If you're looking for a scalable backend service with a real-time database and cloud functions, Supabase is a great option. Supabase is an open-source Firebase alternative that includes a Postgres database, user authentication, instant APIs, real-time subscriptions and more. It supports frameworks like Next.js, Svelte and Flutter, and has edge functions for custom code, real-time data synchronization and storage for large files.
Another powerful option is Back4app, which offers a powerful backend with a real-time database, cloud functions, APIs and SDKs. It also comes with AI-driven productivity tools, a developer-focused interface and predictable pricing. Back4app prioritizes security and offers both horizontal and vertical scaling so performance upgrades don't take down your service.
If you want to take a low-code approach, BuildShip is a good option. It lets you quickly create workflows, APIs, scheduled jobs and cloud functions with a combination of no-code and code development. BuildShip integrates with a large number of services and includes features like a built-in Firestore database, unlimited cloud storage and support for more than 1M NPM packages. Its tiered pricing means it's good for developers and businesses.
Last, Neon is another powerful option, a serverless platform with Postgres as its database. It offers fast provisioning, autoscaling, branching and schema migrations. Neon's pricing tiers include a free tier, so it's a good option for developers who want to build scalable and reliable apps without breaking the bank.