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Awesome list of from-scratch project

• NAND2Tetris: Building a Modern Computer from First Principles

• Linux From Scratch: Linux From Scratch (LFS) is a project that provides you with step-by-step instructions for building your own custom Linux system, entirely from source code.

• CodeCrafters: On CodeCrafters, you build real projects as a way to get good at your craft.

• LLM-from-scratch (@rabst): This repository contains the code for developing, pretraining, and finetuning a GPT-like LLM.