.
Dark by default, light by choice
Dark mode is the primary experience. Light mode exists for accessibility and preference, not as the default.
Motion with meaning
Animation guides attention, never distracts. Every transition communicates state, direction, or hierarchy.
Context over lorem ipsum
Every example uses real content from The Prompt Engineering Project. No placeholder text, no fake data.
SVG icons, never emoji
Typography and vector graphics do the work. Emoji introduces inconsistency across platforms.
Start building with IO-UI
Browse the component library, copy the code, and ship faster than ever.