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: TikTok, Storytelling, Content Creation, Video Editing, Video Production, Social Media Content, Social Media, Social Media Marketing, Target Audience, Business Marketing, Customer Engagement, User Accounts
Beginner · Course · 1 - 4 Weeks

Curtis Institute of Music
Skills you'll gain: Classical Music, Instrumental Music, Music, Music Performance, Music History
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: HTML and CSS, Hypertext Markup Language (HTML), Responsive Web Design, Cascading Style Sheets (CSS), Web Development Tools, Application Deployment, Web Design and Development, Development Environment, Web Development, Front-End Web Development, User Interface (UI), Interactive Design, GitHub
Beginner · Course · 3 - 6 Months

University of Colorado System
Skills you'll gain: Application Security, Vulnerability Assessments, Software Design, Threat Modeling, Open Web Application Security Project (OWASP), Secure Coding, Software Design Patterns, Software Architecture, Cryptography, Blockchain, Public Key Cryptography Standards (PKCS)
Intermediate · Course · 1 - 3 Months

The Chinese University of Hong Kong
Skills you'll gain: Culture, Social Sciences, Liberal Arts, World History, Ancient History, Research, Political Sciences, Psychology, Economics, Governance
Intermediate · Course · 1 - 3 Months

Lund University
Skills you'll gain: Sustainable Development, Systems Thinking, Sustainable Business, Sustainable Technologies, Sustainability Standards, Policy Development, Environmental Policy, Environmental Science, Climate Change Programs, Innovation, Environment and Resource Management, Natural Resource Management, Mathematical Modeling, Governance, Geospatial Information and Technology
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Control Systems, Vibrations, Torque (Physics), Mathematical Modeling, Differential Equations, Simulation and Simulation Software, Engineering Analysis, Applied Mathematics, Mechanics
Advanced · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Tensorflow, Computer Vision, Image Analysis, Artificial Neural Networks, Applied Machine Learning, Deep Learning, Machine Learning Methods, Machine Learning, Computer Graphics, Artificial Intelligence, Feature Engineering, Algorithms
Build toward a degree
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Postpartum Care, Respiratory Care, Neonatal Intensive Care Unit, Pulmonology, Infant Care, Preventative Care, Pediatric Nursing, Vital Signs, Patient Evaluation, Pediatrics, Health Assessment, Cardiology, Nutritional Assessment, Clinical Assessment, Diagnostic Tests
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Preventative Care, Patient Education And Counseling, Pharmacology, Contraindication, Bloodborne Pathogens, Drug Interaction, Primary Care, Health Disparities, Medication Therapy Management, Health Equity, Pharmacotherapy, Patient Evaluation, Public Health, Community Health, Patient Advocacy, Clinical Assessment, Patient Communication, Diagnostic Tests, Laboratory Testing
Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Environmental Regulations, Sustainable Development, Environmental Policy, Climate Change Mitigation, Energy and Utilities, Climate Change Adaptation, Environment and Resource Management, Environmental Science, Health Assessment, Public Health, Pollution Prevention
Beginner · Course · 1 - 4 Weeks

The University of Edinburgh
Skills you'll gain: Anesthesiology, Post-Anesthesia Care Unit, Pre-Anesthetic Assessment, Pain Management, Patient Education And Counseling, Stress Management, Preventative Care, Perioperative Care, Operating Room (OR), Clinical Practices, Patient Positioning, Clinical Nutrition, Behavioral Health, Patient Observation, Behavior Management, Long Term Care
Intermediate · Course · 1 - 4 Weeks