Courses

Learn context engineering concepts using Vercel's AI SDK and the OpenRouter API to build AI applications that don't crash or forget important details. You'll learn about system prompts, context window management, token optimization, and context summarization as you build real chat applications.

Use the popular Vercel AI SDK to create and ship a customer support agent that makes autonomous decisions to either answer questions based on your support docs or search the web in real time.

Build scalable backend applications with NestJS, one of the most popular Node.js frameworks. Harness its modular architecture, TypeScript support, and built-in tools to create clean, testable, code.

Learn to build AI agents with Langbase, the world’s most powerful serverless AI cloud.

Build a solid foundation in data structures and algorithms, the key to writing efficient code and acing technical interview challenges. You'll learn Big O, recursion, sorting, searching, and core data structures like stacks, queues, trees, and graphs, all with tons of challenges.

Learn Vue as you build real projects, dive into its core features, and create dynamic, reusable, and reactive apps with ease.

Discover how to craft fast, efficient backends with Node.js, the go-to runtime for modern web developers. From APIs to fullstack apps, see how Node.js makes backend development smooth, scalable, and fun.

Learn to build web apps with Next.js, the world's most popular full-stack framework. You'll cover routing, layouts, data fetching, optimizing assets, and more, while building PrintForge, a site for 3D printing enthusiasts.

Discover how to build efficient, data-driven applications using SQL, the essential database language.

Become a lightning-fast developer with Vite—the speed-focussed build tool that makes working with modern frameworks smooth, efficient, and enjoyable.

Master Supabase essentials by building a real-world React.js Sales Dashboard App with authentication, real-time data operations, and secure user management.

Explore how to build clean, powerful backends and simplify server-side development with Express.js—Node’s most popular framework.

Get to grips with the essential CLI skills you need to navigate files, automate tasks, and simplify your workflow.

Welcome to the ultimate React 101 course! Designed with MDN Web Docs, it’s the perfect place to learn modern React basics interactively. You’ll tackle 170+ coding challenges and build six projects, gaining confidence to create real-world applications.

Learn how to power up your AI apps with Model Context Protocol (MCP), a new way to connect AI models to real-world tools and data.

This course introduces you to the essential building blocks of TypeScript through a hands-on approach. You'll explore the fundamentals of TypeScript, TS in React and TS in Express, plus build a TS-based project.

Discover intermediate and advanced styling techniques using Tailwind CSS and craft a fully responsive, professional product card for a web store.

Create an accessible, interactive memory game using React. This course takes you through building a polished project while exploring how to fetch data, manage state, and implement best practices for inclusivity and functionality.

Master advanced JavaScript concepts through a ton of hands-on challenges designed to deepen your understanding of the world's most used coding language!

Discover how to harness the power of Claude, Anthropic's cutting-edge AI language model.

This course will teach you HTML and CSS through building and deploying five awesome projects. It is also fully interactive, with over 75 coding challenges. There are no prerequisites, so it is suitable for absolute beginners.

Learn Astro, the modern web framework for building fast, content-rich websites using components and Markdown. In this course, you’ll learn how to create and deploy a personal website from scratch, combining performance with a fun and flexible developer experience.

Learn the basics of JavaScript by solving 140+ interactive coding challenges. Along the way you will build a game, a browser extension, and even a mobile app!

The best learning experience paired with a world-class instructor. This massive course aims to turn you into hireable React developer as fast as possible.

This tutorial teaches you CSS Flexbox through 12 interactive screencasts. You'll learn all the key concepts in addition to building a responsive navbar and a neat image grid.

Learn to ace a React Interview with a Principal Developer Experience Engineer as your guide! In 40 minutes, you’ll cover topics such as the Virtual DOM, JSX, Props, Context, Refs, Effects, the Lifecycle and more! By then end, you’ll be ready to tackle your technical interview with style.

Your essential tech interview preparation pack! Practice solving problems and honing the skills you need to succeed in a frontend coding interview.

The ultimate hands-on journey with Tailwind CSS! Learn the essentials of Tailwind and then flex your new skills with five real-world projects.

Practice making high-quality mockups a reality in the browser with five stunning projects created by a UI expert and coded by you.

Transform your coding skills and unlock your success through real-world problem-solving across 40 immersive challenges.

This course will teach you advanced JavaScript from the ground up. It features a systematic walk-through of the most important concepts of the language, and teaches you to build a Google Keep clone and a Hacker News clone in vanilla JavaScript.

This course will take you to a professional level in responsive web design. You'll learn to build advanced layouts while solving fun coding challenges along the way.

Learn how to use the Mistral AI to build intelligent apps, all the way from simple chat completions to advanced use-cases like RAG and function calling. Created in collaboration between Mistral AI and Scrimba.

Find out how well you really know CSS with our bumper-pack of challenges. Recreate components and layouts from popular applications like Github, Codepen, and Instagram, and build loading animations, progress bars, flashcards and more using pure CSS!

Bring a Frontend Mentor design to life and create your own design system while building a multi-page space travel website with Kevin Powell as your guide.

This tutorial course will teach you to design user interfaces that both look good and work well. All is done with HTML and CSS, so no clunky design tools needed.

This 58-part tutorial will teach you Python through a mix between tutorials and interactive coding challenges.

This massive UI design course teaches you to build beautiful and well-functioning user interfaces using HTML and CSS. It's filled with interactive tutorials to ensure that the knowledge sticks with you. Created by Gary Simon, the most popular online instructor on this subject.

This tutorial teaches you CSS Grid through 14 interactive screencasts. You'll learn all the key concepts while building three awesome layouts: a website, an image grid, and an article. Plus, you'll learn how to combine CSS Grid with Flexbox.

In just one hour, this course gives you enough math skills to become an efficient front-end developer. It's fully practical, with three app projects and several interactive coding challenges.

This course will teach you to build and deploy a neat portfolio for yourself. Perfect to showcase your skills and experience to potential employers. You also get $100 in free credits from DigitalOcean!

This course teaches you to build a reusable and declarative React component library. It's perfect for developers who are looking to build a scalable design system for their team and product.

Code with confidence and lower your stress levels by learning how to test your code as you write it.

This tutorial teaches you Bootstrap 4 through ten interactive screencasts. It gives you a fast an easy way to learn the latest features of Bootstrap so that you can take advantage of them in your next project.

Learn how to use the Styled Components package in React by building a fun, hands-on project with software developer and YouTuber Ania Kubow.

This tutorial features freeCodeCamp's ES6 curriculum recorded as interactive Scrimba screencasts. It gives you a methodical walk-through of the most important features of modern JavaScript.

Learning clean code is one of the best career investments you can make. By spending one hour to learn the fundamentals, you get to reap the benefits across all your future code bases. It's 10x the payoff for the effort.

Learn how to utilized open-source LLMs in your applications. Get started with Hugging Face, find the right model, and even run them in your browser or locally via Ollama.

This tutorial teaches you Bulma CSS through 13 interactive screencasts. In less than an hour you'll have built three websites with the popular CSS framework.

Learn how to make your websites come alive with CSS animations. This course gives you a solid foundation with real-world coding challenges.

A collection of lessons and challenges to give you a fundamental understanding of some of the tricky parts of JavaScript.

This tutorial will teach you Svelte in less than an hour. You'll learn it by building a fun chat bot, and by solving interactive coding challenges along the way.

This tutorial teaches you CSS variables through eight interactive screencasts. It's value-packed from beginning to end, and is probably the fastest way to get an in-depth understanding of CSS Variables.

Learn how to nail that frontend interview with an experienced developer who has been on both sides of the interview table!

Start your own blog and learn all the essential Markdown tips and tricks at the same time.

Learn to build your very first web pages with this four hour course on HTML and CSS. Created by Kevin Powell, one of the most popular HTML & CSS instructors on the web.

This D3 tutorial teaches you how to create powerful data visualizations for the web. It gives you a fast introduction to the key concepts of D3.js, like selections, data, axes, scales, bar charts, pie charts, SVG elements, and more.

Learn React Router v6, the most popular routing library for React applications and one of the most downloaded React support libraries ever.

This tutorial teaches you regex in JavaScript through 34 screencasts. It explains regular expressions step-by-step from basic to advanced so that you don't fall off along the way. This ensures that you finally learn regex once and for all.

In this course, you'll practice your software craftsmanship skills by coding six different merge sort algorithms. Each solution will teach you a new technique for solving problems as a software developer and level up your computer science skills in general.

A one-hour course to get you up to speed with class components in React

Learn React in one hour by building a movie search app. Solve interactive coding challenges to ensure that the knowledge sticks with you.

Learn all about the exciting new features coming with React 19, including baked-in ways to handle actions, optimistic updates, form statuses, the new use() API, and more!

This quick course will teach you to build the classic Tic Tac Toe game using modern React and React Hooks.

Build your first mobile app using HTML, CSS and JavaScript + Firebase. Firebase is a magical database service that lets you easily make realtime apps.

A new kind of coding course that's less about the details of coding and more about creating, experimenting, and realizing your ideas, even without the coding know-how!

In this course, you'll practice your software craftsmanship skills by coding six different binary search algorithms. Each solution will teach you a new technique

for solving problems as a software developer and level up your computer science skills in general.

Leverage AI to supercharge your web dev skills and streamline your workflow, allowing you to code, learn, and job search faster than you ever have before!

Build a cool color lighten/darken tool from scratch and sharpen up your HTML, CSS and vanilla JavaScript skills along the way!

Put yourself on the bleeding edge of AI by harnessing the power of LangChain Expression Language to build a chatbot that has deep knowledge of a provided document.

In this course, you’ll learn two different ways to deploy your projects to the web with Netlify. We’ll cover how to drag and drop deploy a project in seconds, as well as how to automatically deploy changes to your codebase with continuous deployment.

This course features freeCodeCamp's popular JavaScript curriculum recorded as interactive Scrimba screencasts.