The open-source frontend infrastructure for the AI-native web.
Once UI
Launch date
Once UI 2.0Builds consistent React apps for developers and AI agents
Launched on September 25th, 2026
Once UI 1.5Open-source designs for interactive + animated interactions
Launched on December 2nd, 2025
Once UI for Next.jsAn open-source UI library that gives you coding superpowers
Launched on July 18th, 2024
Once UI ❖ TemplatesComplete design framework for the pioneers of the future
Launched on October 31st, 2023
