If you're looking for something else besides Marblism, Noodl is a strong contender. Noodl is an open-source, AI-augmented low-code platform for building full-stack custom applications as fast as possible. It's got visual development, reusable modules and live updates to data flow. Noodl can also be connected to third-party services and APIs, so it's good for prototyping and web app production.
Another strong contender is Amplication, which offers AI-generated code for .NET and Node.js apps. It's got features like full-featured GraphQL and REST APIs, role-based access control and a plugin system. Amplication lets you customize easily, synchronize with Git continuously and offers a generated React Admin UI for data models. It's good for building scalable microservices architecture and can handle everything from single services to large-scale applications.
Replit is another option. It's a cloud-based service for building, sharing and deploying software in any programming language. Replit offers AI code generation, collaboration tools and a range of deployment options. The service has security features like endpoint security and fine-grained permissions, too, so it's a good option for developers who need a flexible development environment.
If you're looking for a low-code visual backend builder, BuildShip could be a good option. It uses AI to rapidly create workflows, APIs and cloud functions, blending no-code and code development. BuildShip has a range of features, including a built-in Firestore database, unlimited cloud storage and support for a wide range of services. Its tiered pricing and free plan means it's accessible for developers who want to build scalable backend solutions with a minimal amount of code.