Free-tier serverless databases

Backendless

Backendless is a visual app development platform that combines a UI builder, backend services, and a real-time database. It supports codeless frontend logic, API integration, user management, notifications, and serverless infrastructure for web and mobile applications.

Neon Serverless Postgres

Neon Serverless Postgres is a managed Postgres platform designed for modern application development, including AI apps, serverless workloads, and team-based database workflows. It separates compute and storage so databases can scale automatically, pause when idle, and resume quickly when needed.

Firebase Realtime Database

Firebase Realtime Database is a cloud-hosted NoSQL database designed to store and sync JSON data across web and mobile applications in real time. It helps teams deliver responsive experiences with live updates, offline support, and built-in synchronization across connected clients.

Supabase

Supabase is a Postgres development platform that helps teams build backend infrastructure for modern applications. It combines a managed Postgres database with authentication, instant APIs, Edge Functions, realtime subscriptions, storage, and vector embeddings in a single platform.

LeanCloud

LeanCloud is a serverless backend platform that provides database storage, server-side logic with LeanEngine, instant messaging, push notifications, SMS, and multiplayer game services. It supports nat...

Azure Cosmos DB

Azure Cosmos DB is a fully managed, serverless distributed database for NoSQL and relational workloads. It supports a schema-less JSON document model, automatic indexing, built-in vector search, hybrid search, and SDK access for Python, Node.js, Java, .NET, Go, and other languages.

Cloud Firestore

Cloud Firestore is Firebase’s managed NoSQL document database for mobile, web, and server applications. It is designed to store, sync, and query app data in real time across devices at global scale.

Upstash

Upstash is a serverless data platform built for modern applications that need low-latency, globally distributed data services without managing infrastructure. It provides HTTP-based and Redis-compatible APIs for key-value storage, messaging, vector search, workflow automation, and search.

Amazon Aurora DSQL

Amazon Aurora DSQL is a serverless distributed SQL database designed for always available applications. It combines PostgreSQL compatibility with active-active architecture to support strongly consistent reads and writes across Regions.

Amazon DynamoDB

Amazon DynamoDB is a serverless, fully managed NoSQL key-value database designed for applications that need consistent low-latency performance at any scale. It removes infrastructure management overhe...

Convex

Convex is a backend platform for building applications in TypeScript. It combines a reactive database, file storage, text search, vector search, auth, crons, webhooks, and Node.js actions in a single ...

Cloudflare D1

Cloudflare D1 is a managed, serverless SQL database built on SQLite semantics for applications running on Cloudflare Workers and Pages. It is designed for horizontal scale across many smaller databases, making it well suited for per-user, per-tenant, or per-entity data isolation.