qiantongtech / qOntology

面向企业级知识工程的开源本体工程平台，以本体论与语义网标准为基础，聚焦企业本体治理与语义治理，连接知识图谱、企业运行本体与本体驱动 AI，构建统一、开放、可演进的企业语义基础设施。

freerouting / freerouting

Advanced PCB auto-router

StarRocks / starrocks

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.

apache / iceberg

Apache Iceberg

apache / seatunnel

SeaTunnel is a multimodal, high-performance, distributed, massive data integration tool.

questdb / questdb

QuestDB is a high performance, open-source, time-series database

apache / cassandra

Open source transactional distributed database. Linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructure without compromising performance.

apache / druid

Apache Druid: a high performance real-time analytics database.

apache / dolphinscheduler

Apache DolphinScheduler is the modern data orchestration platform. Agile to create high performance workflow with low-code