Fully managed PostgreSQL database with a free tier including 500MB storage.

Railway is a cloud platform that provides a range of services including databases, with a focus on usage-based pricing to optimize costs.

EdgeDB is a next-generation database that combines the best of SQL and GraphQL, offering a strictly typed, declarative schema with built-in migrations and based on PostgreSQL.

Fully managed, cost-effective relational database service for PostgreSQL, MySQL, and SQL Server with a free plan for personal projects and small-scale deployments.

Globally Distributed Database

Distributed SQL database designed for resilience and scalability, offers a free tier suitable for smaller projects.

Managed TursoSQL database with a free tier for lightweight use.

Serverless data platform built on top of postgres

Managed PostgreSQL, offers a hobby tier suitable for experimentation.

Parse open-source BaaS on the Cloud, offers a free tier.

The easiest, most advanced managed Memcache with free tier and reasonable pricing.

Serverless, globally distributed database designed for high performance and consistency. Offers a free tier perfect for getting started.

Serverless MySQL with a free tier up to 5GB storage.

Aiven provides an all-inclusive and transparent platform to stream, store, and serve data on any cloud. It offers a variety of services including Apache Kafka, PostgreSQL, MySQL, and more, with seamless integration and high availability.

Real-time Data Platform

Serverless PostgreSQL with a free tier up to 3GB storage.

Managed serverless Redis with global low latency and multi-region replication. Offers generous free plans and flexible pricing options.

Managed document database based on Apache CouchDB

Microsoft's globally distributed, multi-model database service with a free tier.

NoSQL document database with a free tier for limited usage.

A fully-managed, auto-scaling cloud service designed for your dynamic workloads, compatible with MySQL and offering a free tier.

Fully managed Redis database service with a free plan for personal projects and small-scale deployments.

Cloud-native Cassandra database, provides a serverless experience with flexible scaling and pay-as-you-go pricing. Free tier available.

Free forever tier with decent space

Managed NoSQL database with a free tier up to 512MB.

Amazon's fully managed NoSQL database service with a free tier.

Distributed HTAP database compatible with MySQL with a free tier.

Managed PostgreSQL integrated with Vercel, free tier for small projects.

Offers managed databases like PostgreSQL, MySQL, and Redis. Relatively affordable options.