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.

Universiteit Leiden
Skills you'll gain: Statistical Inference, Statistical Hypothesis Testing, Regression Analysis, R Programming, Data Analysis, Statistical Analysis, Descriptive Analytics, R (Software), Descriptive Statistics, Statistical Methods, Sampling (Statistics), Analysis, Probability & Statistics, Data Ethics, Data Collection, Analytical Skills, Medical Privacy, Exploratory Data Analysis, Statistical Reporting, Logistic Regression
Beginner · Course · 1 - 3 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Matlab, Engineering Analysis, Mathematical Software, Mechanical Engineering, Numerical Analysis, Mathematical Modeling, Applied Mathematics, Simulation and Simulation Software, Differential Equations, Mechanics, Calculus
Intermediate · Course · 1 - 4 Weeks

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

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, LangChain, AI Orchestration, SQL, LLM Application, Query Languages, Generative AI Agents, OpenAI API, Microsoft Azure, Tool Calling, OpenAI, Natural Language Processing, Large Language Modeling
Beginner · Project · Less Than 2 Hours
Emory University
Skills you'll gain: Marketing Channel, Strategic Marketing, Marketing Strategies, Business Marketing, Go To Market Strategy, Target Market, Customer Analysis, Value Propositions, Market Opportunities, Case Studies, B2B Sales, Consumer Behaviour, Strategic Thinking, Competitive Analysis, Auditing, Resource Allocation
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, Browser Compatibility, Hypertext Markup Language (HTML), HTML and CSS, Web Development Tools, Web Design, Web Development
Intermediate · Guided Project · Less Than 2 Hours

Columbia University
Skills you'll gain: Image Analysis, Computer Vision, Classification Algorithms, Algorithms, Machine Learning Methods
Beginner · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Network Infrastructure, General Networking, Network Protocols, Network Routers, Network Architecture, Networking Hardware, Internet Of Things, Network Routing, Wireless Networks, Local Area Networks, Network Switches, Virtual Local Area Network (VLAN), Enterprise Architecture, Network Security
Intermediate · Course · 1 - 4 Weeks

Indian Institute for Human Settlements
Skills you'll gain: Innovation, Sustainable Development, Community Development, Spatial Analysis, Environmental Issue, Social Sciences, Policy Analysis, Demography, Climate Change Adaptation, Environmental Policy, Socioeconomics, Systems Thinking, Economic Development, Sociology, Emerging Technologies, Cultural Diversity, Big Data, Data Literacy, Research Methodologies
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Delegation Skills, Stakeholder Management, Engineering Management, Technical Management, Stakeholder Engagement, Negotiation, Stakeholder Communications, Mentorship, Meeting Facilitation, Decision Making, Team Leadership, Leadership, Organizational Leadership, Leadership and Management, Culture Transformation, Team Management, Management Training And Development, Team Building, Collaboration, Communication
Build toward a degree
Beginner · Specialization · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Stakeholder Engagement, Project Management Institute (PMI) Methodology, Plan Execution, Risk Management, Technical Management, Quality Control
Beginner · Course · 1 - 3 Months

Skills you'll gain: Intrusion Detection and Prevention, Continuous Monitoring, Threat Management, Firewall, Incident Response, Network Security, Threat Detection, Network Monitoring, System Monitoring, Event Monitoring, Infrastructure Security, Cybersecurity, Anomaly Detection
Advanced · Course · 1 - 4 Weeks