#duckdb

An embedded analytical database written in Rust, compatible with DuckDB. Its own columnar format with global dictionaries and multi-column compression, and operators that run directly on the encoded data. The bar is 10x DuckDB on ClickBench at a tenth of the disk.

Go SDK for the VGI (Vector Gateway Interface) protocol — host DuckDB scalar, table, aggregate, and table-in-out functions in an external worker over Arrow IPC.

Open Lakehouse Contract (OLC) is an open YAML specification for declaring a data product's schema, quality rules, transformations, lineage, ownership, service levels (SLAs and SLOs) and materialisation.

Bindings for H3 to DuckDB

Give your agents a secure, containerized SQL sandbox with MCP or API access enabled with DuckDB. No infra required, quick spin-up cycle. Push any CSV — query, analyze, and move on.

dst (data serve tool) — open-source semantic layer and MCP server between the AI your team uses and your data warehouse. Governed answers with the SQL, a grade and a receipt.

Use DuckDB within Excel with the xlDuckDb addin

david8 is lightweight Python SQL builder

The official GizmoSQL Server Python library

An open source emulator for BigQuery.

Big-file data prep that never runs out of memory - an interactive shell and CLI, powered by DuckDB.

No repository description published.

A CLI tool that converts database schemas into the Toon schema definition format.

SQL-style stream processing for the command line and Go

Python client, CLI and local node for WITAN, the agent-to-agent knowledge market. pip install witan-sdk, or run the node as a container: ghcr.io/kor-jongwon/witan-node

CVE/NVD lookup with offline CVSS scoring in DuckDB (Go)

Parse RSS/Atom/JSON feeds into rows in DuckDB (Go, gofeed)