The Syncfusion Essential JS 2 - JavaScript UI controls library is the only suite you will ever need to build an application, featuring 60+ high-performance, lightweight, and modular UI components. It supports the Angular, Vue, React, and Blazor frameworks.

Essential UI Kit for Xamarin.Forms includes over 40 XAML pages that can be used in modern mobile applications. It helps you build your cross-platform mobile apps for Android, iOS, and UWP using Xamarin.Forms faster. It's an open-source product.