ClickHouse® is a real-time analytics DBMS

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

DuckDB is an analytical in-process SQL 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.

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

Apache DataFusion SQL Query Engine

An easy to use, self-service open BI reporting and BI dashboard platform.

Dinky is a real-time data development platform based on Apache Flink, enabling agile data development, deployment and operation.

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

Mondrian is an Online Analytical Processing (OLAP) server that enables business users to analyze large quantities of data in real-time.

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.

HeavyDB (formerly OmniSciDB)

大数据知识仓库涉及到数据仓库建模、实时计算、大数据、数据中台、系统设计、Java、算法等。

ByConity is an open source cloud data warehouse

[NOT MAINTAINED] Light-weight Python OLAP framework for multi-dimensional data analysis

Hyperconverged cloud-edge native database

Business Intelligence (BI) in Python, OLAP

Flink Connector for Apache Doris

RadonDB is an open source, cloud-native MySQL database for building global, scalable cloud services

An educational OLAP database system.