First aid courses can help you learn how to recognize common emergencies, understand basic response principles, and communicate effectively with trained professionals. You can build skills in identifying signs of illness or injury, assessing situations safely, and applying general preparedness concepts. Many courses introduce frameworks, scenario-based learning, and tools that support building confidence in responding to unexpected events.

Rice University
Skills you'll gain: Economics, Supply And Demand, Business Economics, Game Theory, Market Dynamics, Economics, Policy, and Social Studies, Economic Development, Financial Policy, Socioeconomics, Market Analysis, Operating Cost, Public Policies, Labor Relations, Tax, International Finance, Fiscal Management, General Finance, Cost Benefit Analysis, Cost Accounting, Investments
★ 4.8 (158) · Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Engineering, Scientific, and Technical Instruments, Embedded Systems, Embedded Software, Real Time Data, Electronics, Electronics Engineering, Electronic Components, Vibrations, Intrusion Detection and Prevention, Design Specifications, Computer Displays
★ 4.7 (259) · Intermediate · Course · 1 - 3 Months

Multiple educators
Skills you'll gain: Policy Analysis, Public Policies, Systems Thinking, Economics, Policy, and Social Studies, Culture, Socioeconomics, Storytelling, Sociology, Social Sciences, Innovation, Social Impact, Sustainable Development, Cultural Diversity, Critical Thinking, Sustainable Systems, Diversity Awareness, Sustainable Technologies, Spatial Analysis, Biology, Ideation
★ 4.9 (297) · Intermediate · Specialization · 3 - 6 Months

Emory University
Skills you'll gain: Consulting, Management Consulting, Business Consulting, Excel Formulas, Benchmarking, Microsoft Excel, Analytical Skills, Business Research, Data Collection, Spreadsheet Software, Analysis, Market Research, Competitive Analysis, Data Modeling, Supply Chain, Performance Analysis, Business Strategy, Market Dynamics
★ 4.9 (417) · Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Microsoft Azure, Serverless Computing, Cloud Development, Microsoft Power Automate/Flow, Event-Driven Programming, Cloud-Based Integration, Business Process Automation, Application Programming Interface (API), Webhook Security, GitHub
★ 4.4 (136) · Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: HTML and CSS, Hypertext Markup Language (HTML), Mobile Development, Web Applications, Web Design and Development, Program Development, ChatGPT, GitHub, Front-End Web Development, Javascript, Application Deployment, Responsive Web Design, Video Game Development, Git (Version Control System), AI Integrations, Cascading Style Sheets (CSS), Database Development, Computer Programming, Database Application, Machine Learning
★ 4.6 (146) · Beginner · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Data Processing, Data Manipulation, Data Visualization, Interactive Data Visualization, Web Scraping, Data Visualization Software, Pandas (Python Package), Data Analysis, Data Preprocessing, Data Science, Data Cleansing, Matplotlib, Data Import/Export, NumPy, JSON, Python Programming, File I/O
★ 4.3 (200) · Intermediate · Course · 1 - 3 Months

American Psychological Association
Skills you'll gain: Institutional Review Board (IRB), Descriptive Statistics, Quantitative Research, Data Literacy, Scientific Methods, Graphing, Research Design, Statistical Visualization, Statistical Hypothesis Testing, Science and Research, Research Methodologies, Probability & Statistics, Research, Statistical Inference, Statistics, Statistical Analysis, Statistical Methods, Ethical Standards And Conduct, Data Analysis, Research and Design
★ 4.8 (296) · Beginner · Specialization · 3 - 6 Months

The University of Melbourne
Skills you'll gain: Cloud Computing, Cloud Services, Cloud Computing Architecture, Change Management, Organizational Change, Culture Transformation, Workforce Development, Service Level Agreement, Stakeholder Engagement, Vendor Contracts, Organizational Development, Business Transformation, Stakeholder Analysis, Stakeholder Management, Workforce Planning, Contract Management, Governance, Key Performance Indicators (KPIs), Communication Strategies
★ 4.5 (255) · Beginner · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Storytelling, Game Design, Video Game Development, Driving engagement, Visual Storytelling, Writing, Multimedia, Media and Communications, Art History, Electronic Media
★ 4.6 (204) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Machine Learning Algorithms, Dashboard Creation, Classification Algorithms, Interactive Data Visualization, Data Visualization Software, Model Evaluation, Applied Machine Learning, Machine Learning, Scikit Learn (Machine Learning Library), Plot (Graphics), Web Applications, Logistic Regression, Predictive Modeling, Model Training, Data Science, Python Programming, Fine-tuning, Model Optimization, Pandas (Python Package)
★ 4.7 (417) · Intermediate · Guided Project · Less Than 2 Hours

Duke University
Skills you'll gain: Loans, Lending and Underwriting, Blockchain, General Lending, Derivatives, FinTech, Market Liquidity, Financial Trading, Token Optimization, Securities (Finance), Digital Assets, Liquidation, Portfolio Management
★ 4.9 (317) · Intermediate · Course · 1 - 4 Weeks