List of the Top 8 Component Libraries for Mozilla Firefox in 2025

Selenium WebDriver mimics the actions of a real user when interacting with web browsers, whether on local machines or through remote servers. It provides an easy-to-use programming interface that emphasizes efficiency. With very little setup, WebDriver can effectively operate on all major web browsers. This tool allows you to automate processes in widely used browsers such as Firefox, Safari, Edge, Chrome, Internet Explorer, and beyond! The term Selenium WebDriver refers to both the language bindings and the various implementations that enable browser manipulation, and it is often simply referred to as WebDriver. The World Wide Web Consortium (W3C) is an international organization dedicated to creating web standards. In June 2018, WebDriver was formally adopted as a W3C recommendation. Major browser developers like Mozilla, Google, Apple, and Microsoft are committed to supporting WebDriver, continuously improving both their browsers and the associated control code, leading to more uniform functionality across platforms. This uniformity enhances the dependability of your automation scripts, resulting in a more efficient testing process. Consequently, developers can expect their automated tests to yield consistent results across different environments.

Develop web projects with a mobile-first, responsive design using a user-centric component library that emphasizes accessibility. Create a function that combines two theme objects into one, making sure that in cases of conflicting styles, the styles from the second theme take precedence. Tailor composite components with Grommet by employing atomic design principles, allowing you to craft a library that meets your individual needs. It’s crucial to integrate features such as keyboard navigation and screen reader tags to enhance the accessibility of your design. Grommet is engineered to adhere to the W3C’s WCAG 2.1 guidelines from the beginning, fostering inclusivity for all users. In addition, ensure broad device support by leveraging Flexbox and CSS Grid, enabling layouts that adjust fluidly to both modern smartphones and expansive widescreen displays, thus providing a uniform user experience across diverse platforms. This holistic strategy not only enhances usability but also empowers developers to create web applications that are both effective and inclusive for a wide audience. Ultimately, prioritizing accessibility and responsiveness will lead to a more engaging experience for users regardless of their devices.

Leaflet is recognized as the leading open-source JavaScript library designed for crafting interactive maps that are mobile-responsive. With a compact size of approximately 42 KB, it includes all the fundamental mapping features that developers frequently need. The library's design emphasizes simplicity, efficiency, and ease of use, making it accessible for a wide range of users. It is compatible with major desktop and mobile platforms, providing extensive support for plugins, a visually attractive and user-friendly API, and source code that is easy to navigate, promoting community contributions. Instead of trying to meet every conceivable mapping requirement, Leaflet focuses on refining essential functionalities. Utilizing hardware acceleration, it delivers a seamless experience akin to that of native applications. By harnessing the power of CSS3, the library ensures exceptionally smooth transitions when panning and zooming. Furthermore, it incorporates smart rendering techniques for polylines and polygons, employing dynamic clipping and simplification to boost performance. Its modular design allows developers to exclude features they do not need, and it effectively reduces tap delays on mobile devices, significantly improving user satisfaction. This compelling set of features makes Leaflet an outstanding option for developers in search of a trustworthy and efficient mapping solution, reinforcing its status in the realm of web development.

Belle provides a variety of React components such as Toggle, ComboBox, Rating, TextInput, Button, Card, and Select, and has intentions to expand its offerings with more components down the line. Every component is meticulously crafted to deliver outstanding performance on both mobile and desktop devices. Additionally, the customization options for styling are extensive, enabling users to establish foundational styles for all components while also fine-tuning the look of each one to meet their specific requirements. This level of flexibility empowers developers to design distinctive user interfaces that reflect their individual aesthetic preferences and brand identity. With the promise of future enhancements, Belle continues to evolve and adapt to the needs of its users.

FormVu offers a comprehensive solution for transforming HTML, JavaScript, and CSS content compatible with popular browsers like Chrome, Edge, Firefox, and Safari across various operating systems, including Linux, MacOS, and Windows, as well as mobile devices running Android or iOS. The converted PDF forms seamlessly display in the browser, mirroring their original appearance in Acrobat with accurate layouts, formatting, and styles. Fonts embedded within the documents are appropriately converted, ensuring a consistent visual experience. Supporting both AcroForms and XFA Forms, FormVu effectively transforms all forms into HTML5, CSS, and JavaScript while maintaining their original style and layout. It also converts JavaScript to function within the browser context, safeguarding validation and calculations present in the forms, and even accommodates XFA FormCalc. Designed for user-friendliness, the FormVu converter eliminates the need for a dedicated server or complex infrastructure, generating clean, standalone HTML content. Furthermore, it integrates smoothly into existing PDF workflows, allowing users to edit, update, and save data back to the original PDF or forward it to the server, enhancing overall efficiency in document management. This capability makes FormVu a versatile tool for anyone looking to streamline their PDF form processes.

This enterprise-grade collection of Angular UI components, influenced by Ant Design, is available for free under the MIT license as an open-source library. Designed to improve the development experience for programmers, the Ant Design of Angular provides a range of components that can be utilized in various projects. For those interested in experimenting with a basic use case, a StackBlitz link is available, and it's advisable to fork this link for any bug-related inquiries; however, it is not recommended to use it as a base for production-level applications. After initiating a new project and navigating to its directory, developers can easily run the required commands to configure the project, including importing internationalization files, styles, and essential modules. Furthermore, the library allows for the incorporation of diverse scaffolding tools found within the Angular ecosystem, enabling customization of the build process to suit individual project demands. This level of flexibility empowers developers to craft distinctive applications that align perfectly with their specific requirements and goals.

Clarity is a versatile, scalable, and open-source design system that has evolved through the input of its users, the community it serves, and the dynamic group of contributors that shape its identity. By leveraging Figma as our primary design tool, we ensure that each component, guideline, and pattern is informed by actual customer feedback and real-world interactions. As a result, Clarity boasts over 30 components and over 200 icons, empowering you to focus on solving specific user problems within your application. The system was initially established by a talented team of designers, developers, and content experts who created a robust foundation. From this strong beginning, Clarity has broadened its support to major frameworks like Angular, React, and Vue, with our newest Core components seamlessly compatible with all three. To further assist developers, Clarity includes detailed code examples and extensive API documentation, making it easier to develop your next project. This dedication to a user-focused design approach guarantees that Clarity remains an essential tool for both developers and designers, fostering innovation and creativity in their work. Ultimately, the ongoing evolution of Clarity is driven by its community, ensuring it adapts to meet the ever-changing needs of its users.

Beginning with version 1.0.0, the library underwent a complete overhaul, crafted entirely in Typescript and ES6, which has removed the legacy jQuery plugin. The restructured framework is centered around a plugin system, leading to a more efficient core library. You will find that each file located in the dist/css and dist/js folders is provided in two distinct formats: the regular versions with .css and .js file types, and the compressed versions featuring .min.css and .min.js extensions. To boost loading speeds and enhance user experience on live websites, it is advisable to utilize the minified files. In contrast, when working on development, opting for the standard files without the .min extension simplifies the processes of debugging and maintaining the code. This significant transition not only improves overall performance but also brings the library's structure up to date, allowing developers to benefit from a more modern approach to coding. Ultimately, the enhancements reflect a commitment to providing a better development experience and a more efficient product for end-users.