YashX - Build Your Own

🎨 3D Renderer

JavaScript

How to write your own Virtual DOM

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🎯 Game

C

Handmade Hero

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C

How to Program an NES game in C

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C++

Breakout with OpenGL

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C++

Space Invaders from Scratch

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C#

Learn C# by Building a Simple RPG

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JavaScript

Build Snake using JavaScript, HTML & CSS

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Python

Roguelike Tutorial Revised

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Rust

Adventures in Rust: A Basic 2D Game

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🌿 Git

Haskell

Reimplementing "git clone" in Haskell

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JavaScript

Build GIT - Learn GIT

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Python

Write yourself a Git!

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Python

ugit: Learn Git Internals

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Ruby

Rebuilding Git in Ruby

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🌐 Network Stack

C

Beej's Guide to Network Programming

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C

Let's code a TCP/IP stack

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Ruby

How to build a network stack in Ruby

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🧠 Neural Network

Go

Build a multilayer perceptron

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JavaScript

Neural Networks from scratch

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Python

A Neural Network in 11 lines

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Python

Implement a Neural Network from Scratch

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Python

Neural Networks: Zero to Hero

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💻 Operating System

Assembly

Writing a Tiny x86 Bootloader

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C

Operating Systems: From 0 to 1

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C

How to create an OS from scratch

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C

Kernel 101 – Let's write a Kernel

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Rust

Writing an OS in Rust

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Any

Linux from scratch

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⚛️ Physics Engine

C

Video Game Physics Tutorial

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C++

Game physics series by Allen Chou

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JavaScript

How Physics Engines Work

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📝 Programming Language

C

Build Your Own Lisp

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C

C interpreter that interprets itself

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Go

The Super Tiny Compiler

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Haskell

Write You a Haskell

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Java

Crafting interpreters

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JavaScript

The Super Tiny Compiler

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Python

Let's Build A Simple Interpreter

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Python

How to Write a Lisp Interpreter

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🔍 Regex Engine

C

A Regular Expression Matcher

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Go

How to build a regex engine from scratch

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JavaScript

Build a Regex Engine in Less than 40 Lines

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Python

Build Your Own Regular Expression Engines

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🔎 Search Engine

CSS

A search engine in CSS

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Python

Building a search engine using Redis

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Python

Building A Python-Based Search Engine

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🐚 Shell

C

Tutorial - Write a Shell in C

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C

Writing a UNIX Shell

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Go

Writing a simple shell in Go

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Rust

Build Your Own Shell using Rust

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📄 Template Engine

JavaScript

JavaScript template engine in just 20 lines

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Python

Building a toy template engine in Python

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Python

A Template Engine

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✏️ Text Editor

C

Build Your Own Text Editor

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Python

Python Tutorial: Make Your Own Text Editor

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Rust

Hecto: Build your own text editor in Rust

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👁️ Visual Recognition System

Python

License Plate Recognition with ML

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Python

Facial Recognition Pipeline with Deep Learning

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🧊 Voxel Engine

C++

Let's Make a Voxel Engine

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🌍 Web Browser

Rust

Let's build a browser engine

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Python

Browser Engineering

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🖥️ Web Server

C#

Writing a Web Server from Scratch

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Node.js

Build Your Own Web Server From Scratch

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PHP

Writing a webserver in pure PHP

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Python

Let's Build A Web Server

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Ruby

Building a websockets server from scratch

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🔧 Uncategorized

Any

From NAND to Tetris

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C

Write a hash table in C

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Go

Let's Create a Simple Load Balancer

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JavaScript

Build Your Own Module Bundler - Minipack

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Python

Build a Deep Learning Library

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Rust

Building a DNS server in Rust

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🥽 Augmented Reality

C#

AR App Tutorial with Vuforia and Unity 3D

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C#

How To Unity ARCore

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Python

Augmented Reality with Python and OpenCV

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📡 BitTorrent Client

C#

Building a BitTorrent client from scratch

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Go

BitTorrent client from the ground up

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Node.js

Write your own bittorrent client

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Python

A BitTorrent client in Python 3.5

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⛓️ Blockchain / Cryptocurrency

C#

Programming The Blockchain in C#

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Go

Building Blockchain in Go

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JavaScript

Build your own Blockchain in JavaScript

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JavaScript

Creating a blockchain with JavaScript

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Python

Learn Blockchains by Building One

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Python

Build your own blockchain: a Python tutorial

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TypeScript

Naivecoin: building a cryptocurrency

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Rust

Building A Blockchain in Rust & Substrate

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🤖 Bot

Haskell

Roll your own IRC bot

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Node.js

Create a Discord bot

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Node.js

How to make a responsive telegram bot

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Python

Build Your First Slack Bot

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Python

How To Create a Telegram Bot

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Python

Create a Twitter Bot with Tweepy

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⌨️ Command-Line Tool

Go

Visualize git contributions with Go

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Go

Build a command line app: lolcat

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Node.js

Create a CLI tool in Javascript

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Rust

Command line apps in Rust

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💾 Database

C

Let's Build a Simple Database

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C++

Build Your Own Redis from Scratch

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C#

Build Your Own Database

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Go

Build Your Own Database from Scratch

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Go

Build Your Own Redis from Scratch

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Python

Write your own miniature Redis

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🐳 Docker

C

Linux containers in 500 lines of code

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Go

Build Container in Less than 100 Lines

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Python

Rebuild Docker from Scratch

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Shell

Docker in around 100 lines of bash

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🎮 Emulator / Virtual Machine

C

Write your Own Virtual Machine

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C

Writing a Game Boy emulator, Cinoop

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C++

How to write an emulator (CHIP-8)

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C++

NES Emulator From Scratch

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JavaScript

GameBoy Emulation in JavaScript

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Rust

Building a partial Game Boy emulator

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⚛️ Front-end Framework / Library

JavaScript

WTF is JSX (Let's Build a JSX Renderer)

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JavaScript

A DIY guide to build your own React

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JavaScript

Build Yourself a Redux

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JavaScript

Build your own React

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JavaScript

Let's Write Redux!

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