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ClickHouse? is a real-time analytics database management system

DuckDB is an analytical in-process SQL database management system

QuestDB is a high performance, open-source, time-series database

Apache Doris is an easy-to-use, high performance and unified analytics database.

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.

OceanBase is an enterprise distributed relational database with high availability, high performance, horizontal scalability, and compatibility with SQL standards.

????, ????????? & ??. Modern alternative to Snowflake. Cost-effective and simple for massive-scale analytics. https://databend.com

Apache DataFusion SQL Query Engine

Postgres for Search and Analytics

CrateDB is a distributed and scalable SQL database for storing and analyzing massive amounts of data in near real-time, even with complex queries. It is PostgreSQL-compatible, and based on Lucene.