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 Michigan
Skills you'll gain: Data Visualization, Data Analysis, Generative AI, Statistical Methods, Data Management, Problem Solving
★ 4.4 (27) · Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: New Product Development, Product Development, Design Thinking, Market Research, Revenue Forecasting, Market Opportunities, Quantitative Research, Customer Insights, User Research, Consumer Behaviour, Ideation, Market Analysis, Target Market, Forecasting, Innovation, Target Audience, Needs Assessment, Analysis, Data Collection, Decision Making
★ 3.7 (33) · Mixed · Course · 1 - 3 Months

University of London
Skills you'll gain: Linux, Linux Commands, Computer Systems, Command-Line Interface, Cybersecurity, Computer Architecture, Network Security, Cyber Attacks, Vulnerability Assessments, Hardware Architecture, Information Systems Security, Application Security, Threat Detection, Authorization (Computing), Network Protocols, Virtual Private Networks (VPN), Operating Systems, VPN Clients, Systems Architecture, Authentications
★ 4.8 (45) · Beginner · Course · 1 - 4 Weeks
Skills you'll gain: CrewAI, Agentic Workflows, Generative AI Agents, Responsible AI, Artificial Intelligence and Machine Learning (AI/ML), AI Workflows, AI Orchestration, Artificial Intelligence, Agentic systems, Automation, LLM Application, AI literacy, Model Evaluation, Innovation
★ 4.5 (32) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Java Platform Enterprise Edition (J2EE), Java Programming, Object-Relational Mapping, Java, Application Servers, Middleware, Application Deployment, Data Persistence, Event-Driven Programming, Enterprise Application Management, Server Side, Data Access, Code Reusability, Context Management, Business Logic, Query Languages, Remote Access Systems
★ 4.8 (60) · 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, Diversity Programs, Cultural Diversity, People Management, Social Justice, Industrial and Organizational Psychology, Culture, Human Resource Strategy, Intercultural Competence, Innovation, Recognizing Others, Human Resource Policies, Cultural Responsiveness, Organizational Effectiveness, Team Management
★ 4.4 (47) · Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: JUnit, Test Driven Development (TDD), Unit Testing, Software Testing, Test Case, Eclipse (Software), Test Data, Development Testing, Test Automation, Test Execution Engine, Integrated Development Environments, Test Script Development, Java, Test Tools, Maintainability, Software Design
★ 3.8 (73) · Intermediate · Specialization · 1 - 3 Months

MathWorks
Skills you'll gain: Computer Vision, Model Evaluation, Image Analysis, Model Training, Matlab, Machine Learning Methods, Data Preprocessing, Machine Learning, Classification Algorithms, Supervised Learning, Machine Learning Algorithms
★ 4.8 (23) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Education and Training, Empathy & Emotional Intelligence, Teaching, Curriculum Planning, Professional Development, Emotional Intelligence, Higher Education, Storytelling, Self-Awareness
★ 4.7 (67) · Advanced · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Business Economics, Game Theory, Market Dynamics, Economics, Market Analysis, Supply And Demand, Operating Cost, Economics, Policy, and Social Studies, Cost Benefit Analysis, Public Policies, Cost Accounting, Consumer Behaviour, Policy Analysis, Research, and Development, Competitive Analysis, Environmental Issue, Production Process, Resource Allocation, Budgeting, Decision Making
★ 4.9 (39) · Beginner · Course · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: International Relations, Sustainable Development, Climate Change Programs, Governance, Socioeconomics, Environment, Cultural Sensitivity, Economic Development, Political Sciences, Natural Resource Management, Environmental Policy, Oil and Gas, World History, Environment and Resource Management, Environmental Science, European History, Petroleum Industry, Energy and Utilities, Anthropology
★ 4.8 (40) · Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: ASP.NET, Restful API, .NET Framework, JSON, C# (Programming Language)
★ 3.9 (44) · Intermediate · Course · 1 - 4 Weeks