Best Free Component Libraries of 2025 - Page 5

SaaS Hammer is an all-encompassing Django SaaS template that aims to speed up product development by seamlessly combining Django with Hotwire, which boosts developer efficiency and allows them to concentrate on refining their products. It features a modern frontend development setup that employs Webpack and SWC (Speedy Web Compiler), including live reload capabilities to provide instant feedback throughout the development process. With Tailwind CSS integrated for designing sleek user interfaces, it also offers inherent support for TypeScript. Additionally, SaaS Hammer comes with a component library that contains reusable UI elements such as buttons, modals, tabs, date-time pickers, selection widgets, rich text editors, and various types of charts, thereby promoting quick UI development. For content management, it integrates Wagtail CMS, enabling users to create and update pages swiftly without the need to modify templates directly. Furthermore, the template includes comprehensive user authentication features, such as sign-up and email verification, among others, ensuring a secure user experience. This robust framework ultimately empowers developers to launch their products more efficiently and effectively.

SVAR offers a collection of user interface components and widgets designed to streamline web application development using React, Svelte, and Vue frameworks. By using these ready-made UI tools, web developers can dramatically cut development time and costs while maintaining high-quality standards for their projects. SVAR UI components: - DataGrid: Build powerful, high-performance tables with features like inline editing, multi-column sorting, tree structures, context menu and keyboard navigation. - Gantt Chart: Add interactive task management and scheduling capabilities to your app. With intuitive drag-and-drop functionality, customizable timeline scales, and support for hierarchical subtasks, dependencies, and progress tracking, SVAR Gantt offers everything you need to visualize project workflows. - File manager: Add a user-friendly file explorer to your web app. Supports advanced features like split views, file previews, a built-in search box, and basic file operations such as copy, delete, upload, and download. - UI core library: Access a collection of essential UI controls, including buttons, date pickers, checkboxes, combo boxes, and popups. Build data-driven web apps faster and smarter with SVAR UI!

Radix UI is a free-to-use component library tailored for rapid development, straightforward maintenance, and enhanced accessibility. It consists of two primary packages: Radix Primitives and Radix Themes. Radix Primitives serves as a foundational UI component library that prioritizes accessibility, flexibility, and an improved developer experience. The components align with WAI-ARIA design guidelines, come unstyled by default, and support comprehensive keyboard navigation. In contrast, Radix Themes is a ready-to-use component library that requires minimal setup, featuring layout primitives, typography, and customizable elements such as buttons and cards through the Theme component. Additionally, Radix Colors provides a thorough and accessible color palette aimed at creating visually appealing and user-friendly websites and applications, complete with features like automatic dark mode and transparent variants. Furthermore, Radix Icons includes a sharp selection of 15×15 icons that can be utilized as standalone React components, enhancing the visual appeal of applications. This combination of tools empowers developers to create polished, accessible user interfaces efficiently.

Headless UI is a collection of fully accessible, completely unstyled UI components that are designed to work seamlessly with Tailwind CSS. It provides a variety of components for both React and Vue frameworks, all of which prioritize accessibility by following WAI-ARIA design patterns and offering comprehensive keyboard navigation capabilities. Since these components come without any inherent styling, developers have the liberty to customize their appearance, allowing for a perfect match with any design aesthetic. Headless UI components utilize data attributes and render props to expose state information, giving developers the ability to style components conditionally based on states like focus, open, selected, or disabled. This innovative approach guarantees that the components remain both adaptable and accessible, making them ideal for crafting tailored, high-quality user interfaces. By using Headless UI, developers can effortlessly construct intricate UI elements, such as modals, dropdowns, and tabs, while maintaining a strong commitment to accessibility and design versatility. Ultimately, this library empowers developers to focus on functionality and user experience without being constrained by predefined styles.

React Aria is a collection of unstyled React components and hooks designed to assist developers in creating accessible and high-quality user interface elements for their applications or design systems. This library includes components that cater to common UI patterns, incorporating accessibility, internationalization, interactions, and behavior by default, thus enabling you to concentrate on your distinct design and styling without the need to tackle these complex features from scratch. Rigorous testing has been conducted across a diverse range of devices, interaction methods, and assistive technologies to guarantee an optimal experience for all users. Furthermore, React Aria is inherently style-free, which empowers you to craft custom designs that align perfectly with your application or design system utilizing any preferred styling and animation framework. Each component is carefully segmented into individual elements featuring built-in states, render props, and slots, simplifying the styling process. Moreover, all components undergo thorough testing with a variety of popular screen readers and devices to ensure maximum compatibility and performance. This focus on accessibility and usability makes React Aria an invaluable resource for developers aiming to create inclusive applications.

React Spectrum serves as a React-based version of Adobe's Spectrum design system, offering a variety of components that adapt seamlessly to different interactions and screen sizes on various devices. Notably, it ensures full accessibility with support for screen readers and keyboard navigation, making it user-friendly for all. The components are crafted to accommodate mouse, touch, and keyboard inputs, adhering to responsive design principles to provide an optimal user experience across all devices. Furthermore, React Spectrum automatically adjusts to dark and light modes in alignment with the user's operating system settings. In addition to this, the framework supports more than 30 languages, which includes features for right-to-left languages, as well as date and number formatting. The extensive library of components encompasses buttons, pickers, collections, date and time inputs, color selection tools, forms, navigation elements, overlays, status indicators, and various content components. This wide-ranging set of tools ensures that developers can create accessible and versatile applications tailored to diverse user needs.

Ariakit is a free and open-source library that includes unstyled, fundamental components aimed at assisting developers in creating accessible web applications using React. The library comes with a variety of styled examples that can easily be integrated into applications through simple copy and paste. Accessibility is a core focus of Ariakit's components, which incorporate essential features such as keyboard navigation and compatibility with screen readers. Additionally, it provides integration examples with various tools like Next.js App Router and React's useTransition, which facilitate the development of responsive and accessible user interfaces. Developers can dive into the extensive documentation, component guides, and API references to begin their journey with the library, ensuring they have all the resources needed for effective implementation. Exploring Ariakit opens up a world of possibilities for creating inclusive digital experiences.

Base UI is a collection of headless React components and fundamental hooks that grant developers full autonomy over the CSS and accessibility aspects of their applications. Derived from Material UI, these components are now offered as an independent package that maintains the same high engineering standards without necessitating the adoption of Material Design principles. The library includes ready-to-use components equipped with functionalities suitable for production, as well as low-level hooks that enable the transfer of these functionalities to various components. With Base UI, developers can efficiently build upon core components using any preferred styling solution, eliminating the need to modify any preset style engines or themes. It simplifies several elements of UI development, such as accessibility, cross-browser compatibility, and event management, thereby allowing developers to concentrate on their design execution. The foundational skeletal components provided by Base UI facilitate the effortless application of custom styles, accommodating various styling approaches, including vanilla CSS and Tailwind CSS. This flexibility makes it easier for developers to create unique interfaces tailored to their specific project requirements.

Magic UI is a completely free and open source user interface library designed specifically for design engineers, featuring more than 150 animated components and effects that utilize React, TypeScript, Tailwind CSS, and Framer Motion. This library acts as an excellent complement to shadcn/ui, allowing developers to effortlessly craft visually striking landing pages and user interfaces. It boasts a wide array of components, including animated text, buttons, backgrounds, device mockups, and unique effects such as confetti and neon gradients. For those seeking even more, Magic UI Pro offers an additional 50+ professionally crafted blocks and templates suitable for various applications, including AI agents, developer tools, mobile applications, SaaS solutions, startups, and portfolios. These templates are built using React, Next.js, Tailwind CSS, and Framer Motion, ensuring both responsiveness and seamless animations, making it a valuable resource for enhancing web development projects. Overall, Magic UI stands out as a versatile tool that significantly simplifies the process of creating captivating interfaces.

Kibo UI is an innovative registry of customizable, accessible, and open-source components intended for integration with shadcn/ui. Utilizing cutting-edge technologies such as React, TypeScript, Tailwind CSS, Lucide, and Radix UI, Kibo UI equips developers with a comprehensive collection of functional and fully composable components that can be tailored and enhanced to meet individual project requirements. The catalog features a diverse range of components, including a color picker, image zoom functionality, a QR code generator, code blocks that support syntax highlighting and copy-to-clipboard capabilities, along with a dropzone for seamless drag-and-drop file uploads. Furthermore, Kibo UI offers precomposed and animated blocks that enable developers to launch their applications and websites swiftly; notable examples are an AI chatbot interface and a collaborative canvas designed for synchronous online teamwork. To further facilitate the development process, it includes a pricing page template that clearly outlines various plans and features, promoting both simplicity and transparency in presentation. Overall, Kibo UI is a valuable tool for developers seeking to enhance their projects with high-quality components while ensuring a user-friendly experience.

Lucide is a community-driven open source icon library that features over 1,500 lightweight and scalable vector graphics (SVG) icons, all crafted according to a rigorous design standard to ensure uniformity in style and clarity. Developers can personalize these icons extensively by modifying their color, size, stroke width, and additional attributes to seamlessly fit their user interface requirements. The library's tree-shakable functionality guarantees that only the icons that are actively utilized are included in the final bundle, which significantly enhances performance. To simplify integration across a variety of projects, Lucide provides official packages tailored for numerous frameworks and platforms such as React, Vue, Svelte, Solid, Angular, Preact, Astro, React Native, and Flutter. In addition, Lucide features a web-based customizer that enables users to make real-time adjustments to icons while adhering to accessibility best practices. As a project that originated as a fork of Feather Icons, Lucide thrives on community contributions and fosters active participation through platforms like GitHub and Discord, making it a vibrant part of the open source ecosystem. This approach not only enhances the library but also ensures that it evolves in line with user needs and technological advancements.

Refine is an open-source framework based on React that is specifically crafted for the creation of data-driven web applications, including admin panels, dashboards, and internal tools. With its headless architecture, it empowers developers to have complete control over both user interface and business logic, allowing for effortless integration with a variety of UI frameworks. One of its standout features is the zero-configuration setup, which enables developers to quickly kickstart projects using the create refine-app CLI tool. Additionally, Refine is compatible with more than 15 backend services like REST APIs, GraphQL, Supabase, Strapi, NestJS CRUD, Hasura, Appwrite, Firebase, and Airtable, which accelerates the development of CRUD operations. Beyond these capabilities, it also includes sophisticated features such as real-time data management, robust authentication and authorization protocols, internationalization (i18n), audit logging, and customizable routing options that support Next.js and Remix. This extensive range of functionalities makes Refine a highly versatile choice for developers looking to streamline their application development process.

TanStack is a versatile, open-source framework that provides a robust set of high-quality, headless, and type-safe utilities tailored for contemporary web development, delivering extensive features in areas such as state management, data fetching, routing, UI logic, tables, data grids, charts, and dynamic client-side storage. The suite includes essential libraries like TanStack Query, which handles asynchronous server-state fetching and caching, TanStack Router for comprehensive full-stack and client-side routing with complete TypeScript inference and URL state management, and TanStack Table for customizable, headless tables and data grids compatible with various TS/JS frameworks. Furthermore, tools like TanStack DB enhance the reactive store with capabilities for live queries and optimistic updates, while frameworks such as TanStack Start offer an integrated full-stack React experience, incorporating server-side rendering (SSR), streaming, server functions, and bundling, all supported by its own router and Vite. Overall, TanStack's offerings prioritize developer empowerment, efficiency, scalability, and type safety, making it a powerful choice for modern web applications. With its comprehensive ecosystem, TanStack enables developers to create sophisticated applications with ease and confidence.

Toolpad Core serves as a self-hosted, low-code platform designed specifically for full-stack and back-end developers, enabling them to create admin interfaces, dashboards, and CRUD applications through an intuitive drag-and-drop interface while maintaining complete control over the underlying code. Leveraging MUI's powerful React component ecosystem, which includes MUI Core and X libraries, Toolpad features a query builder reminiscent of Postman for REST APIs, supports the importation of custom React components, and seamlessly integrates with Node.js backends, thereby simplifying the process of API setup. Operating entirely in a local environment, Toolpad saves configurations in files compatible with version control systems, allowing developers to smoothly transition from low-code prototypes to fully functional production features using JavaScript and TypeScript. Its design is closely aligned with React, TypeScript, and Next.js, facilitating integration with local IDE workflows, which effectively connects the rapid assembly of user interfaces with the demands of maintainable and production-ready software development. This makes Toolpad an ideal solution for developers looking to enhance their productivity without sacrificing the flexibility of traditional coding practices.

Shoelace is an innovative, open-source library of web components that adheres to web standards, allowing developers to seamlessly incorporate a wide array of accessible and customizable UI elements, including buttons, modals, tabs, inputs, popups, text areas, icons, trees, skeleton loaders, and much more into any project, regardless of the framework or CDN used. This library is equipped with contemporary design tools, such as design tokens that manage typography, color schemes, spacing, elevation, border radius, transitions, and z-index, and it also features theme support, including an integrated dark mode. Shoelace components are designed to be fully compatible with all frameworks and can also function without any framework, making them highly versatile. Customization is facilitated through CSS, and the library also emphasizes localization and accessibility with its thoughtful defaults. Additional features include the capability for runtime component loading through an autoloader, smooth form integration that encompasses shadow-DOM-aware form controls, utilities for data serialization, validation, and comprehensive icon support. This flexibility allows developers to create engaging user experiences tailored to their unique project needs.

Tambo is an open-source framework designed for AI orchestration, specifically tailored for React front-end applications, which enables developers to create dynamic and generative user interface assistants that can interpret natural language input. By utilizing Tambo, developers can register their React components and tools just once, while the framework autonomously manages the display of UI elements such as forms, dashboards, and charts; it also takes care of state management and API/tool interactions as necessary. The platform boasts a range of functionalities, including the ability to maintain message-thread histories, stream UI and content, offer suggested actions, and facilitate authentication, all while integrating seamlessly with Model Context Protocol (MCP) servers to access context and external data. To further enhance the development process, Tambo includes a library of pre-built components, such as control bars, message threads, and generative forms, alongside CLI tools, hosting options through Tambo Cloud, and the ability for self-hosting. Users can choose from various plans, starting with a free tier that includes message and usage limits along with community support, to premium tiers that provide increased message capacities, team collaboration features, single sign-on/role-based access control, service level agreements, observability tools, and additional benefits to support diverse application needs. As a result, Tambo empowers developers to create robust AI-driven applications more efficiently and effectively.

Fluree is an immutable RDF graph database written in Clojure and adhering to W3C standards, supporting JSON and JSON-LD while accommodating various RDF ontologies. It operates with an immutable ledger that secures transactions with cryptographic integrity, alongside a rich RDF graph database capable of various queries. It employs SmartFunctions for enforcing data management rules, including identity and access management and data quality. Additionally, It boasts a scalable, cloud-native architecture utilizing a lightweight Java runtime, with individually scalable ledger and graph database components, embodying a "Data-Centric" ideology that treats data as a reusable asset independent of singular applications.

Clarity is an adaptable, scalable, and open-source design system shaped by the contributions of its users, the audience it serves, and the vibrant community that defines its essence. Utilizing Figma as our design toolkit, every component, guideline, and pattern we develop is based on genuine customer feedback and interactions. Consequently, Clarity offers over 30 components and more than 200 icons, allowing you to concentrate on addressing specific user challenges within your product. The initial creators of Clarity were a resourceful group of designers, developers, and content specialists who laid a solid foundation for the system. Building on this strong inception, Clarity has successfully extended its compatibility to the major frameworks: Angular, React, and Vue, with our latest Core components supporting all three. Additionally, Clarity comes equipped with comprehensive code examples and thorough API documentation to assist you in crafting your next application. This commitment to user-centered design ensures that Clarity remains an invaluable resource for developers and designers alike.

CVXOPT is an open-source software library designed for convex optimization, leveraging the capabilities of the Python programming language. Users can interact with it through the Python interpreter, execute scripts from the command line, or incorporate it into other applications as Python extension modules. The primary goal of CVXOPT is to facilitate the development of convex optimization software by utilizing Python's rich standard library and the inherent advantages of Python as a high-level programming tool. It provides efficient Python classes for both dense and sparse matrices, supporting real and complex numbers, along with features like indexing, slicing, and overloaded operations for performing matrix arithmetic. Additionally, CVXOPT includes interfaces to various solvers, such as the linear programming solver in GLPK, the semidefinite programming solver in DSDP5, and solvers for linear, quadratic, and second-order cone programming available in MOSEK, making it a versatile tool for researchers and developers in the field of optimization. This comprehensive set of features enhances its utility in tackling a wide range of optimization problems.

Float UI provides a powerful solution for individuals without design expertise to effortlessly build stylish and contemporary websites, facilitated by its intuitive interface and a wealth of open-source design elements. This platform stands out as a free resource, ensuring that anyone can access its tools. It features an assortment of adaptable user interface components and sleek website templates, which significantly streamline the website creation process. With Float UI, users can not only expedite their project timelines but also produce polished and professional outcomes. This accessibility fosters a creative environment where anyone can bring their web development ideas to life, regardless of their design background.

At Ripplix, we hold a deep appreciation for the intricate details that transform digital products into delightful experiences. In an era teeming with various interfaces, it is often the nuanced animations and considerate micro-interactions that leave a memorable impact. These elements breathe life into applications, seamlessly guide users through their journey, and enhance the overall experience significantly. Ripplix emerged from the belief that these fleeting yet impactful moments—these “ripples” in design—warrant their own recognition. Our platform features a meticulously curated collection of UI animations and micro-interactions drawn from actual digital products. From fluid hover effects to intelligent transitions and gratifying loading states, Ripplix highlights the sophisticated design touches that elevate good products to a level of greatness, ensuring that every interaction resonates with users in a meaningful way.

WebDataRocks is a user-friendly and free JavaScript library designed for the creation of efficient pivot tables, compatible with frameworks such as Angular, Vue, and React. It boasts several advantages, including being free of charge and highly customizable, as well as functioning as a JavaScript-based client-side component that can handle 1MB of JSON or CSV data files. Equipped with a comprehensive array of enterprise-level features, WebDataRocks seamlessly integrates with various third-party charting libraries to enhance data visualization capabilities. The library includes functionalities like filtering, sorting, grouping, conditional and number formatting, and calculated values, making it an effective tool for managing and analyzing data. Additionally, users can easily print or export their reports to formats like PDF, Excel, or HTML with just a single click, which streamlines the reporting process significantly. Offering a modern and aesthetically pleasing user interface similar to a spreadsheet, the tool is optimized for both web browsers and applications, ensuring a reliable and enjoyable user experience while working with data.