The best alternatives to SnailJS are Expo, Design+Code, and Webcodesk. If these 3 options don't work for you, we've listed a few more alternatives below.
Learn how to build a modern site using React and the most efficient libraries to get your site/product online. Get familiar with components, Grid CSS, animations, interactions, dynamic data with Contentful and deploying your site with Netlify.
Webcodesk was designed with the idea to help in creating big web applications using the React framework and at the same time make this process maintainable without writing extra code manually.
In Webcodesk you can easily navigate, quickly change and experiment with data flows in the application.