Free courses can help you learn coding languages like Python and JavaScript, data analysis techniques, and web development fundamentals. You can build skills in problem-solving, algorithm design, and creating interactive websites. Many courses introduce tools such as Git for version control, SQL for database management, and various frameworks that streamline web development, allowing you to apply your skills in practical projects.

University of Arizona
Skills you'll gain: Physical Science, Physics, Engineering, Scientific, and Technical Instruments, Ancient History, Life Sciences, Chemistry, electromagnetics, General Science and Research, Scientific Methods, Research
★ 4.8 (4K) · Beginner · Course · 1 - 3 Months
Skills you'll gain: Data Storytelling, Performance Measurement, Digital Media Strategy, Performance Metric, Search Engine Marketing, Conversion Funnel Analysis, Data-Driven Decision-Making, Search Engine Optimization, Branding, Web Analytics and SEO, Digital Marketing, Customer Engagement, Marketing Planning, Marketing Strategies, Marketing, E-Commerce, Email Marketing, Brand Awareness, Marketing Analytics, Performance marketing
★ 4.8 (32K) · Beginner · Course · 1 - 4 Weeks

The State University of New York
Skills you'll gain: Electric Power Systems, Electrical Systems, Electrical Power, Energy and Utilities, Power Electronics, Basic Electrical Systems, Electronic Components, Electronic Systems, Sustainable Technologies, Sustainability Standards, Semiconductors, Building Codes, Engineering Calculations, Financial Modeling, Environmental Issue
★ 4.8 (2.6K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Responsible AI, Machine Learning Methods, Generative AI Agents, Generative AI, Prompt Patterns, Generative Model Architectures, Prompt Engineering Tools, AI literacy, Risking, Retrieval-Augmented Generation, LLM Application, Agentic systems, Machine Learning Algorithms, Natural Language Processing
★ 4.7 (23K) · Beginner · Course · 1 - 4 Weeks

California Institute of the Arts
Skills you'll gain: Graphic and Visual Design, Typography, Graphic Design, Graphic and Visual Design Software, Visual Design, Design, Color Theory, Design Elements And Principles, Ideation, Creative Design, Logo Design, Visual Storytelling, Design Software, Conceptual Design, Brand Strategy, Design Reviews, Layout Design, Style Guides, Digital Design, Art History
★ 4.7 (22K) · Beginner · Specialization · 3 - 6 Months
University of Pennsylvania
Skills you'll gain: Return On Investment, Capital Budgeting, Finance, Financial Forecasting, Forecasting, Cash Flow Forecasting, Financial Modeling, Financial Analysis, Financial Planning, Corporate Finance, Business Valuation, Cash Flows, Risk Analysis, Loans
★ 4.6 (6.5K) · Mixed · Course · 1 - 4 Weeks
Georgia Institute of Technology
Skills you'll gain: Engineering Analysis, Mechanics, Torque (Physics), Engineering Calculations, Mechanical Engineering, Engineering, Engineering Practices, Structural Analysis, Mathematical Modeling, Applied Mathematics, Trigonometry
★ 4.8 (5.2K) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Social Media Management, Social Media Content, Social Media, Social Media Marketing, Instagram, Social Media Strategy, Content Creation, Content Performance Analysis, Content Scheduling, Social Media Analytics, Drive Engagement, Generative AI Agents, Web Presence, Brand Strategy, Content Marketing, Content Management, Branding, Performance Analysis, Content Strategy, Customer Engagement
★ 4.8 (6K) · Beginner · Course · 1 - 3 Months

Columbia University
Skills you'll gain: International Finance, Derivatives, Financial Systems, Balance Sheet, Financial Market, Payment Systems, Financial Policy, Banking, Capital Markets, Financial Trading, Economics, Market Liquidity, Financial Regulation, Credit Risk, Market Dynamics
★ 4.9 (1.7K) · Mixed · Course · 3 - 6 Months

Skills you'll gain: Unsupervised Learning, Supervised Learning, Model Evaluation, Regression Analysis, Scikit Learn (Machine Learning Library), Machine Learning Methods, Applied Machine Learning, Model Training, Predictive Modeling, Machine Learning Algorithms, Statistical Methods, Machine Learning, Dimensionality Reduction, Python Programming, Logistic Regression, Model Optimization, Classification Algorithms
★ 4.7 (18K) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Microsoft Excel, Excel Formulas, Spreadsheet Software, Power BI, Data Analysis, Timelines, Data Management, Data Entry, Data Presentation
★ 4.7 (5.7K) · Beginner · Course · 1 - 4 Weeks

University of Pittsburgh
Skills you'll gain: Laboratory Testing, Diagnostic Tests, Medical Terminology, General Medical Tests and Procedures, Pharmaceutical Terminology, Vital Signs, Clinical Experience, Patient Communication, Patient Safety, Emergency and Intensive Care, Medication Administration, Intravenous Therapy, Anatomy, English Language
★ 4.8 (3.3K) · Beginner · Course · 1 - 3 Months