The best alternatives to Xtend UI v1.0 are Flowbite, TailGrids, and TUK. If these 3 options don't work for you, we've listed a few more alternatives below.
Flowbite is an ecosystem of open-source libraries, tools, and products built around Tailwind CSS consisting of a Figma design system, component library, website section and page templates, and other tools.
Handcrafted Library of Tailwind CSS UI Components, Blocks, Sections, UI Kit and Templates to Speed up Your Development Workflow. 300+ Free and Premium Tailwind Components, Copy-paste Interface, Figma Source Files with High-quality Clean Design, and Much More.
DaisyUI is a plugin for Tailwind CSS - Beautiful CSS component - Clean HTML with component classes - Customizable and themeable - Only 2KB. No JS, No dependencies - Free!
Material Tailwind is an easy to use components library for Tailwind CSS and Material Design. It features multiple React components, all written with Tailwind CSS classes and Material Design guidelines. Coming soon components for VueJS, Angular and many more.