


Once UI 1.5 is a Next.js-exclusive design system that brings wonder back to UI engineering. It introduces new visual effects — weather, particles, matrix-style dots — all drop-in and usable in just a few lines of code. You also get a new generation of chart types built for live data and real-time dashboards. The toolkit is designed for indie builders who want their product to feel alive, expressive, and unmistakably theirs.
Add weather, particles, and matrix-style dots with just a few lines of code. No complex setup — just copy, paste, and your UI feels alive.
A new generation of charts built for live data and dashboards. Responsive, interactive, and ready for dynamic updates without extra configuration.
Pre-styled components for layouts, forms, data visualization, and modules like megamenu and command palette. All human-readable and machine-writable.
Manage themes, tokens, and styles in one file. Complex theming is reduced to a few keywords — no design token chaos.
Once UI 1.5 brings wonder back to UI engineering — visual effects and live charts that make your product feel unmistakably yours.
This isn’t just another component library. The new effects and chart types are exclusive to Once UI and designed to give indie builders expressive, real-time interfaces without drowning in code. The human-readable syntax also keeps AI coding agents efficient, because their context window isn’t filled with obscure spaghetti.
You’re building a Next.js product and want your UI to feel alive, not just functional. If you’re a solo founder or small team shipping fast, and you value a design system that’s open-source, community-driven, and lets you manage themes in a single file — Once UI 1.5 is worth a look.
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