The best alternatives to ReactiveMaps 3.0 are Supabase, NextUI, and Avvvatars. If these 3 options don't work for you, we've listed a few more alternatives below.
Supabase is an open-source backend-as-a-service that provides real-time databases, authentication, and API services. It enables developers to build and scale applications quickly without managing server infrastructure.
NextUI is the next-gen UI React library that allows you to make beautiful websites regardless of your design experience, comes with awesome features like Auto Dark Mode recognition, Themes support, easy customization, Best-in-class DX and much more.
Website for developers featuring hundreds of community-made CSS and HTML UI elements like buttons, inputs, checkboxes, and cards. All elements are open source and free to use. We make it easy to find and customize the perfect element for your project.
Native Directory is a destination for finding any libraries that work with React Native. There are four sub categories, libraries that work with iOS, libraries that work with Android, libraries that work with Expo, and libraries that even work on the web. Native Directory takes submissions at https://github.com/react-community/native-directory