Courses from 1000+ universities
AI got cheap enough that Duolingo’s most expensive plan may not survive it. I read the earnings call transcript and opened the app to see what is actually changing for learners.
600 Free Google Certifications
Artificial Intelligence
Data Science
Cybersecurity
L'Italiano nel mondo
Introduction to HTML5
Umano Digitale
Organize and share your learning with Class Central Lists.
View our Lists Showcase
A beginner’s hands-on introduction to preparing, analyzing, and visualizing data with Power BI Desktop.
Learn to use the macOS Terminal and zsh to navigate directories, manage files, and understand command-line workflows alongside Finder.
Build a React demo application while learning components, state, data fetching, and React Router 6+ for multi-page experiences in a single-page app.
Configure an AWS Lambda function to run when files are uploaded to Amazon S3, read their contents, and log the results.
Configure custom domains with Route 53 and use CloudFront edge caching to speed delivery of an EC2-hosted website.
Deploy a private Amazon RDS MySQL database and connect it securely to a web application running on EC2.
Build an AWS VPC manually, configuring CIDR ranges, public and private subnets, route tables, internet gateways, and NAT gateways.
Create, attach, format, and mount EBS volumes for EC2 to persist website data across instance changes.
Configure AWS Auto Scaling and an Application Load Balancer to add EC2 instances dynamically and distribute traffic from an overloaded web application.
Build a native iOS and Android app with React Native while learning core components, styling, flexbox, events, lists, inputs, modals, and platform-specific UI.
Set up MySQL and PostgreSQL on macOS or Windows, connect with database clients, and build a VS Code playground for running SQL queries.
Learn SQL fundamentals by designing relational tables, managing data, and querying related records with joins, filtering, grouping, and aggregate functions.
Build a complete Django website from scratch using templates, data models, forms, relationships, image uploads, and the admin panel.
Build full-stack React applications with Next.js using routing, pre-rendering, data fetching, API routes, MongoDB, and deployment.
Build a complete React single-page application while learning components, state, routing, forms, data fetching, and Context from the ground up.
Get personalized course recommendations, track subjects and courses with reminders, and more.