Nellavio
Open-source dashboard starter built with Next.js 16 & Tailwind 4
...It will give you a solid head start and save a lot of development time by serving as a practical foundation that you can easily extend and adapt to your specific needs. It includes 90+ reusable UI components, 60+ chart variations, auth, i18n, dark/light theming, Storybook, an optional Node.js backend, and a lightweight layout-only version.