AI Search & RAG Without Moving Your Data. Get instant answers from your company's knowledge across 100+ apps while keeping data secure. Deploy in minutes, not months.

• UpdatedFeb 20, 2026
• Python

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

• UpdatedFeb 17, 2026
• Java

A Zig template for building DuckDB extensions

• UpdatedMar 16, 2024
• Nix

A list of Presto/Trino resources

• UpdatedAug 7, 2023

P2PDB: A Peer-to-Peer Structured Data Trading System

• UpdatedSep 17, 2022
• Jupyter Notebook

Federated Query Engine over RDF Sources

• UpdatedNov 4, 2025
• Python

Local-first federated analytics query engine using DuckDB.

• UpdatedJan 30, 2025
• Go

A web application for interacting with Solid Pods including data upload and management, data sharing, data privacy editing, [federated] data querying, and query results sharing (developed for the CHIST-ERA TRIPLE project).

• UpdatedSep 16, 2025
• JavaScript

A Python library for querying multiple databases simultaneously through a unified interface, enabling data virtualization without moving data.

• UpdatedJan 13, 2026
• Python

Kvatch CLI is a lightweight command-line tool that lets you connect multiple data sources, define datasets, and run SQL queries across them — all as if they were a single unified database.

• UpdatedFeb 5, 2026

Demonstration of Presto Federated Queries using Ahana PrestoDB Sandbox on AWS

• UpdatedSep 4, 2020
• TSQL

🌳 Performance Inspector and Plan Explorer for Federated Query Engines.

• UpdatedDec 28, 2020
• HTML

This example shows how to use the Union operation to combine data into a single federated query.

• UpdatedFeb 13, 2026
• C#

SPARQL service for OpenPredict, based on rdflib-endpoint

• UpdatedMay 31, 2021
• Python