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.

Vanderbilt University
Skills you'll gain: SQL, Generative AI, Data Visualization, Database Design, Interactive Data Visualization, Query Languages, Data Capture, Data Analysis, Debugging, ChatGPT, Prompt Engineering, Databases, Data Validation
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: LLM Application, Hugging Face, Large Language Modeling, Natural Language Processing, Model Deployment, Open Source Technology, Prompt Engineering, Containerization, Machine Learning
Beginner · Course · 1 - 4 Weeks

Yale University
Skills you'll gain: Environmental Science, Environment, Biology, Social Justice, Culture, Natural Resource Management, International Relations, Sustainable Development, Anthropology, World History, Ethical Standards And Conduct, Climate Change Mitigation
Beginner · Course · 1 - 3 Months

28DIGITAL
Skills you'll gain: Semantic Web, Query Languages, Data Management, Data Integration, Data Processing, JSON, Data Sharing, Data Mining, Interoperability, Extensible Markup Language (XML), Web Services, Data Modeling
Intermediate · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Matlab, Engineering Analysis, Finite Element Methods, Mathematical Software, Mechanical Engineering, Numerical Analysis, Mathematical Modeling, Applied Mathematics, Advanced Mathematics, Simulation and Simulation Software, Differential Equations, Calculus
Intermediate · Course · 1 - 4 Weeks

Advancing Women in Tech
Skills you'll gain: Goal Setting, Engineering Management, Smart Goals, Recruitment, Technical Management, Management Training And Development, Talent Management, Leadership and Management, Talent Acquisition, People Management, Team Leadership, Software Engineering, Leadership, Program Management, Cloud Engineering, Business Strategy
Beginner · Course · 1 - 4 Weeks

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

Board Infinity
Skills you'll gain: HTML and CSS, React.js, Web Applications, Front-End Web Development, Javascript, Cascading Style Sheets (CSS), Web Development, User Interface (UI)
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Database Management, Relational Databases, MySQL, PHP (Scripting Language), SQL, Databases, Object Oriented Programming (OOP), Web Development, Full-Stack Web Development, Hypertext Markup Language (HTML), Back-End Web Development
Intermediate · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Preventative Care, Patient Education And Counseling, Pharmacology, Contraindication, Bloodborne Pathogens, Drug Interaction, Primary Care, Health Disparities, Medication Therapy Management, Health Equity, Pharmacotherapy, Patient Evaluation, Public Health, Community Health, Patient Advocacy, Clinical Assessment, Patient Communication, Diagnostic Tests, Laboratory Testing
Beginner · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Cyber Attacks, Data Security, Safety and Security, Cybersecurity, Security Software, Computer Security Awareness Training, Information Systems Security, Security Strategy, Incident Response, Data Storage, Vulnerability Assessments, Patch Management
Mixed · Course · 1 - 3 Months

Columbia University
Skills you'll gain: Derivatives, Credit Risk, Financial Market, Portfolio Risk, Capital Markets, Risk Analysis, Risk Management, Market Dynamics, Portfolio Management, Financial Modeling, Operations Research, Mathematical Modeling, Probability Distribution, Applied Mathematics, Computer Programming
Intermediate · Course · 1 - 3 Months