Best Open Source Relational Databases (SQL)

Distributed SQL database combining OLTP and OLAP capabilities, offering horizontal scalability, high availability, and real-time analytics.

Scalable, high-availability database system supporting OLTP, OLAP, and hybrid transactional/analytical processing workloads.

Extend PostgreSQL for time-series data with automatic partitioning, scalable ingestion, and advanced analytics for mission-critical applications.

Databend is an open-source, elastic cloud data warehouse built for high-performance analytics and seamless integration with popular data tools.

Distributed SQL database designed for high-speed ingestion and complex queries on massive datasets, ideal for IoT and time-series data.

Leverage advanced analytics with a modern PostgreSQL kernel. 100% open source for robust data solutions.

Cloud-native, auto-scaling Postgres with instant branching, bottomless storage, and pay-per-use pricing

Turso provides a simple developer experience with SQLite compatibility, allowing you to build and scale multi-tenant applications with unlimited databases.

Hydra embeds DuckDB's state-of-the-art analytics engine into standard Postgres, offering millisecond response times for complex queries.

Open-source no-code platform for creating databases, applications, and workflows. Self-host or use cloud. GDPR, HIPAA, SOC 2 compliant with unlimited scalability.