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.

Howard University
Skills you'll gain: Linear Algebra, Data Visualization, Applied Mathematics, NumPy, Jupyter, Mathematical Modeling, Data Science, Python Programming, Software Installation, Data Manipulation, Git (Version Control System)
Beginner · Course · 1 - 4 Weeks

The Chinese University of Hong Kong
Skills you'll gain: Culture, Ancient History, Cultural Diversity, World History, Art History, Liberal Arts, Anthropology, Sociology, Storytelling
Intermediate · Course · 1 - 3 Months

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

University of Colorado Boulder
Skills you'll gain: Physical Science, Geographic Information Systems, Physics, Environmental Science, Spatial Analysis, Environment, General Science and Research, Remote Access Systems, Life Sciences, Laboratory Research, Biology, Research, Timelines, Systems Of Measurement
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Data Ethics, Computer Security Awareness Training, Ethical Standards And Conduct, Cybersecurity, Information Technology, Responsible AI, Information Privacy, Social Impact, Media and Communications, Personally Identifiable Information, Artificial Intelligence, Algorithms
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, HTML and CSS, Bootstrap (Front-End Framework), Web Design, Browser Compatibility, User Interface and User Experience (UI/UX) Design, Javascript
Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Data Wrangling, Exploratory Data Analysis, Tidyverse (R Package), Data Manipulation, Data Transformation, Data Cleansing, R Programming, Data Preprocessing, Statistical Programming, Text Mining
Mixed · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Product Lifecycle Management, Innovation, Global Marketing, Business Strategy, New Product Development, Market Analysis, Market Opportunities, Competitive Analysis, Technology Strategies, Strategic Thinking, Risk Analysis
Build toward a degree
Intermediate · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Grammar, English Language
Intermediate · Course · 1 - 4 Weeks

Koç University
Skills you'll gain: Integral Calculus, Calculus, Differential Equations, Advanced Mathematics, Applied Mathematics, Engineering Analysis, Linear Algebra, Mathematical Modeling, Mathematical Theory & Analysis, Geometry, Physics, Derivatives
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Executive Presence, Succession Planning, Organizational Structure, Diversity Equity and Inclusion Initiatives, Organizational Leadership, Engineering Management, Team Building, People Management, Team Leadership, Telecommuting, Business Leadership, Leadership, Leadership Development, Virtual Teams, Personal Development, Communication, Self-Awareness
Beginner · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Java Programming, Java, Computer Programming, Data Validation, Data Integrity, Computer Science
Intermediate · Course · 1 - 4 Weeks