freeCodeCamp.org

Web scraping lets you gather info you may need from a webpage. And in this tutorial, Mihail shows you how to build your own scraper tool in React. You'll even make the app more performant by using local storage to store already scraped data.
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AI Engineers design, build, & deploy AI models & systems to solve complex real-world problems. If you want to get into the field, this handbook is for you. Tatev discusses must-have skills, shares tips for getting started, & goes through use cases for AI tools.
www.freecodecamp.org/news/the-ai-...

If you're an aspiring Data Scientist, Data Science competitions can help improve your skills. And this course teaches you about Kaggle, a popular competition platform & DS community. It covers picking competitions, feature engineering, selecting a model, & more.
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For today's coding challenge, you'll get a string of sentences that don't have periods separating them. Your task is to add periods in the right places. Check it out on the freeCodeCamp mobile app.

Potential employers may want to know that you have solid Kubernetes skills. To show them, you can earn the Certified Kubernetes Administrator cert - and this course helps you study. Beau covers cluster architecture, workloads and scheduling, networking, and more.
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You may have tons of assets in your Flutter projects - like images, icons, & fonts. Managing them can be a pain, especially as your app grows - and if you're doing it manually. Here, Anthony shows you how to use the flutter_gen package to handle it more easily.
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Performance testing shows how your app will perform under real-world pressure. And here, Noor helps you build an end-to-end performance test in Apache JMeter. Your test suite will be dynamic & one-click executable, + you'll learn how to analyze the results, too.
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You may have heard about the Model Context Protocol and wondered how it lets AI tools connect to other tools, APIs, & systems. Well, it's all thanks to MCP servers. Here, Manish explains how MCP servers work & helps you build your own with Python + FastMCP.
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Building software with AI is not all about prompting. Adding rule-based checks and tests makes results safer and more reliable. In this in-depth tutorial, Sumit teaches you how to use a practical coding loop technique to get better results from AI.
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Proper documentation makes your REST API usable. Without proper docs, other devs won't know how to work with your API. Here, Orim shows you how to generate an OpenAPI specification and use Scalar to serve them from your Node.js app.
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For today's coding challenge, you'll get a matrix - which is an array of arrays. You'll also get an integer, and your task is to shift all values in the matrix by the given amount. Check it out on the freeCodeCamp mobile app.

Getting a web dev job today is more competitive than ever. You need more than just a portfolio to land a job. Here, Ilyas goes over strategy, skills prep, applications, interviews, and more so you make smarter decisions while looking for your next role.
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Learning Kubernetes doesn't come from memorizing commands. It comes when you start building like a platform engineer. In this course, you'll learn everything from core concepts to advanced industry standards like using Prometheus & Grafana for observability.
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The future of software is code that reasons. And Python is your first step. In this video course, you'll learn Python fundamentals, NumPy, Pandas, SQL, Flask, LLMs, and everything else you need to dive into AI Agent development.
www.freecodecamp.org/news/learn-p...

No one wants to be placed on a Performance Improvement Plan. Moshe certainly didn't - until he dug in, worked harder, & started improving. Here, he discusses his PIP experience at Google - what he learned, where he is now, & how to not let a PIP get you down.
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You can now learn key cybersecurity concepts from Harvard professor Dr. David J. Malan right on freeCodeCamp's YouTube channel. In this course, Dr. Malan teaches you how to secure your accounts, databases, software systems, and more.
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APIs and the Model Context Protocol both help different systems communicate. But these two tools were built for different purposes: in short, APIs are for developers, and MCP is for AI models. Here, Manish explains how each works & why they're both needed.
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For today's coding challenge, you'll get a string. Your job is to return a message with the count of how many letters and numbers it contains. Check it out on the freeCodeCamp mobile app.

JSON is the standard data exchange format for the web - so you'll run into it a lot as a dev. This means you should know how to parse, manipulate, & generate it. In this tutorial, Bala teaches you how to parse JSON in Python and walks you through a few examples.
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You can use the Flutter software development kit to build some pretty sleek, responsive apps. But to get the most out of it, you'll need to understand async programming concepts - like streams. Here, Anthony explains what streams are and how they work in Flutter.
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Building a game is a great way to improve your programming skills. It makes you consider things like performance, user input, & structure while getting creative with problem-solving. Here, Manish walks you through some key skills that game dev helps you sharpen.
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Sometimes you'll need to screenshot a webpage - but doing it manually isn't scalable. Here, Ashutosh helps you build a Python Flask app that takes a URL, calls a screenshot API, & returns an image. You’ll learn about HTML forms, dynamic image display, & more.
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If you want to know more about a web page, you can go to DevTools or an SEO auditing tool. But what if you want quick info, without leaving your browser? Here, Hitesh helps you build a Chrome extension that analyzes any web page using JavaScript & Manifest V3.
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When you're building your UI in Flutter, it should be responsive without having to manage multiple layouts. Fortunately, Flutter has tools that help you do this. Here, Anthony teaches you about some key widgets to use, how media queries work, & more with a demo.
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For today's coding challenge, you'll be given an array of numbers. Your job will be to return a new array containing the value needed to get from each number to the next number in the array. See if you can solve it on the freeCodeCamp mobile app.

You may have heard a lot about the Model Context Protocol lately. It allows LLMs to securely share context and communicate with outside data sources, making them much more powerful. In this guide, Manish explains how this protocol works and why it's so useful.
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In fintech, you need quick market context. You need to know why a stock moved and what to watch next. Here, Nikhil shows you how to use LangChain, APIs, and StreamLit to generate market briefs from natural language queries.

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Stop using Notion like a basic notebook – make it your personal operating system. In this massive 12-hour course, you'll learn about formulas and automations, how to build databases, productivity systems, dashboards, and much more, all inside of Notion.

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There are many fields where AI can streamline processes & automate tedious tasks. And agriculture is one such one area. In this book, Vahe details how AI can help increase crop yields, use water more efficiently, predict and react to stormy weather, and more.
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IPv4, or Internet Protocol version 4, is a system used to identify devices on the internet or a local network. In this handbook, Omer explains how it works and why it's important. You'll learn about network addressing schemes, special IPv4 addresses, & lots more.
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