A fast type checker and language server for Python

An exabyte-scale, multi-region distributed file system

Fast and Lightweight Logs, Metrics and Traces processor for Linux, BSD, OSX and Windows

Java agent to detect blocking calls from non-blocking threads.

Certbot is EFF's tool to obtain certs from Let's Encrypt and (optionally) auto-enable HTTPS on your server. It can also act as a client for any other CA that uses the ACME protocol.

Terraform Hetzner Cloud provider

ArduPlane, ArduCopter, ArduRover, ArduSub source

An extremely fast Python package and project manager, written in Rust.

A GitHub Action to run Ruff

XPath, XSLT

Staging repo for development of native port of TypeScript

An HTTP/1.1 client, written from scratch for Node.js

CLI to show end-of-life dates

An Engine-Agnostic Deep Learning Framework in Java

The systemd System and Service Manager

Apache OpenDAL: One Layer, All Storage.

Sets up Terraform CLI in your GitHub Actions workflow.

Evolving the Prometheus exposition format into a standard.

Add hardship to your tests

👻 Ghostty is a fast, feature-rich, and cross-platform terminal emulator that uses platform-native UI and GPU acceleration.

S3 Filesystem

A self-contained firewall checker

Pure Python asyncio connector to KDB using only builtin core data types

An open-source storage framework that enables building a Lakehouse architecture with compute engines including Spark, PrestoDB, Flink, Trino, and Hive and APIs

The open-source package registry for modern JavaScript and TypeScript

A reactive notebook for Python — run reproducible experiments, query with SQL, execute as a script, deploy as an app, and version with git. Stored as pure Python. All in a modern, AI-native editor.

build-once run-anywhere c library

Generate images of code and terminal output 📸

Configure AWS credential environment variables for use in other GitHub Actions.

Swish Concurrency Engine