shadcn-ui is described as 'A set of beautifully-designed, accessible components and a code distribution platform. Works with your favorite frameworks. Open source. Open code' and is a ui components tool in the development category. There are more than 50 alternatives to shadcn-ui for a variety of platforms, including Web-based, Self-Hosted, Mac, Windows and Linux apps. The best shadcn-ui alternative is Bootstrap, which is both free and Open Source. Other great apps like shadcn-ui are Tailwind CSS, Semantic UI, Foundation and Bundui.