olap

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.

A powerful cloud data warehouse. Built for elasticity and efficiency. Free and open. Also available in the cloud: https://app.databend.com

StarRocks is a next-gen sub-second MPP database for full analytics scenarios, including multi-dimensional analytics, real-time analytics and ad-hoc query.

CrateDB is a distributed SQL database that makes it simple to store and analyze massive amounts of machine data in real-time. Built on top of Lucene.

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

Apache Arrow DataFusion SQL Query Engine

HeavyDB (formerly OmniSciDB)

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

Light-weight Python OLAP framework for multi-dimensional data analysis

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.

Hyperconverged cloud-edge native database

Business Intelligence (BI) in Python, OLAP

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

An OLAP database system for educational purpose

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。

Real Time Analytics and Data Pipelines based on Spark Streaming

An open-source columnar data format designed for fast & realtime analytic with big data.