Flowbite vs. React Spectrum vs. Untitled UI vs. Vue.js Comparison Chart

Flowbite is an open-source library of interactive UI components built on top of Tailwind CSS, designed to expedite web development by providing a comprehensive set of pre-designed elements. It offers over 56 types of components, including buttons, alerts, breadcrumbs, pagination, and navbars, as well as interactive elements like dropdowns, modals, and tooltips, which are enhanced by custom JavaScript for added interactivity. Developers can integrate Flowbite into existing Tailwind CSS projects via npm or CDN, and it supports various frameworks such as React, Vue.js, Angular, and Next.js. The library also includes a Figma design system, enabling designers to prototype and design applications before development. For those seeking advanced features, Flowbite offers a Pro version with additional components and templates. The ecosystem is further enriched by Flowbite Blocks, providing over 450 website sections and advanced UI components built with Tailwind CSS.

Untitled UI is the world’s largest Figma UI kit, React component library, and icon system, offering designers and developers everything needed to design and build modern interfaces at speed. The Figma library features over 900 global styles and variables for color, typography, and effects, more than 10,000 meticulously crafted components and variants, 420 ready‑to‑use desktop and mobile page examples, and 4,600 neutral icons and logos, fully integrated into one design system. On the development side, Untitled UI React provides an open‑source collection of production‑ready components built with React v19.1, Tailwind CSS v4.1, TypeScript v5.8, and React Aria, ensuring type safety, accessibility (keyboard navigation and screen‑reader support), and lightning‑fast performance without lock‑in. AI‑ready Lovable and bolt.new kits enable instant prototyping with simple prompts, while seamless Figma previews and consistent styling across both platforms.