freeCodeCamp.org

NestJS is a popular Node.js framework that you can use to build efficient and reliable server-side apps. And in this course, you'll learn how to get started using it. It covers Nest's modular architecture, TypeScript support, and built-in tools and by the end you'll have coded…

On this episode of the freeCodeCamp podcast, Quincy interviews software engineer and teacher Kunal Kushwaha. During university, Kunal taught himself to code by contributing to open source projects and working through freeCodeCamp's curriculum. He shares his experiences working…

For today's coding challenge, you'll be given a date in the format "Month day, year". Your task, should you choose to accept it, is to return the date in the format "YYYY-MM-DD". See if you can do it on the freeCodeCamp mobile app.

In coding, a system is a set of rules, processes, and triggers that help guide your workflow. And in this article, @prankurpandeyy teaches you some key system design principles you can use in your code & daily life. He uses job board and gaming case studies and covers growth…

There's a new open source no-code tool on the block called Activepieces. And in this guide, @manishmshiva teaches you how it works and how to get started using it. He talks about its ecosystem, how to use it to build workflows, and how to deploy those workflows to the cloud.…

If you want to learn how to build games, a Tic-Tac-Toe game is a great place to start. And in this article, Manish walks you through building this fun game using the open source framework Phaser.js. You'll set up the game config, preload assets, draw the grid, start and stop…

When you're building mobile apps, you'll need to make sure they remain stable in real-world situations. And you can only do so much testing - which is where Firebase's Crashlytics tool comes in handy. Here, @atuohaa walks you through setting up Crashlytics in your Flutter apps…

If you know some Chess basics, you may be wanting to improve your endgame strategies a bit. Well, @Ihechikara2 covers that along with algebraic chess notation in this handbook. You'll learn how chess players keep track of their moves, how to read the board, and some popular…

This weekend carve out an hour to go deep with Git and GitHub. freeCodeCamp just published a FREE course for beginners. 🐙🐱 Here are this week's free learning resources worth your time: 1. freeCodeCamp just published a Git and GitHub for beginners course. Git is a powerful…

The Model Context Protocol, or MCP, has changed how LLMs connect with data and tools. It can expose data as resources, provide actions through tools, and define prompts that guide how the model interacts with data or users. In this guide, @manishmshiva teaches you how to build…

Many companies use chatbots these days to help customers with their queries. So being able to build your own that can reference an internal data source is a good skill to have. In this tutorial, Chisom teaches you how to build an AI-powered RAG chatbot with Amazon Lex, Bedrock,…

GATT is a framework that helps define how different bluetooth low energy devices communicate. It lets devices from different manufacturers talk to each other, for example - which is key. And in this detailed guide, Nikheel explains how GATT makes bluetooth low energy devices…

You can run TensorFlow and PyTorch with full GPU acceleration on Windows 11 using WSL2, but getting CUDA set up correctly can be tricky. In this guide, @Fahim_FBA helps you use your Nvidia GPU locally for Machine Learning so you’re not paying for cloud compute. You'll learn how…

For today's coding challenge, you'll get a string of characters. Your challenge is to return the number of unique ways the characters can be rearranged. So if you have the string "abb", how many different ways can you arrange those letters? Go check it out on the freeCodeCamp…

If you want to build robust web apps, having a good understanding of how REST APIs work is helpful. And in this course, you'll learn all the fundamentals. It covers key principles of RESTful architecture, the ASP.NET Core framework, HTTP methods, database…

AWS has quite a few tools and services you can use to deploy the front end of your app. So how do you choose the right one for your use case? In this guide, @ijaydimples takes you through some popular choices from S3 to EC2, LightSail, and more & discusses pros, cons, and use…

These days, cyberattacks are becoming increasingly common. If you're a developer, you should level up your cybersecurity skills. In this tutorial, Alex goes over common cyberattacks like cross-site scripting (XSS) and insecure API calls, and how you can protect your sites…

The Google Cloud Digital Leader cert focuses on business aspects & fundamentals of cloud computing. And in this course, @AndrewBrown helps you prep for the exam. He covers data transformation & analytics, AI & ML solutions, security, compliance, & more. freecodecamp.org/news/prepare-f…

Kubernetes in the cloud can be daunting – but Amazon EKS streamlines it on AWS. In this step-by-step guide, @ijaydimples helps you move beyond local dev and deploy a real app on EKS. You’ll create a cluster, ship your containers, and expose the service to the internet.…

As a developer, you'll need to know how to manage data effectively. And in this course, you'll learn all about what Database Management Systems are and how they work. It covers relations and operations, SQL, database design and normalization, transaction processing, indexing,…