Once UI 1.5
Open-source designs for interactive + animated interactions
In plain words
Once UI 1.5 is an open-source design toolkit that provides pre-built interactive and animated UI components for developers. It includes visual effects like weather, particles, and matrix-style dots, plus new chart types optimized for live data and real-time dashboards. Designed for indie builders, the components are implemented in just a few lines of code, allowing creators to build expressive and distinctive product interfaces without extensive engineering effort.
written from the facts on this page · September 2026
From the sources
Once UI 1.5 is about bringing wonder back to UI engineering. We’re introducing 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. Only in Once UI. A toolkit for indie builders who want their product to feel alive, expressive, and unmistakably theirs.
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