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.

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

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

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Physiology, Biochemistry, Cell Biology, Pharmacology, Molecular Biology, Immunology, Microbiology, Nutrition and Diet, Oncology
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Front-End Web Development, Web Design and Development, Web Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Algorithms, Computer Programming, Computational Thinking, Theoretical Computer Science, Performance Tuning
Intermediate · Course · 1 - 3 Months

Check Point Software Technologies Ltd.
Skills you'll gain: Endpoint Security, Threat Detection, Malware Protection, Security Software, Security Management, Cybersecurity, Cyber Attacks, Remote Access Systems, Zero Trust Network Access, Network Protocols, Software Installation, Linux
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Kinesiology, Rehabilitation, Exercise Science, Human Musculoskeletal System, Sports Medicine, Exercise Therapy, Physical Therapy, Neurology, Physiology, Geriatrics
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Node.JS, Web Development, HTML and CSS, Front-End Web Development, Web Servers, Cascading Style Sheets (CSS), Web Applications, Server Side, Javascript, Middleware, Back-End Web Development
Intermediate · Guided Project · Less Than 2 Hours

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 Michigan
Skills you'll gain: Statistical Modeling, Regression Analysis, Statistical Methods, Statistical Inference, Probability & Statistics, Correlation Analysis, Data Analysis, Statistical Analysis, Statistical Hypothesis Testing
Intermediate · Course · 1 - 4 Weeks