# UI Components

21st.dev is an open-source community registry for React UI components where anyone can publish minimal Tailwind & Radix UI components, which can be installed using npx shadcn commands. Inspired by shadcn/ui, it aims to provide design engineers with a vast marketplace of components, modules, and hooks.

21st.dev is a platform offering React Tailwind components for design engineers, inspired by shadcn/ui. Built by the RorkAI team and Claude 3.5 Sonnet, it aims to help design engineers deliver sophisticated user interfaces more quickly. Users can install components with a single command, greatly improving development efficiency. The main advantages of this platform include its component-based and modular structure, making design and development work more flexible and efficient. Product background information indicates that it was created to meet the needs of design engineers for fast, high-quality UI components. Currently, the platform offers a free trial, but specific pricing information should be checked on its official website or by contacting customer service.

Quest offers a comprehensive library of pre-built UI components that can help SaaS products quickly implement user onboarding, engagement, and retention features, thereby enhancing user experience and business metrics. Its main advantages are out-of-the-box usability, significantly reducing development costs and time. Pricing options include both free and paid versions. Quest is positioned to assist small and medium-sized enterprises in rapidly building and iterating SaaS products.

AIComp is an AI-powered tool for generating UI components. It can automatically create various UI components based on user requirements, helping developers enhance their efficiency. Featuring a simple and intuitive interface, users only need to input the component name and relevant parameters to generate the corresponding code. AIComp also supports custom themes, layouts, and styles to cater to diverse project needs. With flexible pricing options including free and paid versions, AIComp caters to both individual developers and enterprise teams. Whether you're quickly prototyping or aiming to increase productivity, AIComp saves you significant time and effort.