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https://github.com/freecodecamp/freecodecamp

freeCodeCamp.org's open-source codebase and curriculum. Learn to code for free.
https://github.com/freecodecamp/freecodecamp
careers certification community curriculum d3 education freecodecamp hacktoberfest javascript learn-to-code math nodejs nonprofits programming react teachers
Last synced: 5 days ago
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freeCodeCamp.org's open-source codebase and curriculum. Learn to code for free.
Host: GitHub
URL: https://github.com/freecodecamp/freecodecamp
Owner: freeCodeCamp
License: bsd-3-clause
Created: 2014-12-24T17:49:19.000Z (almost 10 years ago)
Default Branch: main
Last Pushed: 2024-10-29T09:12:04.000Z (about 2 months ago)
Last Synced: 2024-10-29T09:21:22.146Z (about 2 months ago)
Topics: careers, certification, community, curriculum, d3, education, freecodecamp, hacktoberfest, javascript, learn-to-code, math, nodejs, nonprofits, programming, react, teachers
Language: TypeScript
Homepage: https://contribute.freecodecamp.org
Size: 449 MB
Stars: 404,698
Watchers: 8,546
Forks: 37,948
Open Issues: 243
Metadata Files:
- Readme: README.md
- Contributing: CONTRIBUTING.md
- Funding: .github/FUNDING.yml
- License: LICENSE.md
- Code of conduct: CODE_OF_CONDUCT.md
- Codeowners: .github/CODEOWNERS
Awesome Lists containing this project

README

        [![freeCodeCamp Social Banner](https://cdn.freecodecamp.org/platform/universal/fcc_banner_new.png)](https://www.freecodecamp.org/)

[![Pull Requests Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg?style=flat)](http://makeapullrequest.com)

[![first-timers-only Friendly](https://img.shields.io/badge/first--timers--only-friendly-blue.svg)](http://www.firsttimersonly.com/)

[![Open Source Helpers](https://www.codetriage.com/freecodecamp/freecodecamp/badges/users.svg)](https://www.codetriage.com/freecodecamp/freecodecamp)

[![Setup Automated](https://img.shields.io/badge/setup-automated-blue?logo=gitpod)](https://gitpod.io/from-referrer/)

[![Discord](https://img.shields.io/discord/692816967895220344?logo=discord&label=Discord&color=5865F2)](https://discord.gg/PRyKn3Vbay)

## freeCodeCamp.org's open-source codebase and curriculum

[freeCodeCamp.org](https://www.freecodecamp.org) is a friendly community where you can learn to code for free. It is run by a [donor-supported 501(c)(3) charity](https://www.freecodecamp.org/donate) to help millions of busy adults transition into tech. Our community has already helped more than 40,000 people get their first developer job.

Our full-stack web development and machine learning curriculum is completely free and self-paced. We have thousands of interactive coding challenges to help you expand your skills.

## Table of Contents

- [Certifications](#certifications)

- [The Learning Platform](#the-learning-platform)

- [Reporting Bugs and Issues](#reporting-bugs-and-issues)

- [Reporting Security Issues and Responsible Disclosure](#reporting-security-issues-and-responsible-disclosure)

- [Contributing](#contributing)

- [Platform, Build and Deployment Status](#platform-build-and-deployment-status)

- [License](#license)

### Certifications

freeCodeCamp.org offers several free developer certifications. Each of these certifications involves building 5 required web app projects, along with hundreds of optional coding challenges to help you prepare for those projects. We estimate that each certification will take a beginner programmer around 300 hours to earn.

Each of these 50 projects in the freeCodeCamp.org curriculum has its own agile user stories and automated tests. These help you build up your project incrementally and ensure you've fulfilled all the user stories before you submit it.

You can pull in these test suites through [freeCodeCamp's CDN](https://cdn.freecodecamp.org/testable-projects-fcc/v1/bundle.js). This means you can build these projects on websites like CodePen and Replit - or even on your local computer's development environment.

Once you've earned a certification, you will always have it. You will always be able to link to it from your LinkedIn or resume. And when your prospective employers or freelance clients click that link, they'll see a verified certification specific to you.

The one exception to this is if we discover violations of our [Academic Honesty Policy](https://www.freecodecamp.org/news/academic-honesty-policy/). When we catch people unambiguously plagiarizing (submitting other people's code or projects as their own without citation), we do what all rigorous institutions of learning should do - we revoke their certifications and ban those people.

Here are our twelve core certifications:

#### 1. [Responsive Web Design Certification](https://www.freecodecamp.org/learn/2022/responsive-web-design/)

- [Learn HTML by Building a Cat Photo App](https://www.freecodecamp.org/learn/2022/responsive-web-design/#learn-html-by-building-a-cat-photo-app)

- [Learn Basic CSS by Building a Cafe Menu](https://www.freecodecamp.org/learn/2022/responsive-web-design/#learn-basic-css-by-building-a-cafe-menu)

- [Learn CSS Colors by Building a Set of Colored Markers](https://www.freecodecamp.org/learn/2022/responsive-web-design/#learn-css-colors-by-building-a-set-of-colored-markers)

- [Learn HTML Forms by Building a Registration Form](https://www.freecodecamp.org/learn/2022/responsive-web-design/#learn-html-forms-by-building-a-registration-form)

- [Learn the CSS Box Model by Building a Rothko Painting](https://www.freecodecamp.org/learn/2022/responsive-web-design/#learn-the-css-box-model-by-building-a-rothko-painting)

- [Learn CSS Flexbox by Building a Photo Gallery](https://www.freecodecamp.org/learn/2022/responsive-web-design/#learn-css-flexbox-by-building-a-photo-gallery)

- [Learn Typography by Building a Nutrition Label](https://www.freecodecamp.org/learn/2022/responsive-web-design/#learn-typography-by-building-a-nutrition-label)

- [Learn Accessibility by Building a Quiz](https://www.freecodecamp.org/learn/2022/responsive-web-design/#learn-accessibility-by-building-a-quiz)

- [Learn More About CSS Pseudo Selectors by Building A Balance Sheet](https://www.freecodecamp.org/learn/2022/responsive-web-design/#learn-more-about-css-pseudo-selectors-by-building-a-balance-sheet)

- [Learn Intermediate CSS by Building a Picasso Painting](https://www.freecodecamp.org/learn/2022/responsive-web-design/#learn-intermediate-css-by-building-a-picasso-painting)

- [Learn Responsive Web Design by Building a Piano](https://www.freecodecamp.org/learn/2022/responsive-web-design/#learn-responsive-web-design-by-building-a-piano)

- [Learn CSS Variables by Building a City Skyline](https://www.freecodecamp.org/learn/2022/responsive-web-design/#learn-css-variables-by-building-a-city-skyline)

- [Learn CSS Grid by Building a Magazine](https://www.freecodecamp.org/learn/2022/responsive-web-design/#learn-css-grid-by-building-a-magazine)

- [Learn CSS Transforms by Building a Penguin](https://www.freecodecamp.org/learn/2022/responsive-web-design/#learn-css-transforms-by-building-a-penguin)

- [Learn CSS Animations by Building a Ferris Wheel](https://www.freecodecamp.org/learn/2022/responsive-web-design/#learn-css-animation-by-building-a-ferris-wheel)

  


  


  **Projects**: [Survey Form](https://www.freecodecamp.org/learn/2022/responsive-web-design/build-a-survey-form-project/build-a-survey-form), [Tribute Page](https://www.freecodecamp.org/learn/2022/responsive-web-design/build-a-tribute-page-project/build-a-tribute-page), [Technical Documentation Page](https://www.freecodecamp.org/learn/2022/responsive-web-design/build-a-technical-documentation-page-project/build-a-technical-documentation-page), [Product Landing Page](https://www.freecodecamp.org/learn/2022/responsive-web-design/build-a-product-landing-page-project/build-a-product-landing-page), [Personal Portfolio Webpage](https://www.freecodecamp.org/learn/2022/responsive-web-design/build-a-personal-portfolio-webpage-project/build-a-personal-portfolio-webpage)

#### 2. [JavaScript Algorithms and Data Structures Certification](https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures-v8/)

- [Learn Introductory JavaScript by Building a Pyramid Generator](https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures-v8/#learn-introductory-javascript-by-building-a-pyramid-generator)

- [Learn Basic JavaScript by Building a Role Playing Game](https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures-v8/#learn-basic-javascript-by-building-a-role-playing-game)

- [Learn Form Validation by Building a Calorie Counter](https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures-v8/#learn-form-validation-by-building-a-calorie-counter)

- [Learn Basic String and Array Methods by Building a Music Player](https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures-v8/#learn-basic-string-and-array-methods-by-building-a-music-player)

- [Learn the Date Object by Building a Date Formatter](https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures-v8/#learn-the-date-object-by-building-a-date-formatter)

- [Learn Modern JavaScript Methods By Building Football Team Cards](https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures-v8/#learn-modern-javascript-methods-by-building-football-team-cards)

- [Learn localStorage by Building a Todo App](https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures-v8/#learn-localstorage-by-building-a-todo-app)

- [Learn Recursion by Building a Decimal to Binary Converter](https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures-v8/#learn-recursion-by-building-a-decimal-to-binary-converter)

- [Learn Basic Algorithmic Thinking by Building a Number Sorter](https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures-v8/#learn-basic-algorithmic-thinking-by-building-a-number-sorter)

- [Learn Advanced Array Methods by Building a Statistics Calculator](https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures-v8/#learn-advanced-array-methods-by-building-a-statistics-calculator)

- [Learn Functional Programming by Building a Spreadsheet](https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures-v8/#learn-functional-programming-by-building-a-spreadsheet)

- [Learn Regular Expressions by Building a Spam Filter](https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures-v8/#learn-regular-expressions-by-building-a-spam-filter)

- [Learn Basic OOP by Building a Shopping Cart](https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures-v8/#learn-basic-oop-by-building-a-shopping-cart)

- [Learn Intermediate OOP by Building a Platformer Game](https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures-v8/#learn-intermediate-oop-by-building-a-platformer-game)

- [Learn Intermediate Algorithmic Thinking by Building a Dice Game](https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures-v8/#review-algorithmic-thinking-by-building-a-dice-game)

- [Learn Fetch and Promises By Building an fCC Authors Page](https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures-v8/#learn-fetch-and-promises-by-building-an-fcc-authors-page)

- [Learn Asynchronous Programming by Building an fCC Forum Leaderboard](https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures-v8/#learn-asynchronous-programming-by-building-an-fcc-forum-leaderboard)

  


  


  **Projects**: [Palindrome Checker](https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures-v8/build-a-palindrome-checker-project/build-a-palindrome-checker), [Roman Numeral Converter](https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures-v8/build-a-roman-numeral-converter-project/build-a-roman-numeral-converter), [Telephone Number Validator](https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures-v8/build-a-telephone-number-validator-project/build-a-telephone-number-validator), [Cash Register](https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures-v8/build-a-cash-register-project/build-a-cash-register), [Pokémon Search App](https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures-v8/build-a-pokemon-search-app-project/build-a-pokemon-search-app)

#### 3. [Front End Libraries Certification](https://www.freecodecamp.org/learn/front-end-development-libraries/)

- [Bootstrap](https://www.freecodecamp.org/learn/front-end-development-libraries/#bootstrap)

- [jQuery](https://www.freecodecamp.org/learn/front-end-development-libraries/#jquery)

- [Sass](https://www.freecodecamp.org/learn/front-end-development-libraries/#sass)

- [React](https://www.freecodecamp.org/learn/front-end-development-libraries/#react)

- [Redux](https://www.freecodecamp.org/learn/front-end-development-libraries/#redux)

- [React and Redux](https://www.freecodecamp.org/learn/front-end-development-libraries/#react-and-redux)

  


  


  **Projects**: [Random Quote Machine](https://www.freecodecamp.org/learn/front-end-development-libraries/front-end-development-libraries-projects/build-a-random-quote-machine), [Markdown Previewer](https://www.freecodecamp.org/learn/front-end-development-libraries/front-end-development-libraries-projects/build-a-markdown-previewer), [Drum Machine](https://www.freecodecamp.org/learn/front-end-development-libraries/front-end-development-libraries-projects/build-a-drum-machine), [JavaScript Calculator](https://www.freecodecamp.org/learn/front-end-development-libraries/front-end-development-libraries-projects/build-a-javascript-calculator), [25 + 5 Clock](https://www.freecodecamp.org/learn/front-end-development-libraries/front-end-development-libraries-projects/build-a-25--5-clock)

#### 4. [Data Visualization Certification](https://www.freecodecamp.org/learn/data-visualization/)

- [Data Visualization with D3](https://www.freecodecamp.org/learn/data-visualization/#data-visualization-with-d3)

- [JSON APIs and Ajax](https://www.freecodecamp.org/learn/data-visualization/#json-apis-and-ajax)

  


  


  **Projects**: [Bar Chart](https://www.freecodecamp.org/learn/data-visualization/data-visualization-projects/visualize-data-with-a-bar-chart), [Scatterplot Graph](https://www.freecodecamp.org/learn/data-visualization/data-visualization-projects/visualize-data-with-a-scatterplot-graph), [Heat Map](https://www.freecodecamp.org/learn/data-visualization/data-visualization-projects/visualize-data-with-a-heat-map), [Choropleth Map](https://www.freecodecamp.org/learn/data-visualization/data-visualization-projects/visualize-data-with-a-choropleth-map), [Treemap Diagram](https://www.freecodecamp.org/learn/data-visualization/data-visualization-projects/visualize-data-with-a-treemap-diagram)

#### 5. [Relational Database](https://www.freecodecamp.org/learn/relational-database/)

- [Learn Bash by Building a Boilerplate](https://www.freecodecamp.org/learn/relational-database/#learn-bash-by-building-a-boilerplate)

- [Learn Relational Databases by Building a Mario Database](https://www.freecodecamp.org/learn/relational-database/#learn-relational-databases-by-building-a-mario-database)

- [Learn Bash Scripting by Building Five Programs](https://www.freecodecamp.org/learn/relational-database/#learn-bash-scripting-by-building-five-programs)

- [Learn SQL by Building a Student Database: Part 1](https://www.freecodecamp.org/learn/relational-database/#learn-sql-by-building-a-student-database-part-1)

- [Learn SQL by Building a Student Database: Part 2](https://www.freecodecamp.org/learn/relational-database/#learn-sql-by-building-a-student-database-part-2)

- [Learn Advanced Bash by Building a Kitty Ipsum Translator](https://www.freecodecamp.org/learn/relational-database/#learn-advanced-bash-by-building-a-kitty-ipsum-translator)

- [Learn Bash and SQL by Building a Bike Rental Shop](https://www.freecodecamp.org/learn/relational-database/#learn-bash-and-sql-by-building-a-bike-rental-shop)

- [Learn Nano by Building a Castle](https://www.freecodecamp.org/learn/relational-database/#learn-nano-by-building-a-castle)

- [Learn Git by Building an SQL Reference Object](https://www.freecodecamp.org/learn/relational-database/#learn-git-by-building-an-sql-reference-object)

  


  


  **Projects**: [Salon Appointment Scheduler](https://www.freecodecamp.org/learn/relational-database/#build-a-salon-appointment-scheduler-project), [Celestial Bodies Database](https://www.freecodecamp.org/learn/relational-database/#build-a-celestial-bodies-database-project), [Periodic Table Database](https://www.freecodecamp.org/learn/relational-database/#build-a-periodic-table-database-project), [Number Guessing Game](https://www.freecodecamp.org/learn/relational-database/#build-a-number-guessing-game-project), [World Cup Database](https://www.freecodecamp.org/learn/relational-database/#build-a-world-cup-database-project)

#### 6. [Back End Development and APIs Certification](https://www.freecodecamp.org/learn/back-end-development-and-apis/)

- [Managing Packages with Npm](https://www.freecodecamp.org/learn/back-end-development-and-apis/#managing-packages-with-npm)

- [Basic Node and Express](https://www.freecodecamp.org/learn/back-end-development-and-apis/#basic-node-and-express)

- [MongoDB and Mongoose](https://www.freecodecamp.org/learn/back-end-development-and-apis/#mongodb-and-mongoose)

  


  


  **Projects**: [Timestamp Microservice](https://www.freecodecamp.org/learn/back-end-development-and-apis/back-end-development-and-apis-projects/timestamp-microservice), [Request Header Parser](https://www.freecodecamp.org/learn/back-end-development-and-apis/back-end-development-and-apis-projects/request-header-parser-microservice), [URL Shortener](https://www.freecodecamp.org/learn/back-end-development-and-apis/back-end-development-and-apis-projects/url-shortener-microservice), [Exercise Tracker](https://www.freecodecamp.org/learn/back-end-development-and-apis/back-end-development-and-apis-projects/exercise-tracker), [File Metadata Microservice](https://www.freecodecamp.org/learn/back-end-development-and-apis/back-end-development-and-apis-projects/file-metadata-microservice)

#### 7. [Quality Assurance Certification](https://www.freecodecamp.org/learn/quality-assurance/)

- [Quality Assurance and Testing with Chai](https://www.freecodecamp.org/learn/quality-assurance/#quality-assurance-and-testing-with-chai)

- [Advanced Node and Express](https://www.freecodecamp.org/learn/quality-assurance/#advanced-node-and-express)

  


  


  **Projects**: [Metric-Imperial Converter](https://www.freecodecamp.org/learn/quality-assurance/quality-assurance-projects/metric-imperial-converter), [Issue Tracker](https://www.freecodecamp.org/learn/quality-assurance/quality-assurance-projects/issue-tracker), [Personal Library](https://www.freecodecamp.org/learn/quality-assurance/quality-assurance-projects/personal-library), [Sudoku Solver](https://www.freecodecamp.org/learn/quality-assurance/quality-assurance-projects/sudoku-solver), [American British Translator](https://www.freecodecamp.org/learn/quality-assurance/quality-assurance-projects/american-british-translator)

#### 8. [Scientific Computing with Python Certification](https://www.freecodecamp.org/learn/scientific-computing-with-python/)

- [Learn String Manipulation by Building a Cipher](https://www.freecodecamp.org/learn/scientific-computing-with-python/#learn-string-manipulation-by-building-a-cipher)

- [Learn How to Work with Numbers and Strings by Implementing the Luhn Algorithm](https://www.freecodecamp.org/learn/scientific-computing-with-python/#learn-how-to-work-with-numbers-and-strings-by-implementing-the-luhn-algorithm)

- [Learn Lambda Functions by Building an Expense Tracker](https://www.freecodecamp.org/learn/scientific-computing-with-python/#learn-lambda-functions-by-building-an-expense-tracker)

- [Learn List Comprehension by Building a Case Converter Program](https://www.freecodecamp.org/learn/scientific-computing-with-python/#learn-list-comprehension-by-building-a-case-converter-program)

- [Learn the Bisection Method by Finding the Square Root of a Number](https://www.freecodecamp.org/learn/scientific-computing-with-python/#learn-the-bisection-method-by-finding-the-square-root-of-a-number)

- [Learn Regular Expressions by Building a Password Generator](https://www.freecodecamp.org/learn/scientific-computing-with-python/#learn-regular-expressions-by-building-a-password-generator)

- [Learn Algorithm Design by Building a Shortest Path Algorithm](https://www.freecodecamp.org/learn/scientific-computing-with-python/#learn-algorithm-design-by-building-a-shortest-path-algorithm)

- [Learn Recursion by Solving the Tower of Hanoi Puzzle](https://www.freecodecamp.org/learn/scientific-computing-with-python/#learn-recursion-by-solving-the-tower-of-hanoi-puzzle)

- [Learn Data Structures by Building the Merge Sort Algorithm](https://www.freecodecamp.org/learn/scientific-computing-with-python/#learn-data-structures-by-building-the-merge-sort-algorithm)

- [Learn Classes and Objects by Building a Sudoku Solver](https://www.freecodecamp.org/learn/scientific-computing-with-python/#learn-classes-and-objects-by-building-a-sudoku-solver)

- [Learn Tree Traversal by Building a Binary Search Tree](https://www.freecodecamp.org/learn/scientific-computing-with-python/#learn-tree-traversal-by-building-a-binary-search-tree)

- [Learn Special Methods by Building a Vector Space](https://www.freecodecamp.org/learn/scientific-computing-with-python/#learn-special-methods-by-building-a-vector-space)

  


  


  **Projects**: [Arithmetic Formatter](https://www.freecodecamp.org/learn/scientific-computing-with-python/build-an-arithmetic-formatter-project/build-an-arithmetic-formatter-project), [Time Calculator](https://www.freecodecamp.org/learn/scientific-computing-with-python/build-a-time-calculator-project/build-a-time-calculator-project), [Budget App](https://www.freecodecamp.org/learn/scientific-computing-with-python/build-a-budget-app-project/build-a-budget-app-project), [Polygon Area Calculator](https://www.freecodecamp.org/learn/scientific-computing-with-python/build-a-polygon-area-calculator-project/build-a-polygon-area-calculator-project), [Probability Calculator](https://www.freecodecamp.org/learn/scientific-computing-with-python/build-a-probability-calculator-project/build-a-probability-calculator-project)

#### 9. [Data Analysis with Python Certification](https://www.freecodecamp.org/learn/data-analysis-with-python/)

- [Data Analysis with Python Course](https://www.freecodecamp.org/learn/data-analysis-with-python/#data-analysis-with-python-course)

- [NumPy](https://www.freecodecamp.org/learn/data-analysis-with-python/#numpy)

  


  


  **Projects**: [Mean-Variance-Standard Deviation Calculator](https://www.freecodecamp.org/learn/data-analysis-with-python/data-analysis-with-python-projects/mean-variance-standard-deviation-calculator), [Demographic Data Analyzer](https://www.freecodecamp.org/learn/data-analysis-with-python/data-analysis-with-python-projects/demographic-data-analyzer), [Medical Data Visualizer](https://www.freecodecamp.org/learn/data-analysis-with-python/data-analysis-with-python-projects/medical-data-visualizer), [Page View Time Series Visualizer](https://www.freecodecamp.org/learn/data-analysis-with-python/data-analysis-with-python-projects/page-view-time-series-visualizer), [Sea Level Predictor](https://www.freecodecamp.org/learn/data-analysis-with-python/data-analysis-with-python-projects/sea-level-predictor)

#### 10. [Information Security Certification](https://www.freecodecamp.org/learn/information-security/)

- [Information Security with HelmetJS](https://www.freecodecamp.org/learn/information-security/#information-security-with-helmetjs)

- [Python for Penetration Testing](https://www.freecodecamp.org/learn/information-security/#python-for-penetration-testing)

  


  


  **Projects**: [Stock Price Checker](https://www.freecodecamp.org/learn/information-security/information-security-projects/stock-price-checker), [Anonymous Message Board](https://www.freecodecamp.org/learn/information-security/information-security-projects/anonymous-message-board), [Port Scanner](https://www.freecodecamp.org/learn/information-security/information-security-projects/port-scanner), [SHA-1 Password Cracker](https://www.freecodecamp.org/learn/information-security/information-security-projects/sha-1-password-cracker), [Secure Real Time Multiplayer Game ](https://www.freecodecamp.org/learn/information-security/information-security-projects/secure-real-time-multiplayer-game)

#### 11. [Machine Learning with Python Certification](https://www.freecodecamp.org/learn/machine-learning-with-python/)

- [TensorFlow](https://www.freecodecamp.org/learn/machine-learning-with-python/#tensorflow)

- [How Neural Networks Work](https://www.freecodecamp.org/learn/machine-learning-with-python/#how-neural-networks-work)

  


  


  **Projects**: [Rock Paper Scissors](https://www.freecodecamp.org/learn/machine-learning-with-python/machine-learning-with-python-projects/rock-paper-scissors), [Cat and Dog Image Classifier](https://www.freecodecamp.org/learn/machine-learning-with-python/machine-learning-with-python-projects/cat-and-dog-image-classifier), [Book Recommendation Engine using KNN](https://www.freecodecamp.org/learn/machine-learning-with-python/machine-learning-with-python-projects/book-recommendation-engine-using-knn), [Linear Regression Health Costs Calculator](https://www.freecodecamp.org/learn/machine-learning-with-python/machine-learning-with-python-projects/linear-regression-health-costs-calculator), [Neural Network SMS Text Classifier](https://www.freecodecamp.org/learn/machine-learning-with-python/machine-learning-with-python-projects/neural-network-sms-text-classifier)

#### 12. [College Algebra with Python](https://www.freecodecamp.org/learn/college-algebra-with-python/)

- [Learn Ratios and Proportions](https://www.freecodecamp.org/learn/college-algebra-with-python/#learn-ratios-and-proportions)

- [Learn How to Solve for X](https://www.freecodecamp.org/learn/college-algebra-with-python/#learn-how-to-solve-for-x)

- [Learn Fractions and Decimals](https://www.freecodecamp.org/learn/college-algebra-with-python/#learn-fractions-and-decimals)

- [Learn Functions and Graphing](https://www.freecodecamp.org/learn/college-algebra-with-python/#learn-functions-and-graphing)

- [Learn Linear Functions](https://www.freecodecamp.org/learn/college-algebra-with-python/#learn-linear-functions)

- [Learn Common Factors and Square Roots](https://www.freecodecamp.org/learn/college-algebra-with-python/#learn-common-factors-and-square-roots)

- [Learn How to Graph Systems of Equations](https://www.freecodecamp.org/learn/college-algebra-with-python/#learn-how-to-graph-systems-of-equations)

- [Learn How to Solve Systems of Equations](https://www.freecodecamp.org/learn/college-algebra-with-python/#learn-how-to-solve-systems-of-equations)

- [Learn Applications of Linear Systems](https://www.freecodecamp.org/learn/college-algebra-with-python/#learn-applications-of-linear-systems)

- [Learn Quadratic Equations](https://www.freecodecamp.org/learn/college-algebra-with-python/#learn-quadratic-equations)

- [Learn Parent Graphs and Polynomials](https://www.freecodecamp.org/learn/college-algebra-with-python/#learn-parent-graphs-and-polynomials)

- [Learn Business Applications of College Algebra](https://www.freecodecamp.org/learn/college-algebra-with-python/#learn-business-applications-of-college-algebra)

- [Learn Simple and Compound Interest](https://www.freecodecamp.org/learn/college-algebra-with-python/#learn-simple-and-compound-interest)

- [Learn Exponents and Logarithms](https://www.freecodecamp.org/learn/college-algebra-with-python/#learn-exponents-and-logarithms)

- [College Algebra with Python: Conclusion](https://www.freecodecamp.org/learn/college-algebra-with-python/#college-algebra-with-python-conclusion)

  


  


  **Projects**: [Multi-Function Calculator](https://www.freecodecamp.org/learn/college-algebra-with-python/#build-a-multi-function-calculator-project), [Graphing Calculator](https://www.freecodecamp.org/learn/college-algebra-with-python/#build-a-graphing-calculator-project), [Three Math Games](https://www.freecodecamp.org/learn/college-algebra-with-python/#build-three-math-games-project), [Financial Calculator](https://www.freecodecamp.org/learn/college-algebra-with-python/#build-a-financial-calculator-project), [Data Graph Explorer](https://www.freecodecamp.org/learn/college-algebra-with-python/#build-a-data-graph-explorer-project)

#### Legacy Full Stack Development Certification

Once you have earned the Responsive Web Design, Algorithms and Data Structures, Front End Development Libraries, Data Visualization, Back End Development and APIs, and Legacy Information Security and Quality Assurance certifications, you'll be able to claim your freeCodeCamp.org Full Stack Development Certification. This distinction signifies that you've completed around 1,800 hours of coding with a wide range of web development tools.

#### Legacy Certifications

We also have 4 legacy certifications dating back to our 2015 curriculum, which are still available. All of the required projects for these legacy certifications will remain available on freeCodeCamp.org.

- Legacy Front End Development Certification

- Legacy Data Visualization Certification

- Legacy Back End Development Certification

- Legacy Information Security and Quality Assurance Certification

### Free professional certifications

#### [(New) Foundational C# with Microsoft](https://www.freecodecamp.org/learn/foundational-c-sharp-with-microsoft/)

- [Write Your First Code Using C#](https://www.freecodecamp.org/learn/foundational-c-sharp-with-microsoft/#write-your-first-code-using-c-sharp)

- [Create and Run Simple C# Console Applications](https://www.freecodecamp.org/learn/foundational-c-sharp-with-microsoft/#create-and-run-simple-c-sharp-console-applications)

- [Add Logic to C# Console Applications](https://www.freecodecamp.org/learn/foundational-c-sharp-with-microsoft/#add-logic-to-c-sharp-console-applications)

- [Work with Variable Data in C# Console Applications](https://www.freecodecamp.org/learn/foundational-c-sharp-with-microsoft/#work-with-variable-data-in-c-sharp-console-applications)

- [Create Methods in C# Console Applications](https://www.freecodecamp.org/learn/foundational-c-sharp-with-microsoft/#create-methods-in-c-sharp-console-applications)

- [Debug C# Console Applications](https://www.freecodecamp.org/learn/foundational-c-sharp-with-microsoft/#debug-c-sharp-console-applications)

  


  


  **Exam**: [Foundational C# with Microsoft Certification Exam](https://www.freecodecamp.org/learn/foundational-c-sharp-with-microsoft/foundational-c-sharp-with-microsoft-certification-exam/foundational-c-sharp-with-microsoft-certification-exam)

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### License

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- The learning resources in the [`/curriculum`](/curriculum) directory including their subdirectories thereon are copyright © 2024 freeCodeCamp.org