Design for the indpendent mind.

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npm i @once-ui-system/core

Once UI empowers indie creators to build with clarity and purpose. We design tools that feel simple, flexible, and human — made by artists who code and engineers who care about details. Our mission is to give solo creators the power of a team, and to remind the world that:Building is an act of meaning, not scale.

Once UI was born from the idea of building something once — but building it right. Over time, our philosophy evolved beyond the technical: it's no longer just about components, but about care. We don't compromise for ROI, trends, or speed.

We build what feels right, as best as we can.

Visual style

Once UI’s visual identity blends AI-driven aesthetics with a sense of vintage craftsmanship — framed in a precise, high-tech form. It’s where the warmth of the past meets the curiosity of the future.