Best Component Libraries for Freelancers

DHTMLX is a powerful and easy-to-use JavaScript UI library that provides a wide range of customizable and flexible components for building modern and responsive web applications. It offers 30+ full-featured UI widgets, including grids, charts, diagrams, schedulers, gantt charts, calendars, trees, forms, and more. These components are optimized for fast rendering, ensuring that your application runs smoothly in all browsers and devices. DHTMLX is compatible with popular web frameworks such as React, Angular, and Vue.js. This makes it an excellent choice for developers who are already working with these frameworks and want to add a powerful UI library to their projects. Moreover, DHTMLX supports different data sources and formats, making it easy to integrate with various back-end technologies. DHTMLX provides extensive configuration and customization abilities for its UI components, allowing developers to tailor their appearance and behavior to meet specific application requirements and extend its functionality with custom features if needed. DHTMLX also has comprehensive documentation that covers every aspect of the library, including detailed API references, tutorials, and code examples, as well as an active community.

Flutter is a user interface toolkit developed by Google that enables the creation of stunning, natively compiled applications for mobile, web, and desktop platforms from a single codebase. With its Stateful Hot Reload feature, you can bring your app to life in mere milliseconds. The toolkit offers a vast array of fully-customizable widgets that allow developers to construct native interfaces in just minutes. This swift development process emphasizes delivering features that enhance the native user experience. Its layered architecture provides extensive customization options, leading to rapid rendering and designs that are both expressive and adaptable. Flutter’s widgets are designed to accommodate essential platform-specific variations, including scrolling, navigation, icons, and fonts, while the Flutter code is compiled into native ARM machine code using Dart's native compilers. The hot reload capability significantly streamlines workflows, enabling developers to experiment, create user interfaces, introduce new features, and resolve bugs more efficiently. With Flutter, you can enjoy sub-second reload times without losing the state of your application, whether you're working on emulators, simulators, or physical devices. This seamless experience fosters a more agile development process, making it easier to innovate and iterate on app designs.

Kendo UI is the ultimate collection JavaScript UI components, including libraries for jQuery and Angular as well as Vue and React. Quickly build eye-catching, high-performance, responsive web applications--regardless of your JavaScript framework choice.

Hope UI, as the name suggests is a revolutionary admin dashboard that was built with the developer in mind. Hope UI Laravel Admin Dashboard Template is available with a UI component set. It features a modular component structure that makes it easy to design and launch web apps in the fastest possible way. Hope UI Admin Template is capable of developing lightweight web applications and admin panels. It also includes a Live Customizer that reduces development time and coding hours. The Hope UI Bootstrap Admin Dashboard is the future of admin UI. It will power your present and future development. Hope UI is available for 8 technologies: Bootstrap and Vue JS and React JS.

The Adaptive Calculation Engine for Java, known as ACE4J, offers a dependable solution for transforming Excel-based applications into web-based formats, all while keeping costs low and ensuring that maintenance and support are straightforward in the long run. Additionally, ACE4J features a contemporary formula language built on a strong and effective calculation framework, allowing it to handle intricate Excel formulas with ease. This makes it an excellent choice for new web applications developed in Java that demand substantial computational capabilities. ACE4J acts as a Java API specifically designed to interpret formulas structured in the style of Microsoft Excel. It includes a wide array of the most frequently used Excel functions, catering to applications that involve intensive calculations. With each release of the Adaptive Calculation Engine, the range of available formulas and functionalities expands, reflecting user feedback and enhancing its utility. Furthermore, the engine possesses the ability to process thousands of formulas in mere seconds, underscoring its efficiency and performance. This remarkable speed and adaptability make ACE4J an invaluable asset for developers looking to optimize their applications.

Aptugo's visual interface makes it easy to create scalable Web and Mobile Apps. You have complete control over your source code and can access endless possibilities. Aptugo allows you to create any Web or Mobile App faster and with proven quality standards. Aptugo offers more than 100 components that you can drag and drop. They can be customized and re-used endlessly. Developers can create new elements with their own DNA to drag, drop, and reuse within their library. Aptugo has more than 100 elements that can be dragged, dropped and reused. You can also create and add your own components. You can adapt components to any programming language. Expert developers can create and define elements using their own code. It can be any element from either the front or back-end: charts and maps, forms, and a LinkedIn API connector. The sky is the limit!

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.

Accelerate the development of rich, interactive web applications with Ignite UI, which offers the most comprehensive set of enterprise-quality JavaScript and .NET UI components on the market. This extensive library encompasses frameworks such as Angular, ASP.NET (Core and MVC), Blazor, jQuery, React, and web components, among others. Our sophisticated Command Line Interface (CLI) tools streamline the integration of component libraries that have various dependencies, making the process much more efficient. Additionally, our intuitive WYSIWYG Page Designer empowers users to easily create a contemporary web experience by utilizing drag-and-drop functionality alongside our JavaScript UI components, data connectors, layout options, and theme support to build and code your upcoming application. Navigating the landscape of multiple JavaScript libraries can be challenging, which is why we enhance our offerings with TypeScript, providing strong typing and class-based inheritance that significantly reduce the likelihood of errors and simplify development management. With Ignite UI, developers can focus on creativity and functionality rather than getting bogged down by technical complexities.