The comprehensive .NET Developer Roadmap for 2025 by seniority level.

A book-in-progress about the Linux kernel and its insides.

Test rom for create-nes-game

The Serenity Operating System 🐞

Programmer & Developer Cook-Book | Covers Programming Languages, Databases, Linux Commands and more.

Technical articles about console architecture

These are the best resources for System Design on the Internet

Studying for a tech interview sucks. Here's an open source cheat sheet to help

A collection of learning resources for curious software engineers

The reference for writing fantastic Rails applications

All the resources you need to get to Senior Engineer and beyond

Course to get into Large Language Models (LLMs) with roadmaps and Colab notebooks.

📚 Roadmap to becoming a distributed systems Ph.D 🎓

Code security scanning tool (SAST) to discover, filter and prioritize security and privacy risks.

How to create an OS from scratch

Linux kernel source tree

xv6 OS

A kit for creating gRPC server/client in Ruby.

Loomio is a collaborative decision making tool

List of Elixir books

htmx for Rails

Pretty print your Ruby objects with style -- in full color and with proper indentation

Your self-hosted, globally interconnected microblogging community

An Open Source YouTube app for privacy

Fine-grained concurrency for Ruby

Architecture decision record (ADR) examples for software planning, IT leadership, and template documentation

Testcontainers for Ruby

A Ruby gem to send your ActionMailer mail through one of several delivery methods, selected by weight.