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.

Dartmouth College
Skills you'll gain: Creativity, Ideation, Culture, Liberal Arts, Decision Intelligence, Psychology, Social Sciences, Science and Research, Ethical Standards And Conduct, Anthropology, Governance
★ 4.9 (10) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Organizational Change, Change Management, Business Transformation, Organizational Development, Organizational Leadership, Leadership Studies, Organizational Strategy, Business Leadership, Strategic Leadership, Organizational Structure, Drive Engagement, Leadership Development, Cross-Functional Collaboration, Stakeholder Engagement, Employee Engagement, Driving engagement, Team Building, Industrial and Organizational Psychology, Lifelong Learning
★ 4.4 (21) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Videography, Video Editing, Cinematography, Video Production, Visual Storytelling, Storytelling, Editing, Creativity
★ 3.9 (7) · Beginner · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Data Storytelling, Data Presentation, Feature Engineering, Data Visualization Software, Unsupervised Learning, SQL, Data Analysis, Model Evaluation, Seaborn, Data Visualization, Tableau Software, Predictive Modeling, Exploratory Data Analysis, Predictive Analytics, Analytics, Presentations, Database Management, Advanced Analytics, Data Science, Machine Learning
★ 4.5 (6) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: User Research, UI/UX Research, User Interface and User Experience (UI/UX) Design, User Interface (UI), User Experience, UI/UX Strategy, Persona (User Experience), User Centered Design, Usability, User Flows, User Interface (UI) Design, Responsive Web Design, Graphic and Visual Design, Interactive Design, Interaction Design, Layout Design, Design Elements And Principles, Typography, Prototyping
★ 4.1 (14) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Test Automation, Software Testing, Test Script Development, Test Data, Browser Compatibility, Java, Cascading Style Sheets (CSS), Data Import/Export, Debugging, Maintainability
★ 4.4 (14) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Agile Methodology, Product Management, Sprint Planning, Sprint Retrospectives, Backlogs
★ 4.6 (16) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Agentic Workflows, Generative AI Agents, Agentic systems, AI Orchestration, OpenAI API, AI Workflows, OpenAI, LLM Application, AI Integrations, Performance Tuning, Real Time Data, Tool Calling, Prompt Patterns, Prompt Engineering, Token Optimization, AI Security, Application Programming Interface (API), Software Architecture, Systems Integration
Intermediate · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Water Resources, Water Quality, Hazard Analysis, Pollution Prevention, Food Safety and Sanitation, Food and Beverage, Environmental Issue, Laboratory Testing, Environmental Monitoring, Public Health, Microbiology, Analytical Testing, Analytical Chemistry, Environmental Science, Biochemistry, Biochemical Assays
★ 4.4 (21) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Community Outreach, Social Justice, Community Organizing, Diversity Awareness, Diversity Training, Advocacy, Social Impact, Diversity Equity and Inclusion Initiatives, Community Development, Cultural Diversity
★ 5 (15) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Process Capability, Project Schedules, Project Estimation, Statistical Analysis, Statistical Methods, Data Analysis, Project Management, Project Planning, Six Sigma Methodology, Statistics, Work Breakdown Structure, Lean Six Sigma, Process Analysis, Data Collection, Project Scoping, Probability & Statistics, Performance Measurement, Scope Management, Performance Metric, Quality Assessment
★ 4.8 (12) · Beginner · Course · 1 - 3 Months
Erasmus University Rotterdam
Skills you'll gain: Corporate Communications, Crisis Management, Business Ethics, Case Studies, Public Relations, Social Media Management, Public Affairs, Facebook, Political Sciences, Business Leadership, Organizational Leadership, Governance, Data Ethics, Social Impact, Ethical Standards And Conduct, Leadership, Information Privacy, Stakeholder Analysis
★ 4.5 (14) · Intermediate · Course · 1 - 3 Months