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.

Scrimba
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, HTML and CSS, Web Design and Development, Front-End Web Development, Web Design, Computer Programming
Intermediate · Course · 1 - 4 Weeks

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

University of Colorado Boulder
Skills you'll gain: Accountability, Executive Presence, Decision Making, Conflict Management, Business Ethics, Succession Planning, Risk Management, Organizational Structure, Stakeholder Management, Professional Networking, Diversity Equity and Inclusion Initiatives, Strategic Leadership, Relationship Building, Culture Transformation, Business Strategy, Organizational Leadership, Engineering Management, Team Building, Leadership, People Management
Build toward a degree
Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Restful API, ASP.NET, Model View Controller, JSON, API Design, Web Services, Middleware, Back-End Web Development, Server Side, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Ancient History, Timelines, Social Impact, Social Justice, Anthropology, Scientific Methods, World History, Social Sciences, Art History, Sustainable Development, Peer Review, Environment, Case Studies, General Science and Research, Community Development, Climate Change Programs, Spatial Analysis, Research, Cultural Sensitivity, Data Analysis
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Respiration, Respiratory Care, Pulmonology, Oxygen Therapy, Patient Evaluation, Pulmonary Function Testing, Airway Management, Capillary, Anatomy, Physiology, Patient Treatment, Immunology, Medical Terminology, Diagnostic Tests, Pharmacotherapy, Infectious Diseases
Beginner · Course · 1 - 3 Months

University of Minnesota
Skills you'll gain: Competitive Analysis, Healthcare Industry Knowledge, Stakeholder Analysis, Medical Devices, Market Opportunities, Innovation, Clinical Assessment, Market Analysis, Report Writing, Revenue Forecasting, Financial Modeling, Cost Benefit Analysis, Business Valuation, Regulatory Affairs, Intellectual Property
Mixed · Course · 1 - 3 Months

MathWorks
Skills you'll gain: Computer Vision, Model Evaluation, Image Analysis, Matlab, Machine Learning Methods, Data Preprocessing, Machine Learning, Classification Algorithms, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning Algorithms, Deep Learning, Data Validation
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Responsive Web Design, HTML and CSS, Bootstrap (Front-End Framework), Web Design and Development, Web Applications, Browser Compatibility, User Experience Design, Requirements Analysis, Client Services, Javascript
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft PowerPoint, Presentations, Data Visualization, Sales Presentation, Data Visualization Software, Interactive Data Visualization, Data Storytelling, Drive Engagement, Business Process
Beginner · Guided Project · Less Than 2 Hours
University of Illinois Urbana-Champaign
Skills you'll gain: New Product Development, Product Development, Design Thinking, Market Research, Quantitative Research, Product Management, Customer Insights, Consumer Behaviour, Market Analysis, Target Market, Forecasting, Innovation, Needs Assessment, Analysis, Data Collection, Technology Solutions
Mixed · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: ASP.NET, Restful API, .NET Framework, Web Services, JSON, Model View Controller, Web Applications, Back-End Web Development, API Design, Application Programming Interface (API), Server Side, Extensible Markup Language (XML), Application Security, Object-Relational Mapping, Middleware
Intermediate · Course · 1 - 4 Weeks