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.

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.

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

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

GeaFlow: A Streaming Graph Compute Engine.

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

Flink Connector for Apache Doris

AI 时代的智能数据库

Cluster manager for Apache Doris

An efficient storage and compute engine for both on-prem and cloud-native data analytics.

Pivot4J provides a common API for OLAP servers which can be used to build an analytical service frontend with pivot style GUI.

A Simple and Efficient Distributed Multidimensional BI Analysis Engine.

Spark Connector for Apache Doris

CQRS implementation using Debezium + Spring Cloud Stream + Kafka Connect + Kafka + Druid

Datafor is a data visualization and analytics platform.

Atoti AutoPivot automatically creates in-memory OLAP cubes from CSV files, that you can explore from Excel, Tableau or using the embedded Atoti UI web frontend

面向单机与分布式 OLTP/OLAP 场景的可暂停的渐进式 SQL 引擎 (只用于研究)

Benchmark suite to evaluate HTAP database engines

Kafka Connector for Apache Doris