If you want a service with a big library of community-created UI components, Magic Patterns is another top contender. It lets you prototype and generate React code with AI, and it's got a big library of community-created UI components. You can create new UI elements by prompting the service or uploading images, export projects as React or Figma files, and customize UIs with themes and new elements. The service is geared for individual designers, developers and big corporate teams trying to accelerate frontend development.
Another top contender is FlutterFlow, a web-based tool for building modern apps with Firebase integration and a visual drag-and-drop interface. FlutterFlow includes a UI builder with more than 80 Flutter widgets and 170 prebuilt components, so you can easily create responsive apps. It also offers real-time collaboration and several pricing plans, including a free tier, so it's good for small or large projects.
If you're interested in low-code tools, Noodl offers an open-source platform with AI-augmented visual development. It has reusable modules and a big library of community-created components you can combine with third-party services and APIs. Noodl is good for prototyping and building web apps with a minimum of code, so it's a good tool for developers of all stripes.