If you want to start learning Mandarin Chinese, this course is for you. It teaches HSK Level 1, which certifies that you understand Mandarin basics. It covers Pinyin and tones, vocab and grammar, practical conversations you'd use in daily life, and more.

If you want to get into Machine Learning, a solid foundation in Linear Algebra is key. It'll help you understand how deep learning models, optimization algorithms, & computer vision work under the hood. In this course, you'll learn about matrices & vectors, determinants &

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December 21st is the winter solstice for the northern hemisphere, and the summer solstice for the southern hemisphere. For today's coding challenge, you'll determine about how many daylight hours a particular location will have on the solstice. Check it out on the freeCodeCamp

If you want to become a great backend dev, you should build lots of projects. And there are 3 for you in this course: a blog generator, a Netflix clone, & a Spotify clone. You'll sharpen your backend skills using tools like Python, Django, & PostgreSQL. https://t.co/9ufIRCoTfp

LaTeX is a typesetting system you can use in technical, academic, & scientific writing. And you may have used website-based apps like Overleaf that let anyone read, write, & compile LatTeX-based scripts online. But here, @Fahim_FBA shows you how to run your LaTeX projects

AI Skills Navigator is an agentic learning space, bringing together AI-powered skilling experiences and credentials that help individuals build career skills and organizations worldwide accelerate their business. Explore more and enhance your skilling experience today!

Machine Learning and Artificial Intelligence are hot topics right now. And this course will give you a solid foundation in ML & AI skills. You'll learn key concepts like overfitting & regularization, common algorithms, & you'll build some projects, too. https://t.co/knw1w45Z2j

LLMs are limited by their training data – so if you want real-time info, you need RAG. Using Retrieval-Augmented Generation gives your models access to all sorts of helpful data. In this course, @ania_kubow helps you build your own RAG chatbot with JS. https://t.co/XcV4eZ7WVP

If your website takes too long to load, there's a good chance people will abandon it. So to help you make it snappier, Alex wrote this guide. He discusses various techniques like optimizing code & images and managing plugins & scripts to help you remove those extra bits and

For today's coding challenge, you'll get an array of values. You'll need to remove all occurrences of the most frequently occurring value and return the resulting array. Check it out on the freeCodeCamp mobile app.

Learning DevOps can be challenging, and it's difficult to know where to start. Sometimes, some hands-on experience does just the trick. Here, @nitheeshp shows you how to build a GitOps pipeline for a production grade app. https://t.co/U7NuDv5zdF

Chemistry connects biology, medicine, and many more disciplines. It's about reasoning, and how to break down complex systems. In this Chemistry course, Chad McAllister teaches you everything from the periodic table to thermodynamics. https://t.co/5S14d6iXPS

Godot is a lightweight, powerful game engine that's easy for beginners to learn. And it's open source, too. In this course by @luiscanary (taught in Spanish), you'll learn to to implement lighting, animations, physics, & more. https://t.co/Z8ceYMsD5k

Making games is one of the best ways to learn programming. It pushes you learn new tech and interesting solve problems. Here, Erik Yuzwa teaches you how to use C and Raylib to build a match-3 game with graphics, music, and points. https://t.co/P1qX3DffPs

Tell your friends: you can now start learning Spanish with freeCodeCamp's new A1 Professional Spanish Curriculum! It covers key building blocks of the Spanish language, and has warm up exercises, review pages, and quizzes to help you practice. You'll learn proper pronunciation,

All right my ambitious friends: if you're doing some year-end skill building this weekend, here are my 5 recommendations. 💪😎💻 1. freeCodeCamp just launched our new Python certification curriculum. You can learn Python by building projects right in your browser. You'll learn a

For today's coding challenge, you'll get an array of integers and a target number. You'll need to find all pairs of elements whose values add up to that target number and return the sum of their indices. Whew! See if you can solve it on the freeCodeCamp mobile app.

If you want to learn game development fundamentals, here's a fun course for you. You'll build your own 2D pixel art tower defense game using the popular Unity game dev framework. Along the way, you'll set up 2D tilemap levels, animate pixel-art characters, build towers, and

JavaScript is one of the most popular languages for web development. And if you want to solidify and level up your JS skills, this course is for you. In it, Steven teaches you all about Object Oriented Programming, prototypal inheritance, ES6 classes, Node.js, and async

As a full-stack developer, you're responsible for coding both the front and back ends of a website. And in this handbook, @prankurpandeyy explains what's involved in full stack development. You'll learn about popular tools and languages, DevOps practices, how to approach the

LLMs are powerful tools that can help you with many tasks. But they're reactive, and they wait for your input before doing anything. Here, Balajee goes over how to use LLM agents, which have memory and autonomy, to take your use of AI to the next level. https://t.co/Dgi7gunbyP