A Typst package for drawing musical key signatures

Runtime introspection and unit testing of SwiftUI views

Property-based testing for Swift 6

Harmony provides CloudKit sync for GRDB and only GRDB.

Automated TDD enforcement for Claude Code

mcp-language-server gives MCP enabled clients access semantic tools like get definition, references, rename, and diagnostics.

"Context engineering is the delicate art and science of filling the context window with just the right information for the next step." — Andrej Karpathy. A frontier, first-principles handbook inspi…

🦆 A curated list of awesome DuckDB resources

A Unified Deep Learning Library for Tabular Data

Scalable and efficient data transformation framework - backwards compatible with dbt.

Convert sequences of Rust objects to Arrow tables

Fast, accurate and scalable probabilistic data linkage with support for multiple SQL backends

Utilities for parsing Wikipedia MySQL/MariaDB dumps.

Open Lakehouse Format for Multimodal AI. Convert from Parquet in 2 lines of code for 100x faster random access, vector index, and data versioning. Compatible with Pandas, DuckDB, Polars, Pyarrow, a…

Lightweight and high performance concurrent cache

Serverless HTAP cloud data platform powered by Arrow × DuckDB × Iceberg

A unified interface for distributed computing. Fugue executes SQL, Python, Pandas, and Polars code on Spark, Dask and Ray without any rewrites.

Versioned, fast, distributed Datalog engine for everyone.

dbt enables data analysts and engineers to transform their data using the same practices that software engineers use to build applications.

R Package for 2D and 3D mapping and data visualization

A toolkit for creating data table components with Svelte

Marigold is a programming language for operating on async streams that compiles to Rust 🏵️🦀

Monte Carlo simulation of the NBA season, leveraging dbt, duckdb and evidence.dev

The fastest business intelligence tool for humans and agents.

Official Rust implementation of Apache Arrow

3D framework for Svelte

DuckDB is an analytical in-process SQL database management system

Creusot helps you prove your code is correct in an automated fashion.

Pull current and historical baseball statistics using Python (Statcast, Baseball Reference, FanGraphs)