David Montague

zttp. Sans-IO HTTP parser for Python with a Zig core! :zap:

zizmor. Static analysis for GitHub Actions

monty. A minimal, secure Python interpreter written in Rust for use by AI

openclaw-logfire-observability. Full OpenClaw observability in Pydantic Logfire — agent traces, tool calls, metrics, and logs via OpenTelemetry

typeagent-py. Structured RAG: ingest, index, query

pydantic-ai-gateway. TypeScript

code_puppy. Agentic AI for writing code

lsp4ij. LSP & DAP Client for IntelliJ

strict-no-cover. Error on unnecessary `pragma: no cover` comments.

systematically-improving-rag. HTML

A2A. Agent2Agent (A2A) is an open protocol enabling communication and interoperability between opaque agentic applications.

playwright-mcp. Playwright MCP server

agentic-ai-design-patterns. Python

fastmcp. 🚀 The fast, Pythonic way to build MCP servers and clients.

vortex. An extensible, state-of-the-art framework for columnar compression, and the fastest FOSS columnar file format. Formerly at @spiraldb, now an Incubation Stage project at LFAI&Data, part of the Linux Foundation.

pydantic-ai. AI Agent Framework, the Pydantic way

react-reverse-portal. React reparenting :atom_symbol: Build an element once, move it anywhere

logfire. AI observability platform for production LLM and agent systems.

mirascope. The LLM Anti-Framework

FastUI. Build better UIs faster.

ruff. An extremely fast Python linter and code formatter, written in Rust.

aicli. OpenAI powered AI CLI in just a few lines of code.

sqlglot. Python SQL Parser and Transpiler

diy-air-quality-monitor. A DIY Air Quality Monitor to know how bad the air is in your house

python-devtools. Dev tools for python

cli. 🥧 HTTPie CLI — modern, user-friendly command-line HTTP client for the API era. JSON support, colors, sessions, downloads, plugins & more.

pgjobq. Atomic low latency job queues running on Postgres

hatch. Modern, extensible Python project management

speedate. Fast and simple datetime, date, time and duration parsing for rust.

hooky. Productivity tools for popular open source repos, used by pydantic

pydantic-settings. Settings management using pydantic

pydantic-extra-types. Extra Pydantic types.

just. 🤖 Just a command runner

miniserve. 🌟 For when you really just want to serve some files over HTTP right now!

cargo-aoc. Rust

ts-node. TypeScript execution and REPL for node.js

yewprint. Port of blueprintjs.com to Yew

graphile-engine. Monorepo home of graphile-build, graphile-build-pg, graphile-utils, postgraphile-core and graphql-parse-resolve-info. Build a high-performance easily-extensible GraphQL schema by combining plugins!

lorikeet. A Parallel test runner for DevOps

dotfiles. :wrench: .files, including ~/.macos — sensible hacker defaults for macOS

cxx. Safe interop between Rust and C++

rusty-celery. 🦀 Rust implementation of Celery for producing and consuming background tasks

nlp-recipes. Natural Language Processing Best Practices & Examples

pythonocc-core. Python package for 3D geometry CAD/BIM/CAM

dlint. Dlint is a tool for encouraging best coding practices and helping ensure Python code is secure.

API-Security-Checklist. Checklist of the most important security countermeasures when designing, testing, and releasing your API

git-actions. A GitHub Action to run arbitrary git commands

setuptools-rust. Setuptools plugin for Rust support

pachyderm. Data-Centric Pipelines and Data Versioning

dotfiles. 🖥️ Automated Configuration, Preferences and Software Installation for macOS

mkautodoc. Auto documentation for MkDocs 📘

cppimport. Import C++ files directly from Python!

_dotfiles. Place to host my dotfiles.

rust-graphql-docker. Scratch-Containerised Rust GraphQL-API using Dataloaders

pueue. :stars: Manage your shell commands.

timezone-boundary-builder. A tool to extract data from Open Street Map (OSM) to build the boundaries of the world's timezones.

criterion.rs. Statistics-driven benchmarking library for Rust

scikit-geometry. Scientific Python Geometric Algorithms Library

CrossHair. An analysis tool for Python that blurs the line between testing and type systems.

rtoml. A fast TOML library for python implemented in rust.

rust-numpy. PyO3-based Rust bindings of the NumPy C-API

serde-wasm-bindgen. Native integration of Serde with wasm-bindgen

free-for-dev. A list of SaaS, PaaS and IaaS offerings that have free tiers of interest to devops and infradev

thinc. 🔮 A refreshing functional take on deep learning, compatible with your favorite libraries

strawberry. A GraphQL library for Python that leverages type annotations 🍓

typer. Typer, build great CLIs. Easy to code. Based on Python type hints.

rust. Empowering everyone to build reliable and efficient software.

lazydocker. The lazier way to manage everything docker

hadolint. Dockerfile linter, validate inline bash, written in Haskell

httpx-oauth. Async OAuth client using HTTPX

OpenSwiftUI. WIP — OpenSwiftUI is an OpenSource implementation of Apple's SwiftUI DSL.

yappi. Yet Another Python Profiler, but this time multithreading, asyncio and gevent aware.

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

honesty. sdist/bdist validator

mkcert. A simple zero-config tool to make locally trusted development certificates with any names you'd like.

annoy. Approximate Nearest Neighbors in C++/Python optimized for memory usage and loading/saving to disk

awesome-python. An opinionated list of Python frameworks, libraries, tools, and resources

msgpack-asgi. Drop-in MessagePack support for ASGI applications and frameworks

spleeter. Deezer source separation library including pretrained models.

pytest-mypy-plugins. pytest plugin for testing mypy types, stubs, and plugins

arq. Fast job queuing and RPC in python with asyncio and redis.

jet-bridge. Jet Admin – No-code Business App builder

orjson. Fast, correct Python JSON library supporting dataclasses, datetimes, and numpy

pyenv. Simple Python version management

uvicorn. An ASGI web server, for Python. 🦄

sentry-python. The official Python SDK for Sentry.io

async-asgi-testclient. A framework-agnostic library for testing ASGI web applications

cruft. Allows you to maintain all the necessary cruft for packaging and building projects separate from the code you intentionally write. Built on-top of, and fully compatible with, CookieCutter.

starship. ☄🌌️ The minimal, blazing-fast, and infinitely customizable prompt for any shell!

docker-compose-healthcheck. How to wait for container X before starting Y using docker-compose healthcheck

cleo. Cleo allows you to create beautiful and testable command-line interfaces.

celery. Distributed Task Queue (development branch)

sqlalchemy-utils. Various utility functions and datatypes for SQLAlchemy.

returns. Make your functions return something meaningful, typed, and safe!

Ackee. Self-hosted, Node.js based analytics tool for those who care about privacy.

async-lru. Simple LRU cache for asyncio

impulse. Impulse is a command line tool for exploring the imports in a Python package.

sqlalchemy. The Database Toolkit for Python

asyncom. Async python OM

elasticsearch-py-async. Backend for elasticsearch-py based on python's asyncio module.

PySnooper. Never use print for debugging again

pydantic-pycharm-plugin. PyCharm plugin for pydantic. This plugin provides autocompletion, inspection, type-checking, inserting unfilled argument, and more.

datamodel-code-generator. Generate Pydantic v2 models, dataclasses, TypedDict, and msgspec.Struct from OpenAPI, JSON Schema, GraphQL, Avro, Protobuf, and raw JSON/YAML/CSV.

fastapi_client. FastAPI client generator

cookiecutter. A cross-platform command-line utility that creates projects from cookiecutters (project templates), e.g. Python package projects, C projects.

httpx. A next generation HTTP client for Python. 🦋

traefik. The Cloud Native Application Proxy

poetry. Python packaging and dependency management made easy

cgal. The public CGAL repository, see the README below

pybind11. Seamless operability between C++11 and Python

mypy-PyCharm-plugin. A simple plugin that allows running mypy from PyCharm and navigate between errors

mypy. Optional static typing for Python

ormantic. Async ORM + Pydantic = Ormantic ❤️

typing_inspect. Runtime inspection utilities for Python typing module

cpip. Shell

timing-asgi. ASGI middleware to record and emit timing metrics (to something like statsd)

starlette. The little ASGI framework that shines. 🌟

pydantic. Data validation using Python type hints

scikit-build. Improved build system generator for CPython C, C++, Cython and Fortran extensions

databases. Async database support for Python. 🗄

pydbg. Python implementation of the Rust `dbg` macro

dockerswarm.rocks. Docker Swarm mode rocks! Ideas, tools and recipes. Get a production-ready, distributed, HTTPS served, cluster in minutes, not weeks.

fastapi. FastAPI framework, high performance, easy to learn, fast to code, ready for production

cuda_example. Example pybind11 module built with a CMake-based build system

xeus-cling. Jupyter kernel for the C++ programming language

Open3D. Open3D: A Modern Library for 3D Data Processing