If you're looking for another Koxy AI alternative, BuildShip is worth a look. It's a low-code visual backend builder that uses AI to rapidly create workflows, APIs and cloud functions. It comes with a built-in Firestore database, unlimited cloud storage and support for more than 1M NPM packages, so it's a good option for developers who want flexibility and scalability. BuildShip also can link to many services and offers more advanced dev tools like autocomplete and a debugger. Pricing is tiered, including a free plan, so it's good for a range of needs.
Another option is Backendless, a low-code app builder that offers a full suite of tools to build high-performance apps. It includes a visual UI builder, logic that can be built without code and direct API integration for easy data integration. Backendless offers real-time databases, responsive apps for the web and mobile devices, and integrates with third-party services like Zapier and FlutterFlow. It can be deployed in a variety of ways and offers several pricing plans, including a free tier.
If you want an open-source alternative, Supabase is a good option. It's an open-source Firebase alternative that lets developers build production-ready apps with a Postgres database, user authentication and real-time data synchronization. Supabase supports frameworks like Next.js and Flutter and offers a free tier with unlimited API requests and generous database space. It also offers edge functions for running custom code and vector embeddings for machine learning integration.
Last is Back4app, a cloud platform designed to boost developer productivity and shorten time-to-market. It offers a powerful backend for storing and querying relational data, web deployment with containerized scaling, and an AI Agent for rapidly creating cloud architectures. Back4app touts security and offers predictable pricing models, which can be appealing to developers who want to build and deploy scalable apps without worrying about unexpected costs.