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: Ggplot2, Software Documentation, Open Source Technology, R (Software), Plot (Graphics), Tidyverse (R Package), Package and Software Management, Web Scraping, Data Manipulation, Data Visualization Software, Leaflet (Software), R Programming, Data Wrangling, Data Visualization, Data Preprocessing, Technical Documentation, Unit Testing, Data Cleansing, Object Oriented Programming (OOP), Object Oriented Design
★ 4.2 (1.5K) · Beginner · Specialization · 3 - 6 Months

University of Pennsylvania
Skills you'll gain: R Programming, R (Software), Statistical Analysis, Statistical Methods, Statistical Modeling, Statistical Inference, Data Analysis, Quantitative Research, Correlation Analysis, Regression Analysis, Logistic Regression, Research Design, Probability
★ 4.7 (579) · Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Statistical Hypothesis Testing, Statistical Inference, Statistical Reporting, R (Software), Statistical Methods, Statistics, R Programming, Statistical Software, Statistical Analysis, Probability & Statistics, Statistical Programming, Data Analysis, Sampling (Statistics), Probability Distribution, Software Installation
★ 4.8 (2.8K) · Beginner · Course · 1 - 3 Months

Northwestern University
Skills you'll gain: Social Media Analytics, Real Time Data, Social Media Content, Data Collection, Social Media, Social Media Marketing, Big Data, Marketing Analytics, Crisis Management, Data-Driven Marketing, Analytics, Social Media Strategy, Content Strategy, Text Mining, Data-Driven Decision-Making
★ 4.7 (1.6K) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Order Management, Order Fulfillment, Order Processing, Supplier Management, Market Opportunities, Customer Acquisition Management, Sales Strategy, E-Commerce, Upselling, Scalability, Entrepreneurship, Business Operations, Marketing Analytics, Market Research, Target Market, Go To Market Strategy, Operational Excellence, Business, Digital Marketing, Business Strategy
Intermediate · Course · 1 - 4 Weeks

Erasmus University Rotterdam
Skills you'll gain: Consumer Behaviour, Market Dynamics, Financial Market, Economics, Financial Policy, Economic Development, Tax, Economics, Policy, and Social Studies, Public Policies, Environmental Issue, Social Sciences, Labor Relations, Socioeconomics, Sustainable Development, Supply And Demand, Behavioral Economics, Governance, Decision Making
★ 4.5 (393) · Beginner · Course · 1 - 3 Months

The State University of New York
Skills you'll gain: Time Series Analysis and Forecasting, R (Software), Forecasting, R Programming, Statistical Analysis, Model Evaluation, Data Analysis, Statistical Programming, Data Visualization, Statistical Visualization, Statistical Software, Mathematical Modeling, Statistical Methods, Statistical Modeling, Predictive Analytics, Predictive Modeling, Correlation Analysis, Descriptive Statistics, Statistical Inference, Data Transformation
★ 4.6 (1.7K) · Intermediate · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Language Competency, Advertising, English Language, Media and Communications, Oral Comprehension, Vocabulary, Language Learning, Diversity Awareness, Literacy, Cultural Diversity, Journalism, Culture, Social Impact, Grammar
★ 4.9 (2.1K) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Anthropic Claude, Claude Code, Prompt Patterns, Context Engineering, AI literacy, Google Workspace, AI Enablement, AI Personalization, Office Administration, Vibe coding, Productivity Software, Workflow Management, Agentic Workflows, Administrative Support and Clerical Tasks, Business Workflow Analysis, OpenAI, AI Workflows, Generative AI Agents, Automation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Salesforce Development, Salesforce Object Query Language (SOQL), Force.com, Salesforce, Unit Testing, Code Coverage, Development Testing, Test Case, Application Programming Interface (API), Restful API, Web Services, Development Environment, Maintainability, Software Development Tools, Integrated Development Environments, Transaction Processing, Data Management, Software Installation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Spreadsheet Software, Google Sheets, Microsoft Excel, Data Visualization, Excel Formulas, Data Entry, Data Analysis, Financial Modeling, Expense Management
★ 4.7 (2.2K) · Beginner · Guided Project · Less Than 2 Hours

Duke University
Skills you'll gain: Regression Analysis, R (Software), Statistical Programming, Statistical Software, Statistical Analysis, R Programming, Statistical Modeling, Statistical Inference, Correlation Analysis, Data Analysis, Statistical Methods, Model Evaluation, Mathematical Modeling, Statistics, Predictive Modeling, Probability & Statistics, Statistical Hypothesis Testing
★ 4.8 (1.8K) · Beginner · Course · 1 - 4 Weeks