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

Skills you'll gain: Model Evaluation, Feature Engineering, Bioinformatics, Dimensionality Reduction, Predictive Modeling, Deep Learning, Artificial Neural Networks, Pandas (Python Package), Drug Development, Unsupervised Learning, Scikit Learn (Machine Learning Library), Data Manipulation, Molecular Biology, Regression Analysis, Machine Learning Algorithms, Machine Learning
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Environment, Environmental Monitoring, Physical Science, Hydrology, Environmental Science, Climate Change Adaptation, Geospatial Information and Technology, Geographic Information Systems, Social Studies, World History
Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Health Disparities, Psychiatry, Patient Education And Counseling, Community Mental Health Services, Social Determinants Of Health, Patient Communication, Psychiatric Assessments, Mental Health Diseases and Disorders, Rehabilitation, Trauma Care, Mental and Behavioral Health, Pharmacology, Mental Health
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Organizational Change, Change Management, Business Transformation, Organizational Development, Organizational Leadership, Business Leadership, Organizational Structure, Leadership Development, Case Studies, Industrial and Organizational Psychology, Human Relations Movement, Adaptability, Lifelong Learning, Neurology
Beginner · Course · 1 - 4 Weeks

Queen Mary University of London
Skills you'll gain: Tax, Tax Laws, Law, Regulation, and Compliance, Cloud Services, Cloud Security, Tax Compliance, Cloud Computing, Sales Tax, Regulation and Legal Compliance, Tax Management, Corporate Tax, Income Tax, General Data Protection Regulation (GDPR), Data Access, Digital Forensics, Interoperability, Criminal Investigation and Forensics, Competitive Analysis, Market Analysis, Market Dynamics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Figma (Design Software), Responsive Web Design, User Interface and User Experience (UI/UX) Design, Usability, Web Design, User Experience, User Interface (UI), Typography, Design Elements And Principles, Layout Design, Color Theory, UI Components, Wireframing, Web Components, Mockups
Intermediate · Course · 1 - 3 Months

Peking University
Skills you'll gain: Nursing Process, Perioperative Care, Nursing Care, Nursing, Oncology, Clinical Nursing, Patient Education And Counseling, Diagnostic Tests, Public Health and Disease Prevention, Radiation Therapy, Surgery, Pathology, Patient Treatment, Epidemiology, Pharmacology
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: User Research, User Experience Design, User Experience, User Interface and User Experience (UI/UX) Design, Usability, Verification And Validation, Human Computer Interaction, Usability Testing, Design Research, Embedded Systems, Wireframing, Prototyping, Unified Modeling Language, Persona Development
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Responsive Web Design, HTML and CSS, Bootstrap (Front-End Framework), Web Design, Cascading Style Sheets (CSS), Web Design and Development, Front-End Web Development, Mobile Development, Hypertext Markup Language (HTML), Web Development
Beginner · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Calculus, Numerical Analysis, Integral Calculus, Engineering Calculations, Applied Mathematics, Differential Equations, Algebra, Trigonometry, Engineering Analysis, Advanced Mathematics, General Mathematics, Physics, Geometry, Arithmetic, Mathematical Theory & Analysis, Mathematical Modeling, Derivatives, Graphing, Deductive Reasoning
Beginner · Course · 1 - 3 Months

Skills you'll gain: Design Elements And Principles, Creativity
Mixed · Course · 1 - 4 Weeks