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Chatbots should do more than just chat. We just published a new course on the freeCodeCamp.org YouTube channel that will teach you how to build a smart AI shopping assistant from the ground up. This comprehensive course, created by Ania Kubow, goes b ...

High performance and privacy are at the heart of most successful software systems. No one wants to use a software service that takes a ridiculous amount of time to load - and no company wants their users' data exposed at the slightest vulnerability.

If you are a web developer who doesn't know about App Development (like me!), then this article is for you. I'll teach you how to turn your website into a native app, without new frameworks or languages. You'll learn how to convert a website to a PWA ...

The ability to track what happens with API requests is an important aspect of monitoring, tracing and debugging back-end applications. But how do you differentiate between the reports of two consecutive API requests to the same API endpoint? This art ...

Qwen3 is the cutting-edge series of large language models developed by Alibaba Cloud's Qwen team. The LLM is known for its advanced reasoning, multilingual support, and efficient hybrid "Thinking" and "Non-Thinking" modes. We just posted a course on ...

Sign and symbol languages, like Makaton and American Sign Language (ASL), are powerful communication tools. However, they can create challenges when communicating with people who don't understand them. As a researcher working on AI for accessibility,

When developers think of Next.js, they often associate it with SEO-friendly static websites or React-based frontends. But what many miss is how Next.js can also be used to build full-featured backend APIs - all within the same project. I've recently ...

Many mobile applications require a stable internet connection to provide a smooth user experience. And as a Flutter developer, you need a robust way to handle network state changes, ensuring that your app responds gracefully whether it's connected, d ...

Language is messy, subtle, and full of meaning that shifts with context. Teaching machines to truly understand it is one of the hardest problems in artificial intelligence. That challenge is what natural language understanding (NLU) sets out to solve ...

On this week's episode of the podcast, freeCodeCamp founder Quincy Larson interviews Dominick Monaco. He dropped out college to hike the Appalachian Trail, a 2,200 mile backpacking route across the US. After working in nature conservation for 3 years ...