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.

Yonsei University
Skills you'll gain: Language Competency, Grammar, Writing, Vocabulary, Literacy, Culture
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: HTML and CSS, Cascading Style Sheets (CSS), Ajax, Javascript, Responsive Web Design, Front-End Web Development, Web Design, Bootstrap (Front-End Framework), Web Development, Development Environment, Web Development Tools, Web Design and Development, JSON, Web Applications, Web Content Accessibility Guidelines, Scripting, Browser Compatibility, Hypertext Markup Language (HTML), Object Oriented Programming (OOP), Event-Driven Programming
Beginner · Specialization · 1 - 3 Months
Duke University
Skills you'll gain: File I/O, Java Programming, Software Design, Debugging, Software Engineering, Javascript, Computer Programming, Event-Driven Programming, Encryption, Algorithms, Image Analysis, AI Personalization, Program Development, Data Processing, Statistical Analysis, Data Import/Export, Predictive Modeling, Integrated Development Environments, Data Analysis, Cascading Style Sheets (CSS)
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Operating System Administration, Digital Forensics, Cyber Threat Hunting, Incident Response, IT Service Management, Cloud Computing, Governance Risk Management and Compliance, Information Technology Infrastructure Library, Malware Protection, Identity and Access Management, Penetration Testing, Computer Security Incident Management, Linux Commands, Database Management, Networking Hardware, Network Security, Cybersecurity, Cyber Threat Intelligence, Interviewing Skills, Cyber Security Assessment
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Data Storytelling, Performance Measurement, Search Engine Marketing, Performance Analysis, Content Performance Analysis, Data-Driven Decision-Making, Search Engine Optimization, Branding, Web Analytics and SEO, Business Metrics, Marketing Strategy and Techniques, Digital Marketing, Customer Engagement, Keyword Research, Marketing Planning, Customer experience strategy (CX), Digital Advertising, Marketing, E-Commerce, Marketing Analytics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: User Experience, User Experience Design, User Research, Design Thinking, Persona (User Experience), Usability, User Centered Design, User Interface (UI), Mockups, Prototyping, Sprint Retrospectives, Wireframing, Sprint Planning
Beginner · Course · 1 - 4 Weeks

Multiple educators
Skills you'll gain: Incident Response, Digital Forensics, Network Security, Computer Security Incident Management, Cloud Computing Architecture, Penetration Testing, Cloud Services, Business Continuity, Cloud Deployment, Disaster Recovery, Security Controls, Generative AI, Configuration Management, Governance, Cybersecurity, Data Storage, Peripheral Devices, Application Security, Information Technology, Cryptography
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Project Management Life Cycle, Change Management, Project Management, Organizational Structure, Generative AI Agents, Project Planning, Organizational Skills, Agile Methodology, Waterfall Methodology, Cross-Functional Collaboration, Strategic Thinking
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Django (Web Framework), Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Back-End Web Development, Relational Databases, Object Oriented Programming (OOP), Database Management Systems, Bootstrap (Front-End Framework), SQL, Database Design, Databases, Front-End Web Development, Database Administration, Unit Testing, MySQL, Web Development, Computer Programming, Pseudocode, Communication
Beginner · Specialization · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: Supervised Learning, Jupyter, Scikit Learn (Machine Learning Library), Machine Learning, NumPy, Predictive Modeling, Classification Algorithms, Feature Engineering, Artificial Intelligence, Model Evaluation, Data Preprocessing, Python Programming, Logistic Regression, Regression Analysis, Unsupervised Learning
Beginner · Course · 1 - 4 Weeks

The University of Edinburgh
Skills you'll gain: Liberal Arts, Political Sciences, Research, Psychology, Scientific Methods, Science and Research, Research Methodologies, Ethical Standards And Conduct
Mixed · Course · 3 - 6 Months

Universitat Autònoma de Barcelona
Skills you'll gain: Crisis Intervention, Emergency Response, First Aid, Emergency Services, De-escalation Techniques, Stress Management, Disabilities, Trauma Care, Mental Health, Family Support, Psychology, Cultural Sensitivity, Working With Children, Child Development, Interpersonal Communications, Patient Communication
Beginner · Course · 1 - 3 Months