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

Scala 42,518 28,975 Updated Dec 20, 2025

A distributed, fast open-source graph database featuring horizontal scalability and high availability. This is an archived repo for v2.5 only, from 2.6.0 +, NebulaGraph switched back to https://git…

C++ 849 132 Updated Aug 17, 2022

A Flexible, Fast, Federated(3F) SQL Analysis Middleware for Multiple Data Sources

Java 2,061 578 Updated Oct 25, 2022

Test code for apache calcite

Java 214 164 Updated Sep 16, 2022

Apache Flink

Java 25,619 13,807 Updated Dec 19, 2025

HugeGraph Database core component, including graph engine, API, and built-in backends

Java 1 Updated Jun 21, 2019

Apache ECharts is a powerful, interactive charting and data visualization library for browser

TypeScript 65,274 19,817 Updated Dec 20, 2025

Apache Kylin

Java 3,761 1,521 Updated Dec 2, 2025