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.

University of Washington
Skills you'll gain: GitHub, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Version Control, Git (Version Control System), HTML and CSS, Web Design and Development, Web Development, Front-End Web Development, Web Content Accessibility Guidelines, Cloud Hosting, Debugging, Semantic Web, Web Analytics and SEO, Responsive Web Design
Beginner · Course · 1 - 4 Weeks

Technical University of Munich (TUM)
Skills you'll gain: Biotechnology, Business Modeling, Commercialization, Entrepreneurship, Business Strategy, Feasibility Studies, Business Valuation, Market Opportunities, Innovation, Intellectual Property, Product Development, Team Building, Regulatory Requirements
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Model View Controller, Web Development Tools, Web Applications, JavaScript Frameworks, Data Validation, Javascript, Web Development
Intermediate · Guided Project · Less Than 2 Hours

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Spatial Analysis, Spatial Data Analysis, GIS Software, Geographic Information Systems, Geospatial Mapping, Geostatistics, Interactive Data Visualization, Data Integration, Data Mapping, Augmented Reality, Sampling (Statistics)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Graphic and Visual Design, Adobe Creative Cloud, Color Theory, Graphic Design, Logo Design, Digital Design
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP), Java Programming, Java, Record Keeping
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Visualization (Computer Graphics), 3D Assets, Design Software, Software Installation, Functional Design, Technical Design, User Interface (UI), Data Import/Export
Intermediate · Course · 1 - 3 Months

Saïd Business School, University of Oxford
Skills you'll gain: FinTech, Financial Inclusion, Financial Services, Mobile Banking, Banking Services, Data Sharing, Financial Regulation, Financial Systems, Application Programming Interface (API), Financial Data, Banking, Financial Regulations, Payment Systems, International Finance, Law, Regulation, and Compliance, Retail Banking, API Design, Data Governance, Finance, General Data Protection Regulation (GDPR)
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Grant Writing, Sample Size Determination, Biostatistics, Statistical Analysis, Data Analysis, Clinical Research, Statistical Methods, Statistical Reporting, Science and Research
Intermediate · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Water Quality, Hazard Analysis, Pollution Prevention, Food Safety and Sanitation, Environmental Issue, Laboratory Testing, Environmental Monitoring, Public Health, Environmental Engineering, Microbiology, Analytical Chemistry, Environmental Science, Biochemistry, Biology
Intermediate · Course · 1 - 4 Weeks

Samsung
Skills you'll gain: Hardware Troubleshooting, Display Devices, Electrical Safety, Technical Support, System Support, Test Equipment, Quality Assurance
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Advertising Campaigns, Campaign Management, Advertising, Online Advertising, Social Media Marketing, Digital Advertising, Lead Generation, Automation
Beginner · Guided Project · Less Than 2 Hours