ClickHouse® is a free analytics DBMS for big data

DuckDB is an in-process SQL OLAP Database Management System

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

StarRocks, a Linux Foundation project, is a next-generation sub-second MPP OLAP database for full analytics scenarios, including multi-dimensional analytics, real-time analytics, and ad-hoc queries. InfoWorld’s 2023 BOSSIE Award for best open source software.

Apache Arrow DataFusion SQL Query Engine

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.

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

HeavyDB (formerly OmniSciDB)

Dinky is an out-of-the-box, one-stop, real-time computing platform dedicated to the construction and practice of Unified Streaming & Batch and Unified Data Lake & Data Warehouse. Based on Apache Flink, Dinky provides the ability to connect many big data frameworks including OLAP and Data Lake.

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

Hyperconverged cloud-edge native database

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

An educational OLAP database system.

ByConity is an open source cloud data warehouse

Business Intelligence (BI) in Python, OLAP

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。

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

A curated list of resources for graph databases and graph computing tools

Apache Arrow Ballista Distributed Query Engine

chDB is an embedded OLAP SQL Engine ⭐ powerd by OSS ClickHouse