📚 Freely available programming books

A collection of useful .gitignore templates

Get up and running with OpenAI gpt-oss, DeepSeek-R1, Gemma 3 and other models.

Fast, unopinionated, minimalist web framework for node.

Source code for the X Recommendation Algorithm

🐙 Guides, papers, lessons, notebooks and resources for prompt engineering, context engineering, RAG, and AI Agents.

Go implementation of the Ethereum protocol

Bootstrap Kubernetes the hard way. No scripts.

A curated list of awesome awesomeness

An interactive git visualization and tutorial. Aspiring students of git can use this app to educate and challenge themselves towards mastery of git!

Give your JS App some Backbone with Models, Views, Collections, and Events

Patched fonts for Powerline users.

Guzzle, an extensible PHP HTTP client

FizzBuzz Enterprise Edition is a no-nonsense implementation of FizzBuzz made by serious businessmen for serious business purposes.

A command-line tool that makes git easier to use with GitHub.

eBPF-based Networking, Security, and Observability

An incremental parsing system for programming tools

A beautiful replacement for JavaScript's "alert"

Sample code for several design patterns in PHP 8.x

Cross-platform automation framework for all kinds of apps, built on top of the W3C WebDriver protocol

A virtual machine for executing programs written in Hack.

Dropzone is an easy to use drag'n'drop library. It supports image previews and shows nice progress bars.

A PHP parser written in PHP

z - jump around

Build terminal dashboards using ascii/ansi art and javascript

The Rust package manager

A deployment automation tool built on Ruby, Rake, and SSH.

Documentation and Samples for the Official HN API

Spectacular Test Runner for JavaScript

A Terminal Client for MySQL with AutoCompletion and Syntax Highlighting.