ClickHouse / ClickHouse

ClickHouse® is a real-time analytics database management system

apache / spark

Apache Spark - A unified analytics engine for large-scale data processing

trinodb / trino

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

apache / couchdb

Seamless multi-primary syncing database with an intuitive HTTP/JSON API, designed for reliability

apache / flink

Apache Flink