Lakehouse GitHub Repositories (2026) · Open Source Tools

Object-storage native graph database with branching and typed ontology

World's most powerful open data catalog for building a high-performance, geo-distributed and federated metadata lake.

Apache Doris is a real-time analytics and hybrid search database for AI agents.

ClickHouse® is a real-time analytics database management system

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

Open-source ETL/ELT you deploy on your own servers or cloud. Built on DuckDB: no-code/low-code visual pipelines or SQL, 385 components, dbt, CDC, data quality, reverse ETL, lineage, MCP for AI agents. No vendor cloud, no per-row billing.

The official home of the Presto distributed SQL query engine for big data

Apache Fluss is a streaming storage built for real-time analytics.

OLake - Fastest Databases, Kafka & S3 Replication to Apache Iceberg with Table optimization (Called OLake Fusion). ⚡ Efficient, quick and scalable data ingestion for real-time analytics. Supported sources : Postgres, MongoDB, MySQL, Oracle, MSSql, DB2, Kafka, S3.

Apache Iceberg REST Catalog in Rust — access control, credential vending and audit for every engine and AI agent. Apache 2.0.

Drop-in Apache Spark replacement written in Rust, unifying batch processing, stream processing, and compute-intensive AI workloads.

LakeSoul is an end-to-end, realtime cloud-native Lakehouse framework for fast data ingestion, concurrent updates, incremental analytics, multimodal data processing and vector search — powering next-generation BI and AI workloads.

YTsaurus is a scalable and fault-tolerant open-source big data platform.

Apache Polaris, the interoperable, open source catalog for Apache Iceberg

Native lakehouse experience in Postgres powered by DuckDB & DuckLake

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.