If your app has an online store, you'll need to do more than just show static product pages these days. People want to spin things around, preview furniture in their house, and more. In this guide, @NoDevAjay teaches you how to use WebGL + Three.js to make the online shopping

When you're learning about AI & machine learning it's helpful to build things from scratch. And that's what you'll do in this course. You'll learn Neural Networks by manually adjusting the network parameters while building a self-driving car playground. https://t.co/OV4zWHJU5R

AI agents are moving from demos to teammates. Part I of our playbook covers the foundations: what an agent is, how it’s structured (objective, instructions, tools, content grounding), and how to spot high-impact use cases—so you can ship secure, reliable agents at scale.

Many devs use Generative AI when building applications these days. And while AI tools are powerful, the code they produce almost always needs some human review and tweaking. In this tutorial, Wisamul explains how to build production-grade GenAI applications & covers best

"I'm not an "anti-AI" guy. I'm an "anti-AI guy" guy." @jlengstorf brings the spicy takes in today's freeCodeCamp podcast interview and I'm here for it.

Chrome extensions can really add a lot of functionality to your browsing experience. And it's actually not that tricky to build your own. In this tutorial, @ophyboamah walks you through coding an advice generator Chrome extension using Manifest V3. https://t.co/HGyu68EHqa

This weekend build some serious skills. 💪🛠️ freeCodeCamp's new JavaScript Algorithms and Data Structures cert just went live. It's a FREE 300-hour interactive curriculum. Here are this week's 5 resources worth your time. 1. freeCodeCamp just launched our new JavaScript Data

For today's coding challenge, you'll work with some 2D arrays to update the inventory of a store. Check it out on the freeCodeCamp mobile app.

If you want to practice coding a full-stack app, this course is for you. You'll use Next.js & its app router, Tailwind CSS, Open AI's API + other popular tools. By the end you'll have an AI-powered email SaaS with Stripe integration, deployed on Vercel. https://t.co/aElqscJDwj

If you want to start integrating AI capabilities into your apps, here's a fun and practical tutorial for you. In it, @atuohaa walks you through building an AI-powered cooking assistant app. You'll use Flutter and Gemini and learn how to set permissions, manage assets, build a

Polars is an open source Python library that'll help you wrangle your data. It's fast and memory-efficient, and its syntax is similar to Pandas. In this guide, Sara helps you get up and running with Polars so you can use it to analyze all your data. https://t.co/bLNK2aZWNK

When you're deploying AI models, you'll want them to respond as quickly as possible - for users all over the world. This means you need a global AI architecture that leverages a worldwide network to deploy and manage services,. In this guide, @amiynarh teaches you how to reduce

Announcing freeCodeCamp's FREE English for Developers level A2 certification. 📜 Now you can learn English grammar, vocab, reading, listening – all with characters and stories set in a Silicon Valley tech company. Coursework, exam, and verified certs are all live today.

Neural Machine Translation takes a whole sentence and processes (ie translates) it using one integrated model. And in this course, you'll learn all about the history and evolution of NMT via hands-on PyTorch replications of key papers. You'll learn about phrase representation,

For today's coding challenge, you'll code a Roman numeral builder. It'll take an integer and give you its value in Roman numerals. Pretty neat party trick! Check it out on the freeCodeCamp mobile app.

There's a new vulnerability with React Server Components that you should know about and fix. It happens because of the complex way React handles serialization (and an overly lax "flight" protocol). In this guide, Arunachalam explains how to protect yourself from the

The freeCodeCamp community just released our new JavaScript certification! It has hundreds of hours of interactive lessons, workshops, and quizzes, plus a big exam at the end. You'll learn all the key JS concepts you need to know and put them into practice right away. Go check

If you're working at a coffee shop - or somewhere else not your home - you'll likely be connecting to public wifi. But this can be dangerous if you don't take steps to protect yourself. In this guide, Manish explains why using public wifi is risky - and what to do to stay safe.

Sometimes you'll need to sort things by date in your projects. And there are various ways to do this in JavaScript - some more efficient than others. In this guide, @BrandonWoz discusses the slow way to do this (converting date strings to Date objects inside the sort function)

When you're learning to code in JavaScript, you'll likely use functions for many things. And functions are powerful, but they're not the answer to everything. In this handbook, @sprucekhalifa teaches you Object-Oriented Programming in JS & covers objects, prototypes, classes, &

For today's coding challenge, you'll be given a string that may or may not include some bold text formatted in markdown. Your job is to return the equivalent HTML string. You can find it on the freeCodeCamp mobile app.