Rich matchers inspired by Hamcrest. Useful for generating helpful assertion failure messages in tests.
DuckDB powered by WebAssembly
DQL database connectors for local files, SQL warehouses, and lakehouse engines
DQL Language Server Protocol implementation
Notebook document model and execution helpers for DQL
DQL Governance: block testing, certification, cost estimation, and access policies
DQL project and block registry primitives: block metadata, versions, sync, and storage adapters
DQL compiler: IR lowering, Vega-Lite code generation, HTML/CSS emitting
Stable plugin contracts for DQL — connectors, chart renderers, governance rule packs. Frozen at v1.0.
DuckDB node.js API
DuckDB powered by WebAssembly
hpcc-js - WASM DuckDB
DuckDB powered by WebAssembly
VGI (Vector Gateway Interface) — DuckDB extension for extending DuckDB in any language over Apache Arrow IPC. No C++/compilation required.
Shared Pondview bridge protocol schemas, types, and client.
DuckDB-over-HTTP client and CLI for Rip — talks to a duckdb-harbor instance
Config-driven ETL toolkit for ERP data migrations
n8n community node to run SQL and browse the catalog on a Quack on Demand FlightSQL edge
A MapLibre GL JS plugin for visualizing vector data (GeoJSON, GeoPackage, Shapefile, GeoParquet, FlatGeobuf, CSV) powered by DuckDB-WASM with dynamic vector tiles
Pokemon TCG Pocket MCP server and CLI for deck building, card analysis, and competitive strategy
WebAssembly (threads) build of the Haybarn extension 'vgi' for duckdb-wasm. Built against haybarn 1.5.4. Pick the variant (mvp/eh/threads) matching your duckdb-wasm bundle.