ClickHouse® is a real-time analytics database management system

The world's fastest open query engine for sub-second analytics both on and off the data lakehouse. With the flexibility to support nearly any scenario, StarRocks provides best-in-class performance for multi-dimensional analytics, real-time analytics, and ad-hoc queries. A Linux Foundation project.

DuckDB is an analytical in-process SQL database management system

High-performance, scalable time-series database designed for Industrial IoT (IIoT) scenarios

CockroachDB — the cloud native, distributed SQL database designed for high availability, effortless scale, and control over data placement.

The lightweight, fault-tolerant database built on SQLite. Designed to keep your data highly available with minimal effort.

A time-series database for high-performance real-time analytics packaged as a Postgres extension

Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)

Distributed PostgreSQL as an extension

Simple, Elastic-quality search for Postgres

Distributed SQL database in Rust, written as an educational project

TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. No data silos. No noisy neighbors. No infrastructure ceiling.

Free universal database tool and SQL client

Database diagrams editor that allows you to visualize and design your DB with a single query.

REST API for any Postgres database

Turso is an in-process SQL database, compatible with SQLite.