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Local-first ETL/ELT studio: a drag-and-drop visual pipeline designer that compiles to SQL and runs on DuckDB. Tiny desktop app, no servers, git-friendly workspaces.
A lightweight, cloud-native GIS platform for visualizing, exploring, and analyzing geospatial data. It runs in the web browser, on the desktop, on mobile, and inside Jupyter notebooks, all while ke…
Schema-driven affordances for collections, resources, and beyond. Declare shape + capabilities once via Zod schemas, get UI config, state management, data access, and API interfaces.
This extension, Duck_Geoarrow, provides functions to convert between WKB (Well-Known Binary) geometry and the GeoArrow coordinate encoding, powered by the geoarrow-c library.
Production-grade Arrow FlightSQL gateway in front of DuckDB Quack + DuckLake. Multi-tenant pools, pluggable auth (DB/JWT/OIDC), table-level ACLs, role-aware routing, and a live admin console
A DuckLake data catalog based on quack, deployed to Cloudflare
A TypeScript client library for the Quack protocol
dtour: a tour-de-vis through high-dimensional data
A Rust-native DuckLake engine built on Apache DataFusion
Agent skills for Obsidian. Teach your agent to use Obsidian CLI and open formats including Markdown, Bases, JSON Canvas.
A Rust-powered vector tile generator for R, Python, and DuckDB.
Build interactive dashboards in minutes.
Skills for Real Engineers. Straight from my .claude directory.
HEALPix (Hierarchical Equal Area isoLatitude Pixelization) implementation in Deck.gl
Agent Lattice: a knowledge graph for your codebase, written in markdown.
A Neovim-themed website framework. Vim keybindings, Telescope fuzzy finder, DuckDB SQL console, multiple themes, blog system. Zero build, pure vanilla JS/CSS/HTML.
A package for generating a single ideal location to label polygons.
DuckDB Extension for reading and writing raster files using SQL.
Build production-ready LLM applications and advanced agents using Python, LangChain, and LangGraph. This is the companion repository for the book on generative AI with LangChain.
Transport-agnostic RPC framework built on Apache Arrow IPC serialization. Define RPC interfaces as Python Protocol classes with automatic schema derivation, typed client proxies, and streaming supp…
Client-side, WebGL2 GeoTIFF & Zarr visualization in deck.gl
WeatherLayers GL - Weather Visualization Layers and Controls for deck.gl
A set of libraries to enable AI apps/agents to control frontend web apps by exposing state and actions as tools using MCP