Serverless & Cloud Databases

PO

PostgreSQL

4.8/5.01 verified review

Free

The world's most advanced open source relational database system.

• Continuous active development spanning over 35 years with proven enterprise stability.
• Extensive support for complex data types, JSON storage, and custom extensions.
• Completely free open source model with no commercial licensing restrictions.

GE

GenesisDB

4.7/5.01 verified review

Free·Open Source·MIT

Open source event sourcing database written in Go

• Distributed as a single static Go binary with zero runtime dependencies
• Native CloudEvents 1.0 support with hierarchical subject routing
• Completely open source under the MIT license with no event limits or license keys

14stars on GitHub

PR

Prometheus

4.7/5.01 verified review

Free·Open Source·Apache-2.0

Open-source monitoring system and time series database.

• Dimensional data model built on key-value metrics and labels.
• Powerful PromQL query language for complex queries and aggregations.
• Autonomous architecture independent of complex distributed storage.

66.8kstars on GitHub

RE

Redis

4.7/5.01 verified review

Freemium

In-memory data platform for caching, real-time apps, search, and vectors.

• Extremely high throughput powered by in-memory RAM storage.
• Comprehensive support for advanced data structures including hashes, streams, and vectors.
• Mature ecosystem with native client support across multiple programming languages.

77.1kstars on GitHub

CL

ClickHouse

4.6/5.01 verified review

Paid·Open Source·Apache-2.0

Column-oriented OLAP database management system for real-time analytics.

• Outstanding performance on large-scale analytical queries.
• Highly efficient storage architecture for data compression.
• Wide range of connectors for BI and data pipeline tools.

50.6kstars on GitHub

NE

Neon

4.6/5.01 verified review

Freemium·Open Source·Apache-2.0

Serverless Postgres backend platform featuring instant database branching.

• Instantaneous creation of isolated database branches for development and testing.
• Autoscaling with scale-to-zero functionality to optimize cloud resource costs.
• Comprehensive backend suite including authentication, object storage, and AI gateway.

23.3kstars on GitHub

TI

Timescale

4.6/5.01 verified review

Freemium

PostgreSQL database optimized for time-series and massive machine data workloads at petabyte scale.

• Full compatibility with standard PostgreSQL ecosystem and extensions
• Native automated partitioning and columnar compression capabilities
• Optimized ingestion performance for massive IoT and metrics workloads

23.8kstars on GitHub

SU

Supabase

4.6/5.01 verified review

Freemium·Open Source·Apache-2.0

Open source Firebase alternative providing a full Postgres database, authentication, and instant APIs.

• Full Postgres database access with complete SQL capabilities and extensions.
• Auto-generated instant REST and realtime APIs based directly on the schema.
• Open source architecture allowing complete self-hosting without lock-in.

114.1kstars on GitHub

PL

PlanetScale

4.6/5.01 verified review

Paid

Cloud relational database platform for Vitess, MySQL, and Postgres built for horizontal scale.

• Horizontal scalability via automated sharding with Vitess and Postgres.
• Execution of online schema changes without locking or downtime.
• High performance powered by NVMe drives and built-in connection pooling.

PO

PocketBase

4.5/5.01 verified review

Free

Open source backend in a single file with realtime database and authentication.

• Extremely simple deployment through a single binary executable.
• Embedded SQLite database with real-time query support.
• Built-in web admin dashboard requiring zero extra configuration.

244stars on GitHub

WA

Wasabi

4.5/5.01 verified review

Paid·$7.99/mo

S3-compatible cloud object storage with zero fees for egress or API requests.

• Zero egress fees for data downloads.
• Full compatibility with the standard Amazon S3 API.
• Predictable pricing structure without hidden API call charges.

TU

Turso

4.5/5.01 verified review

Freemium·Open Source·MIT

Rust-based SQLite compatible SQL database with MVCC concurrency and cloud synchronization.

• Full compatibility with SQLite and standard SQL syntax without modifications.
• Native support for concurrent writes via MVCC avoiding database locked errors.
• Architectural model ideal for isolating data per user, tenant, or AI agent.

25.1kstars on GitHub