Stars
The most comprehensive database of Chinese poetry 🧶最全中华古诗词数据库, 唐宋两朝近一万四千古诗人, 接近5.5万首唐诗加26万宋诗. 两宋时期1564位词人，21050首词。
Apollo is a reliable configuration management system suitable for microservice configuration management scenarios.
Redisson: Valkey & Redis Java Client and Real-Time Data Platform. Sync/Async/RxJava/Reactive API. Over 50 Valkey and Redis based Java objects and services: Set, Multimap, SortedSet, Map, List, Queu…
ClickHouse® is a real-time analytics database management system
如果你在从事大数据BI的工作，想对比一下MySQL、GreenPlum、Elasticsearch、Hive、Spark SQL、Presto、Impala、Drill、HAWQ、Druid、Pinot、Kylin、ClickHouse、Kudu等不同实现方案之间的表现，那你就需要一份标准的数据进行测试，这个开源项目就是为了生成这样的标准数据。
Apache Pinot - A realtime distributed OLAP datastore
Make Your Company Data Driven. Connect to any data source, easily visualize, dashboard and share your data.
Redash plugin for Apache Kylin integration
Beyond file syncing and sharing, a new way to organize your files with extensible file properties and flexible views
Some information about Apache Kylin interaction with Pentaho Mondrian
Open-source semantic layer: one cube for Excel (MDX/XMLA), dashboards, and AI agents (MCP). Mondrian + Apache Calcite.
Pentaho Data Integration ( ETL ) a.k.a Kettle
Apache Druid: a high performance real-time analytics database.
The Apache Tika toolkit detects and extracts metadata and text from over a thousand different file types (such as PPT, XLS, and PDF).
Open source transactional distributed database. Linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructure without compromising performance.