Website specification — HTML, accessibility, security, SEO, agent-readiness. Platform-agnostic, sourced, MIT.

A farewell to the craft

This is a collection of Architectural Katas, in JSON format, for use as a database in Kata-driven apps.

[Project] Retrocomputing in Docker

A curated list of awesome System Design (A.K.A. Distributed Systems) resources.

Curated list of design and UI resources from stock photos, web templates, CSS frameworks, UI libraries, tools and much more

Learn how to design systems at scale and prepare for system design interviews

A deliberate practice engine for mastering complex skills

Master programming by recreating your favorite technologies from scratch.

📚 A curated list of papers for Software Engineers

A curated list of free public APIs — searchable, community-maintained, with a free JSON API.

doing a code challenge every day until burnout ensues.

A long list of (advanced) JavaScript questions, and their explanations ✨

A Vinyl-Trading enterprise app built with Node.js + TypeScript using Domain-Driven Design

Ruby's Most Advanced Authentication Framework

Modern encryption for Ruby and Rails

Ruby API makes it easy and fast to search or browse the Ruby language API docs

🔒 A compiled checklist of 300+ tips for protecting digital security and privacy in 2026

A set of over 6000 free MIT-licensed high-quality SVG icons for you to use in your web projects.

Let's explain all the hacker test questions!

Mega list of 1 on 1 meeting questions compiled from a variety to sources

How I write backends

Firefox DevTools UX Community

Learn Go with test-driven development

💎 Artichoke is a Ruby made with Rust

😤 Awesome Identity is a single-page Hugo theme to introduce yourself.

Simple immutable value objects for ruby (the readme is longer than the code)

About 6,500 Irish lemmas ordered by corpus frequency, with noise removed.

A curated list of awesome articles, websites and resources about mental health in the software industry.