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Learn to code with freeCodeCamp

Name: Learn to code with freeCodeCamp
Author: freeCodeCamp

Get free programming education with freeCodeCamp, for startup founders and beginners.

453,019 stars45,712 forksTypeScriptHealth Score 8/10Updated 7/28/2026100% free · open source

What it does

FreeCodeCamp provides a platform for startup founders and beginners to learn programming skills through interactive coding challenges and projects.

Install / run

git clone https://github.com/freeCodeCamp/freeCodeCamp.git

When to use it

•You need to learn programming fundamentals to better understand your development team's work
•You want to hire developers but don't know how to assess their skills
•You're building a MVP and need to prototype or test coding ideas quickly

Quick start

1Navigate to the cloned repository with `cd freeCodeCamp`
2Run `npm run setup` to configure the project
3Start the application with `npm run develop`
4Open a web browser and navigate to `http://localhost:8000` to access the freeCodeCamp platform
5Start with the 'Introduction to JavaScript' challenge in the `#/learn` section

Ready-to-paste prompt

Complete the 'Palindromes' challenge in the 'Basic Algorithm Scripting' section with the following code: `function palindrome(str) { ... }`

Heads up: Make sure you have Node.js version 16 or higher installed on your system, as freeCodeCamp requires it to run

Saves to your device

Topics

careers

certification

community

curriculum

education

freecodecamp

javascript

learn-to-code

math

nodejs

nonprofits

programming

react

teachers

How Learn to code with freeCodeCamp works

Codeflow

Free to inspect

Learn to code with freeCodeCamp is a very large TypeScript project (~159k lines across 1180 code files). It is a full software project: use it through its install path rather than reading it end to end. Last commit this month, BSD-3-Clause license, has a test suite.

Size

Very large codebase

~159k lines · 1180 code files · days to read — use, don't read

Setup

Developer setup

A real software project. Use it via its install path; don't expect to read it all.

Runs on

Node.js · Docker

No API keys detected

TypeScript 62%JavaScript 34%CSS 4%

What happens, step by step

Learn coding for free