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.

Coursera
Skills you'll gain: Google Ads, Keyword Research, Target Audience, Pay Per Click Advertising, Search Engine Marketing, Advertising Campaigns, Campaign Management, Online Advertising, Digital Advertising, Marketing, Digital Marketing, Return On Investment
Beginner · Guided Project · Less Than 2 Hours

University of California San Diego
Skills you'll gain: Graph Theory, Data Structures, Java Programming, Java, Object Oriented Design, Software Design, Algorithms, Object Oriented Programming (OOP), Network Routing, Computational Thinking, Application Development, Debugging
Intermediate · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Search Engine Optimization, Persona Development, Web Analytics and SEO, Keyword Research, Target Audience, Google Analytics, Digital Marketing, Content Strategy, Brand Awareness, Content Creation, User Research, Algorithms, Data Analysis, Business Reporting
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Key Performance Indicators (KPIs), Power BI, Dashboard, Data Visualization, Interactive Data Visualization, Data Storytelling, Data Presentation, Business Metrics, Performance Analysis, Data Visualization Software, Data Import/Export, Business Intelligence, Regional Sales, Sales Presentation
Beginner · Guided Project · Less Than 2 Hours

Stanford University
Skills you'll gain: Community Development, Maternal Health, Community Health, Obstetrics And Gynecology, Gerontology, Child Health, Health Disparities, Gynecology, Health Equity, Social Justice, Family Planning, Social Determinants Of Health, Socioeconomics, Health Education, Human Services, Advocacy, Education and Training, Immigration Law, International Relations, Cultural Diversity
Beginner · Course · 3 - 6 Months
University of California, Santa Cruz
Skills you'll gain: Programming Principles, Pseudocode
Beginner · Course · 1 - 3 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Differential Equations, Linear Algebra, Matlab, Engineering Calculations, Engineering Analysis, Numerical Analysis, Finite Element Methods, Integral Calculus, Mathematical Software, Mechanical Engineering, Calculus, Algebra, Applied Mathematics, Mathematical Modeling, Engineering, Simulation and Simulation Software, Advanced Mathematics, Geometry, Computational Thinking, Estimation
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Django (Web Framework), Responsive Web Design, HTML and CSS, Back-End Web Development, Relational Databases, Object Oriented Programming (OOP), Database Management Systems, Bootstrap (Front-End Framework), SQL, Database Design, Databases, Front-End Web Development, Database Administration, Unit Testing, MySQL, Debugging, Web Development, Computer Programming, Pseudocode, Communication
Beginner · Specialization · 3 - 6 Months

Intuit
Skills you'll gain: Bookkeeping, QuickBooks (Accounting Software), Financial Statements, Accounting Software, Financial Accounting, Ledgers (Accounting), Accounting, Accounting Records, Balance Sheet, Income Statement, General Ledger, Small Business Accounting, Ethical Standards And Conduct, Cash Flows
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Risk Modeling, Operations Research, Regression Analysis, Microsoft Excel, Business Analytics, Risk Analysis, Business Process Modeling, Business Modeling, Data Modeling, Resource Allocation, Analysis, Statistical Analysis, Mathematical Modeling, Process Optimization, Financial Analysis, Statistical Methods, Predictive Analytics, Transportation Operations, Complex Problem Solving, Linear Algebra
Intermediate · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: ArcGIS, GIS Software, Geographic Information Systems, Spatial Analysis, Data Sharing, Geospatial Mapping, Metadata Management, Data Analysis, Data Mapping, Data Quality, Data Visualization, File Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Financial Statements, Microsoft Excel, Excel Formulas, Balance Sheet, Ledgers (Accounting), Financial Data, Bookkeeping, Financial Reporting, Financial Accounting, Profit and Loss (P&L) Management
Intermediate · Guided Project · Less Than 2 Hours