An in-process reimplementation of PostgreSQL, backed by a SQLite-compatible storage engine

A minimal Python library for Apache Arrow, connecting to the Rust Arrow crate

The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.

AI agent toolkit: coding agent CLI, unified LLM API, TUI & web UI libraries, Slack bot, vLLM pods

Rayon: A data parallelism library for Rust

Squid Web Proxy Cache

A collection of lower-level libraries for composable network services.

Actix Web is a powerful, pragmatic, and extremely fast web framework for Rust.

Minimal Documentation Framework, powered by React + Vite.

GeoArrow in Rust, Python, and JavaScript (WebAssembly) with vectorized geometry operations

Code repo for paper: Effective Strategies for Asynchronous Software Engineering Agents

Beginner, advanced, expert level Rust training material

The fastest macOS package manager. Written in Zig. 3ms warm installs.

Manage Multimodal Agentic Context Lifecycle with Lance

🤖 Automated bot/agent for developer workflows

Access control for DuckLake lakehouses

A simple fake AWS S3 object storage (used for local test-runs against AWS S3 APIs)

🚀 Kew - A Fast, Redis-backed Task Queue Manager for Python

⚡ Ultra-fast data validation for Python & TypeScript. Drop-in Pydantic/Zod replacement powered by Zig + SIMD WASM.

FastAPI-compatible Python framework with Zig HTTP core; 7x faster, free-threading native

A simple and efficient Zig native S3 client library, supporting AWS S3 and S3-compatible services like MINIO.

Privacy-first API platform built with Tauri v2. No login, no cloud, ~60 MB RAM. A lightweight Postman alternative.

Code examples for my book "Secure APIs"

A simple, extensible Markov chain generator.

DuckLake on Hetzner for under 15 euros a month.

HTTP Request & Response Service, written in Python + Flask.