Data Agent Ready Warehouse : One for Analytics, Search, AI, Python Sandbox. — rebuilt from scratch. Unified architecture on your S3.

Simple, Elastic-quality search for Postgres

Apache DataFusion SQL Query Engine

Apache DataFusion Ballista Distributed Query Engine

An educational OLAP database system.

Ergonomic bindings to duckdb for Rust

Scalable graph analytics database powered by a multithreaded, vectorized temporal engine, written in Rust

DuckDB-powered data lake analytics from Postgres

Another OLAP database

Databend 内幕大揭秘

Flock: A Low-Cost Streaming Query Engine on FaaS Platforms

DuckLake took Flight. Welcome to SwanLake.

sqlrs is an in-process sql query engine

Experimental version. A BYOC option for Snowflake workloads

VectorDB is a free analytics DBMS for IoT & Big Data, compatible with ClickHouse.

MCP server for Apache Iceberg

In a nutshell, EinsteinDB is a persistent indexing scheme based off of LSH-KVX that exploits the distinct merits of hash index and B+-Tree index to support range scan and avoids long NVM writes for maintaining consistency; thus improving on LSH’s performance guarantees for skewed data and adopts ordered-write consistency to ensure crash consiste…

DuckDB Pyroscope Extension for Continuous Profiling

In-memory OLAP SQL server for object storage data.

Blockchain indexer and query engine