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.

Johns Hopkins University
Skills you'll gain: Drug Development, Pharmacology, Pharmaceuticals, Patient Safety, Clinical Research, Medical Prescription, Pharmacotherapy, Clinical Trials, Epidemiology, Regulatory Compliance, Health Policy, Continuous Monitoring, Public Health, Event Monitoring, Risk Analysis, Scientific Methods, Advanced Analytics
★ 4.7 (111) · Mixed · Course · 1 - 4 Weeks
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

Deep Teaching Solutions
Skills you'll gain: Learning Strategies, Lifelong Learning, Time Management, Learning Theory, Productivity, Growth Mindedness, Mental Concentration, Creativity, Self-Awareness, Habit Formation, Adaptability
★ 4.8 (93K) · Beginner · Course · 1 - 4 Weeks

Anthropic
Skills you'll gain: Prompt Engineering, AI Workflows, Agentic Workflows, Claude Code, Prompt Patterns, Model Context Protocol, Prompt Engineering Tools, Retrieval-Augmented Generation, Anthropic Claude, Agentic systems, Application Programming Interface (API), Tool Calling, Embeddings, Model Evaluation
★ 4.7 (159) · Beginner · Course · 1 - 3 Months

IBM
Skills you'll gain: Data Storytelling, Dashboard Creation, Dashboard, Data Presentation, Plotly, Data Visualization Software, Web Scraping, Data Visualization, Exploratory Data Analysis, Data Wrangling, SQL, Plot (Graphics), IBM Cognos Analytics, Data Analysis, Professional Networking, Analytics, Excel Formulas, Data Import/Export, Python Programming, Microsoft Excel
★ 4.6 (100K) · Beginner · Professional Certificate · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: AI Product Strategy, Responsible AI, Data Ethics, AI Enablement, Applied Machine Learning, Artificial Intelligence, AI literacy, Machine Learning, Data Science, AI Integrations, Deep Learning, Artificial Neural Networks
★ 4.8 (53K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Prompt Patterns, ChatGPT, Generative AI, LLM Application, AI literacy, Model Evaluation, Image Quality
★ 4.7 (8.1K) · Beginner · Course · 1 - 4 Weeks
Georgia Institute of Technology
Skills you'll gain: Oral Expression, Telephone Skills, Interviewing Skills, Presentations, Verbal Communication Skills, Sales Presentation, Cultural Sensitivity, Intercultural Competence, Non-Verbal Communication, Public Speaking, English Language, Vocabulary, Business Communication, Communication, Interpersonal Communications, Communication Strategies, Oral Comprehension
★ 4.7 (10K) · Mixed · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Civil Procedures, Civil Law, Personal Injury Law, Lawsuits, Court Systems, Legal Proceedings, Political Sciences, Litigation and Civil Justice, Plaintiff, Case Law, Law, Regulation, and Compliance, Case Studies, Governance
★ 4.8 (5.3K) · Beginner · Course · 1 - 3 Months
Skills you'll gain: IT Security Architecture, Computer Networking, Operating System Administration, Package and Software Management, Network Troubleshooting, Version Control, IT Automation, Systems Administration, IT Infrastructure, Network Administration, Information Systems Security, TCP/IP, Git (Version Control System), Chef (Configuration Management Tool), Network Security, General Networking, Ruby (Programming Language), Desktop Support, Web Presence, Interviewing Skills
★ 4.8 (216K) · Beginner · Professional Certificate · 3 - 6 Months

Knowledge Accelerators
Skills you'll gain: Power BI, Dashboard Creation, Business Intelligence, Business Intelligence Software, Data Visualization, Business Reporting, Data Presentation, Business Analytics, Data Analysis, Data Synthesis, Excel Formulas, Data Manipulation, Collaborative Software, Trend Analysis, Data Cleansing, Data Management, Data Quality
★ 4.5 (1.7K) · Beginner · Course · Less Than 2 Hours

Stanford Online
Skills you'll gain: Statistics, Statistical Inference, Probability & Statistics, Regression Analysis, Statistical Methods, Descriptive Statistics, Statistical Hypothesis Testing, Exploratory Data Analysis, Statistical Modeling, Statistical Analysis, Data Literacy, Data Analysis, Sampling (Statistics), Probability Distribution, Statistical Reporting, Probability, Statistical Visualization, Correlation Analysis
★ 4.6 (4.3K) · Beginner · Course · 1 - 3 Months