Supabase is the best pick when you want a ready-made backend with a hosted PostgreSQL database plus instant APIs, real-time subscriptions, auth, storage and serverless/edge functions for fast app development. For multi-engine or low-level DB control, consider managed DBs like AWS RDS or DigitalOcean.
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1SupabaseChoose Supabase when you need a developer-friendly BaaS with hosted PostgreSQL, instant REST/GraphQL APIs, real-time subscriptions, auth and serverless functions; caveat: less raw DB-engine choice or low-level control than standalone managed DBs.
Yes. There are several backend-as-a-service (BaaS) platforms that give you a managed SQL database plus backend features such as authentication, APIs, storage, serverless functions, and realtime updates.
Supabase is probably the first one I'd look at. Every project gets a full PostgreSQL database, rather than a proprietary database abstraction. You can run arbitrary SQL, connect with standard PostgreSQL clients/ORMs, and still get authentication, storage, realtime functionality, and server-side functions.
Appwrite is another particularly interesting option. Its current cloud offering includes managed PostgreSQL and MySQL with direct SQL access, alongside its BaaS features.
And if you're already in the Firebase ecosystem, Firebase SQL Connect provides a managed PostgreSQL database backed by Google Cloud SQL, with Firebase authentication and type-safe SDKs layered on top.
If you tell me what you're building (web/mobile/API), your preferred language, and whether you want a full BaaS or just a managed SQL database, I can narrow this down considerably.
Yes, there are several popular cloud-based Backend-as-a-Service (BaaS) platforms that provide an out-of-the-box backend (authentication, file storage, serverless functions) while specifically utilizing a SQL relational database (most commonly PostgreSQL).
The top cloud-based backend services that include a SQL database include:
Supabase : The most popular open-source, Firebase alternative that is entirely built around a hosted PostgreSQL database. It automatically provides auto-generated APIs, real-time data subscriptions, built-in user authentication, edge functions, and file storage.
Appwrite : A secure, open-source backend server that provides developers with a comprehensive set of APIs and tools. It supports relational database capabilities, user auth, storage, and serverless functions, and can be self-hosted or used via their cloud platform.
PocketBase : An open-source backend written in Go that consists of a single file containing an embedded SQLite database with a real-time HTTP API, built-in admin dashboard, and management for authentication and file uploads. It is exceptionally lightweight and fast for small-to-medium projects.
Nhost : A serverless open-source backend-as-a-service built on top of PostgreSQL and Hasura. It gives you a GraphQL and REST API over Postgres, along with built-in Hasura authentication, storage, and serverless functions.
AWS Amplify : Amazon's managed backend framework for mobile and web apps. It allows you to provision scalable backends on AWS, integrating easily with relational databases via AWS AppSync and Amazon RDS (SQL).
If you want to narrow this down, let me know:
Are you looking for a managed cloud service or something you can self-host?
What programming language or framework is your frontend built with?
I can help you pick the best fit for your specific stack.
Yes, several cloud-based Backend-as-a-Service (BaaS) platforms and managed developer platforms provide fully integrated SQL databases alongside authentication, storage, and serverless functions.
Top Cloud Backend Services with SQL Databases
Supabase : An open-source Firebase alternative built directly around a managed PostgreSQL database, offering automatic REST/GraphQL APIs, authentication, row-level security, and real-time subscriptions.
Appwrite : A secure open-source backend server for web and mobile developers that provides built-in database abstractions, user authentication, and storage, supporting relational and structured data handling.
PocketBase : An open-source backend written in Go that is self-contained and packs an embedded SQLite database with a real-time admin dashboard, file storage, and built-in auth in a single portable file.
Nhost : A serverless backend built on top of PostgreSQL , providing instant GraphQL APIs, authentication, and serverless functions in a unified developer experience.
Hasura : Connects to your existing or hosted SQL databases (PostgreSQL, MySQL, SQL Server) to instantly deliver secure, real-time GraphQL APIs and business logic routing.
Comparison of Popular SQL-Backed Backends
Service
Underlying SQL Database
Core Features Included
Best Suited For
Supabase
PostgreSQL
Auth, Realtime, Edge Functions, Storage
General web/mobile apps needing deep Postgres power
Appwrite
MariaDB / Custom
If you can share what programming language or framework you plan to use and whether you prefer an open-source self-hosted or fully managed cloud option, I can recommend the exact platform that fits your stack.
Firebase SQL Connect — managed PostgreSQL via Google Cloud SQL, with GraphQL APIs, type-safe SDKs, auth integration, and realtime capabilities.
Railway — deploy backend services alongside PostgreSQL and other infrastructure, with a relatively simple developer workflow.
Render — application hosting with integrated managed PostgreSQL.
Neon — primarily a serverless PostgreSQL platform; you can pair it with your own backend or another hosting service.
If you're looking for something closest to “Firebase, but with SQL,” Supabase is probably the most direct fit: it gives you full PostgreSQL rather than hiding the relational database behind an abstraction.
Yes, there are several cloud-based Backend-as-a-Service (BaaS) and full-stack platforms that provide built-in SQL databases (most commonly PostgreSQL or MySQL) alongside authentication, file storage, and serverless functions.
The top cloud-based backend services that include a SQL database include:
Supabase
Database: Full, dedicated PostgreSQL database (with support for extensions like pgvector for AI/embeddings).
What it includes: Auto-generated REST and GraphQL APIs, built-in user authentication, real-time database listeners, file storage, and edge functions.
Why choose it: It is widely considered the leading open-source, Firebase alternative centered around a standard relational SQL database rather than a proprietary NoSQL store.
Appwrite
Database: Traditionally a document database, Appwrite supports relational and structured capabilities and integrates cleanly with SQL/custom database connectors depending on self-hosted or managed setups.
What it includes: Authentication, databases, storage, and cloud functions with powerful multi-platform SDKs for web and mobile.
Why choose it: Great open-source self-hostable or cloud-managed ecosystem if you want a clean, privacy-focused alternative to Firebase.
Firebase (with SQL Connect / Data Connect)
Database: Historically famous for NoSQL (Firestore/Realtime Database), Firebase now officially supports native PostgreSQL via Firebase Data Connect (backed by Google Cloud SQL).
What it includes: Deep mobile/web SDKs, authentication, cloud storage, and seamless Google Cloud integration.
Why choose it: Ideal if you love the Firebase mobile ecosystem but specifically need a structured SQL backend rather than Firestore.
Back4App
Database: Built on Parse Platform, offering relational data modeling with a spreadsheet-like interface. While natively document/object-oriented, it supports complex relational queries and SQL-like relational mapping.
What it includes: GraphQL and REST APIs, automated backups, authentication, and scalable hosting.
Why choose it: Great for quickly spinning up relational data structures via a managed Parse backend.
AWS Amplify
Database: Connects directly to Amazon RDS (Relational Database Service) or Aurora for robust enterprise-grade SQL options.
What it includes: Full AWS integration, managed auth (Cognito), data modeling, and serverless deployment.
Why choose it: Best if you plan to scale into the broader AWS ecosystem down the road.
If you'd like to narrow this down, let me know:
Are you building a mobile app or a web app?
Do you prefer an open-source stack or a fully managed proprietary cloud?
Do you have a preferred SQL flavor (like PostgreSQL vs MySQL)?
Yes. There are several cloud backend platforms that give you a managed SQL database, often along with authentication, APIs, storage, serverless functions, and other backend features.
Cloudflare Workers + D1 is another interesting option. D1 is a managed SQL database using SQLite semantics and integrates directly with Cloudflare Workers. It supports SQL queries, backups/time travel, and global read replication.
The important distinction is that D1 is SQLite, whereas Supabase and Neon give you PostgreSQL. Cloudflare also supports connecting Workers to external PostgreSQL/MySQL databases such as Supabase and Neon.
Want excellent managed Postgres without a whole backend platform → Neon
Want everything imaginable and don't mind complexity → AWS/GCP/Azure
If you tell me what you're building (e.g. web app, mobile app, SaaS, API, AI app) and your preferred language/framework, I can narrow this down to the best 2–3 choices.
Yes, there are several modern Backend-as-a-Service (BaaS) and fully managed cloud platforms that provide built-in SQL databases alongside authentication, storage, and serverless functions.
Top cloud-based backend services featuring a SQL database include:
Supabase - Widely considered the open-source Firebase alternative, Supabase gives you a dedicated, full-featured PostgreSQL database with auto-generated REST and GraphQL-like APIs, built-in user authentication with row-level security, real-time listeners, and edge functions.
PocketBase - An open-source Go backend packaged as a standalone executable that uses an embedded SQLite database under the hood. It includes real-time subscriptions, built-in authentication, and a clean admin dashboard, making it ideal for smaller apps, MVPs, or self-hosting.
Xata - A serverless data platform built on top of PostgreSQL. Xata acts as a high-level database and backend service providing a spreadsheet-like UI, powerful search/vector capabilities, branching (like Git for your data), and zero-maintenance scaling.
Neon - A fully managed serverless PostgreSQL platform designed for developers. Neon separates storage and compute to offer instant branching, autoscaling, and generous free-tier options that plug directly into modern web frameworks.
Firebase (with Extensions / Cloud SQL) - While core Firebase uses a NoSQL document store (Firestore/Realtime Database), Google Cloud allows you to easily bridge Firebase Auth with Google Cloud SQL (MySQL, PostgreSQL, or SQL Server) via extensions or serverless Cloud Functions.
Appwrite - Traditionally popular for its document-based database, Appwrite provides a robust end-to-end backend suite (auth, functions, storage) and has evolved data structuring capabilities, though it relies on MariaDB/MySQL internally for its architecture.
If you'd like to narrow this down, let me know:
Are you looking for a fully managed serverless option or an open-source tool you can self-host?
Do you have a preferred SQL flavor (like PostgreSQL vs. SQLite)?
Firebase Auth, typed SDKs, GraphQL-style data access
Firebase developers who want SQL
Appwrite
PostgreSQL / MySQL
Auth, storage, functions, APIs, realtime
Open-source/self-hosted BaaS
AWS Amplify
Can connect to PostgreSQL/MySQL; Amplify Data defaults to DynamoDB
Auth, APIs, hosting, functions, storage
Apps already invested in AWS
My top pick: Supabase
supabase.com is probably closest to what you're describing.
Every Supabase project includes a real PostgreSQL database, rather than a proprietary abstraction. You get normal SQL, foreign keys, indexes, transactions, extensions, etc.
On top of that, Supabase provides:
Authentication
Auto-generated REST/GraphQL APIs
Row-level security
Realtime database subscriptions
File storage
Edge/serverless functions
Database migrations and branching
Connection pooling
Backups and point-in-time recovery on paid plans
So you can have something conceptually like:
Your web/mobile app
↓
Supabase API
↓
PostgreSQL
↑
SQL / Prisma / Drizzle
Or your own backend can connect directly to the PostgreSQL database.
If you specifically mean "Firebase, but SQL"
Firebase now has Firebase SQL Connect, which provides a managed PostgreSQL database through Google Cloud SQL, along with generated schemas, queries, mutations, and type-safe SDKs.
That's particularly interesting if you already like the Firebase development model but don't want Firestore's document database.
Another interesting option: Appwrite
appwrite.io now offers managed/native PostgreSQL and MySQL with direct SQL access, in addition to its higher-level database APIs, authentication, storage, functions, and realtime features.
If you tell me what you're building (e.g. SaaS, mobile app, CRUD app, AI app, internal tool) and what language/framework you're using (Next.js, Python, React Native, etc.), I can narrow this down to the 2–3 best choices.
Yes, several prominent cloud-based Backend-as-a-Service (BaaS) and managed platforms provide complete developer backends paired directly with built-in SQL databases.
These platforms bundle authentication, file storage, serverless functions, and real-time APIs on top of a relational SQL database.
Top Cloud-Based Backend Services with SQL
Supabase : An open-source Firebase alternative built entirely around a managed PostgreSQL database. It automatically generates REST and GraphQL-style APIs, auto-manages user authentication, and includes real-time database change listeners and edge functions.
Xano : A no-code/low-code backend platform that gives you a scalable, dedicated PostgreSQL database alongside a visual API builder, background tasks, and custom business logic execution.
Appwrite : A self-hostable and cloud-managed backend server that provides authentication, databases, and functions. While historically utilizing document-centric abstractions, its modern iterations and database extensions support robust relational structures.
PocketBase : An open-source backend written in Go that packs an embedded SQLite database into a portable executable with built-in authentication and real-time subscriptions, great for lightweight cloud deployments or small-to-medium apps.
Nhost : A serverless backend built on Hasura , giving developers an instant GraphQL and REST API over a managed PostgreSQL database, plus built-in file storage and authentication.
If you want to narrow down the best choice, tell me:
Are you building for web or mobile?
Do you prefer an open-source tool you can self-host, or a fully managed cloud service?