Projects — The Codex

🌱 Tier 0 — Absolute Beginner 8 projects

No prior programming knowledge needed. Pure language fundamentals.

T0 Number Guessing Game

PY JS TS GO RS JV KT C C++

T0 Temperature Converter

PY JS TS GO RS JV KT C C++

T0 Calculator

PY JS

T0 Dice Roller

PY JS

T0 Countdown Timer

PY JS

T0 Tip Calculator

PY JS

T0 Mad Libs Generator

PY JS

T0 Basic Quiz

PY JS

🔵 Tier 1 — Beginner 10 projects

You know the basics. Building real, useful tools.

T1 To-Do List

PY JS TS GO RS JV KT C C++

T1 Contact Book

PY JS

T1 Word Counter

PY JS TS GO RS JV KT C C++

T1 Password Generator

PY JS TS GO RS JV KT C C++

T1 Rock Paper Scissors

PY JS

T1 Hangman

PY JS

T1 BMI Calculator

PY JS

T1 Unit Converter

PY JS

T1 Flashcard App

PY JS

T1 Budget Tracker

PY JS

🟠 Tier 2 — Intermediate 12 projects

File I/O, external APIs, data processing. Programs that do real work.

T2 Markdown to HTML

PY JS

T2 CSV Data Analyser

PY JS

T2 Weather CLI

PY JS

T2 JSON Note App

PY JS

T2 Web Scraper

PY JS TS GO RS JV KT C C++

T2 Expense Tracker

PY JS

T2 Quiz Engine

PY JS

T2 Text Adventure

PY JS

T2 Pomodoro Timer

PY JS

T2 File Organizer

PY JS

T2 URL Shortener

PY JS TS GO RS JV KT C C++

T2 Markdown Blog Generator

PY JS

🟣 Tier 3 — Advanced Beginner 12 projects

Servers, networking, databases, persistence. Multi-module programs.

T3 Simple Web Server

PY JS

T3 REST API

PY JS TS GO RS JV KT C C++

T3 CLI Task Manager

PY JS TS GO RS JV KT C C++

T3 Chat (Sockets)

PY JS

T3 Bank Account Simulator

PY

T3 Inventory System

PY JS

T3 Recipe Manager

PY JS

T3 Habit Tracker

PY JS

T3 Command-Line Spreadsheet

PY

T3 Log Analyser

PY JS TS GO RS JV KT C C++

T3 Image Resizer

PY JS

T3 Automated Email Sender

PY

🔴 Tier 4 — Intermediate+ 10 projects

Production patterns: auth, queues, caching, async. Build for scale.

T4 Full REST API with Auth

PY

T4 Task Queue

PY JS

T4 Mini Web Framework

PY JS

T4 ORM

PY JS

T4 Key-Value Store

PY JS

T4 Rate Limiter

PY JS

T4 Caching Layer

PY JS

T4 File Sync Tool

PY

T4 Static Site Generator

PY JS

T4 Real-Time Dashboard

PY

⚫ Tier 5 — Advanced 8 projects

Compilers, runtimes, databases from scratch. Deep CS.

T5 Interpreter

PY JS

T5 Testing Framework

PY JS

T5 Regex Engine

PY JS

T5 Key-Value Database

PY

T5 Load Balancer

PY JS

T5 Container Sandbox

PY JS

T5 Distributed Task System

PY JS

T5 Compiler

PY JS