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

Apache Kyuubi is a distributed and multi-tenant gateway to provide serverless SQL on data warehouses and lakehouses.

Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)

The official home of the Presto distributed SQL query engine for big data

programming, database, distributed system

An Rule of Optimization which provides SQL Standard Authorization for Apache Spark

A parser for InnoDB file formats, in Ruby

A distributed, fast open-source graph database featuring horizontal scalability and high availability

HugeGraph Website and Doc

Develop a graph database app using JanusGraph