Repository Index

Master programming by recreating your favorite technologies from scratch.

• programming
• tutorials
• tutorial-code
• tutorial-exercises

Implement a ChatGPT-like LLM in PyTorch from scratch, step by step

• gpt
• large-language-models
• llm
• python

Bash is all you need - A nano claude code–like 「agent harness」, built from 0 to 1

• agent
• claude-code
• teaching
• agent-development

How to create an OS from scratch

:snowman: Possibly the smallest compiler ever

A brief computer graphics / rendering course

• opengl
• c-plus-plus
• picture
• graphics

How to Make a Computer Operating System in C++

Translated7 days golang programs from scratch (web framework Gee, distributed cache GeeCache, object relational mapping ORM framework GeeORM, rpc framework GeeRPC etc) A series on writing/implementing things from scratch in 7 days with Go

• learning
• starter-project
• golang
• scratch

:books: Learn to write an embedded OS in Rust :crab:

• rust
• bare-metal
• raspberry-pi-3
• rpi3

Learning operating system development using Linux kernel and Raspberry Pi

• raspberry-pi
• linux-kernel
• osdev
• arm

A Compiler Writing Journey

• compiler
• lexical-analysis
• parsing
• c

mal - Make a Lisp

• mal
• docker
• lisp
• lisp-interpreter

Writing a sqlite clone from scratch in C

• database

TranslatedImplement a minimal vue3 model ( Help you learn more efficiently vue3 source code )

• mini-vue
• vue3-source

MiniOB is a compact database that assists developers in understanding the fundamental workings of a database.

• database
• learn-to-database
• mini-database
• classroom

Official SGLang x Datawhale course on LLM inference: understand inference, build a mini-sglang from scratch, then read the real SGLang source and land your first PR. Available in English and Chinese.

• infra
• llm
• sglang
• cuda

Implementing LLM architectures from scratch in PyTorch

• gemma3
• llama4
• llm
• moe

It's a Swift playground explaining how to create a tiny programming language named Mu

Don't memorize ML. Understand it from first principles including Inference, Cuda, Deep Learning, Data Science and Reinforcement Learning

• cli
• deep-learning
• education
• from-scratch

A foundational and practical guide for effectively learning and progressively building a blockchain from scratch in Go with gRPC

• blockchain
• blockchain-from-scratch
• concurrent-programming
• cryptography

Cryptography Educational Foundations

• mathematics
• rustlang
• zero-knowledge
• cryptography

TranslatedBuild GPT-2 from scratch in PyTorch, step by step

• attention
• chinese
• deep-learning
• from-scratch