lit.dev is described as 'Building on top of the Web Components standards, Lit adds just what you need to be happy and productive: reactivity, declarative templates and a handful of thoughtful features to reduce boilerplate and make your job easier' and is an app in the development category. There are six alternatives to lit.dev for a variety of platforms, including Self-Hosted, Mac, Windows, Linux and JavaScript apps. The best lit.dev alternative is Vue.js, which is both free and Open Source. Other great apps like lit.dev are Angular, React, HTMX and Unpoly.