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
IT & Networking
Software Engineering
Supporting Victims of Domestic Violence
Know Thyself - The Value and Limits of Self-Knowledge: The Examined Life
Understanding Dementia
Organize and share your learning with Class Central Lists.
View our Lists Showcase
Build modern web applications with ASP.NET Core: create Web API controllers, manage data with Entity Framework Core, and secure apps with JWT, claims and role-based authorization.
Design, deploy, and manage databases on AWS: compare RDS, Aurora, DynamoDB and Redshift, automate with CloudFormation, migrate with DMS and SCT, secure with KMS and VPC.
Build ASP.NET Core web applications: create RESTful Web APIs with attribute routing, manage data with Entity Framework Core migrations, and secure apps using Identity, OAuth 2.0 and JWT.
Analyze how global capital markets work end to end: fixed income and FX, derivatives and ISDA frameworks, asset management, and post-trade operations, risk and regulation.
Build advanced Excel formulas with IFS, XLOOKUP, INDEX and OFFSET, then analyze data using PivotTables, Slicers, Solver and Goal Seek and design interactive dashboards.
Write clear, professional business emails: structure subject lines, body and attachments with the 4 W's and 5 C's, set tone, and handle escalations and sensitive messages.
Plan, market, execute, and evaluate events: design event experiences, coordinate venues and staffing, segment audiences, price events, and apply SWOT analysis, risk classification, and performance metrics.
Build machine learning models in R and Python, from regression and classification to clustering, neural networks and time series forecasting, with preprocessing and model optimization.
Model props, cars, and game assets in Blender: navigate the interface, build shaders and textures, render in Eevee, and export models into Unreal Engine.
Learn to read balance sheets, income statements, and cash flow statements: classify assets and liabilities, assess equity and dividends, and analyze Colgate, P&G, and Microsoft filings.
Build digital marketing strategies around a case study: apply PESTLE and SWOT analysis, marketing audits, mobile and SMS advertising, and multi-channel social platform campaigns.
Learn Python from installation onward: work with variables, lists, strings, loops, and functions while coding prime checks, Fibonacci, GCD/LCM, and Pascal's and Floyd's triangles.
Build, secure and scale AWS systems: cloud foundations, architecture design, automation-first DevOps workflows, and IoT solutions deployed with AWS-native tools through guided labs.
Design and document commercial MEP and interior projects in AutoCAD: fire alarm wiring layouts, commercial kitchen power plans, restaurant lounge interiors, and supermarket architectural drawings.
Navigate the SPSS GUI, manage data, and build regression and predictive models with SPSS Modeler workflows using finance, healthcare, and market datasets.
Get personalized course recommendations, track subjects and courses with reminders, and more.