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.
Imperial College London
Skills you'll gain: Virtual Reality, Augmented and Virtual Reality (AR/VR), Virtual Environment, 3D Assets, Visualization (Computer Graphics), Android Development, Computer Graphics, Android Studio, Computer Graphic Techniques, Animations, Interaction Design
Advanced · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Strategic Communication, Target Audience, Public Relations, Marketing Communications, Advertising Campaigns, Media Strategy, Communication Strategies, Campaign Management, Integrated Marketing Communications, Branding, Earned Media, Brand Management, Paid media, Owned Media, Business Strategy, Shared Media, Employee Engagement
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Linear Algebra, Algebra, Calculus, Advanced Mathematics, Differential Equations, Mathematical Theory & Analysis, Trigonometry, Geometry, Mathematical Modeling
Mixed · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Apache Kafka, Data Pipelines, Data Processing, Real Time Data, Live Streaming, Distributed Computing, Event-Driven Programming
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: R Programming, Arithmetic, Statistical Programming, Development Environment, Programming Principles, Data Import/Export
Beginner · Guided Project · Less Than 2 Hours

University of Illinois Urbana-Champaign
Skills you'll gain: Networking Hardware, Network Infrastructure, Network Routers, Network Switches, Network Architecture, Cloud Infrastructure, Internet Of Things, General Networking, Network Administration, Network Protocols, Infrastructure Security, Wireless Networks, Network Planning And Design, Network Security, System Implementation, Cloud Computing, System Monitoring
Intermediate · Course · 1 - 4 Weeks

IE Business School
Skills you'll gain: Diversity Equity and Inclusion Initiatives, Diversity and Inclusion, Diversity Awareness, Diversity Training, Workplace inclusivity, Cognitive flexibility, Disabilities, Cultural Diversity, Intercultural Competence, Culture, Innovation, Human Resource Policies, Cultural Responsiveness, Empathy, Gerontology, People Management, Organizational Effectiveness, Employee Engagement, Organizational Change, Team Management
Beginner · Specialization · 3 - 6 Months

Columbia University
Skills you'll gain: Image Analysis, Computer Graphics, 3D Modeling, Virtual Reality, Computer Vision, Visualization (Computer Graphics), Mathematical Modeling, Linear Algebra
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Sampling (Statistics), R (Software), Statistical Inference, Probability Distribution, R Programming, Statistical Hypothesis Testing, Descriptive Statistics, Statistical Methods, Data Science, Statistics, Data Analysis, Statistical Analysis, Probability, Data Manipulation, Histogram
Build toward a degree
Beginner · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Cybersecurity, Cyber Security Strategy, Cyber Governance, Cyber Risk, Cyber Security Assessment, Security Strategy, Cyber Security Policies, Security Management, Security Awareness, Threat Modeling, Information Privacy, Infrastructure Security, Risk Management, Vulnerability Assessments
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Writing, Course Development, Peer Review, Editing, Creativity
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Jupyter, Microservices, AWS SageMaker, Cloud Engineering, Command-Line Interface, Data Pipelines, CI/CD, Package and Software Management, Containerization, Applied Machine Learning, Python Programming, Test Automation, Algorithms
Intermediate · Course · 1 - 4 Weeks