GitHub stars · StarDay

1duckdb / duckdbDatabase system designed for analytical workloads.C++MIT · Permissive42,866

2StarRocks / starrocksAuthor description: 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.JavaApache-2.0 · Permissive12,243

3oceanbase / oceanbaseOceanBase is the unified distributed database for the AI era — open-source, multi-model, one engine for your most demanding workloads.C++Apache-2.0 · Permissive10,366

4apache / datafusionApache DataFusion SQL Query EngineRustApache-2.0 · Permissive9,573

5paradedb / paradedbOne Postgres for your application data, full-text search, vector retrieval, and aggregations. Home of the pg_search extension.RustAGPL-3.0 · Share derivative source9,496

6databendlabs / databendData Agent Ready Warehouse : One for Analytics, Search, AI, Python Sandbox. — rebuilt from scratch. Unified architecture on your S3.RustApache-2.0 · Permissive9,492

7crate / crateCrateDB is a distributed and scalable SQL database for storing and analyzing massive amounts of data in near real-time, even with complex queries. It is PostgreSQL-compatible, and based on Lucene.JavaApache-2.0 · Permissive4,450

8DataLinkDC / dinkyDinky is a real-time data development platform based on Apache Flink, enabling agile data development, deployment and operation.JavaApache-2.0 · Permissive3,779

9TuiQiao / CBoardAn easy to use, self-service open BI reporting and BI dashboard platform.JavaScriptApache-2.0 · Permissive3,100

10chdb-io / chdbchDB is an in-process OLAP SQL Engine 🚀 powered by ClickHousePythonApache-2.0 · Permissive2,925

11matrixorigin / matrixoneAI-native HTAP database with Git-for-Data and built-in vector search, serving as the data and memory backbone for intelligent agents and applications.GoApache-2.0 · Permissive2,063

12apache / cloudberryOne advanced and mature open-source MPP (Massively Parallel Processing) database. Open source alternative to Greenplum Database.CApache-2.0 · Permissive1,439

13spiculedata / saikuOpen-source semantic layer: one cube for Excel (MDX/XMLA), dashboards, and AI agents (MCP). Mondrian + Apache Calcite.JavaApache-2.0 · Permissive1,339

14ClickHouse / ClickBenchClickBench: a Benchmark For Analytical DatabasesShellLicense not declared1,160

15rpbouman / hueyBrowser-based data analytics & BI with DuckDB-WASM. Privacy-first: your data stays local; no server required.JavaScriptMIT · Permissive634

16apecloud / myduckserverUnified MySQL, Postgres & FlightSQL Server, Powered by DuckDB.GoApache-2.0 · Permissive593

17abilian / olapyOlaPy, an experimental OLAP engine based on PandasPythonLGPL-2.1 · Share derivative source109