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.
Skills you'll gain: Cybersecurity, Security Controls, Cyber Attacks, Security Management, Network Security, Cyber Risk, Security Information and Event Management (SIEM), Information Assurance, Data Ethics, Network Analysis
★ 4.8 (42K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Operating System Administration, Digital Forensics, Cyber Threat Hunting, Email Security, Incident Response, IT Service Management, Cloud Computing, Governance Risk Management and Compliance, Information Technology Infrastructure Library, Malware Protection, Networking Hardware, Service Management, Identity and Access Management, Penetration Testing, Database Management, IT Security Architecture, Cyber Threat Intelligence, Interviewing Skills, Cybersecurity, Cyber Security Assessment
★ 4.6 (28K) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Medical Terminology, Pulmonology, Pathology, Endocrinology, Cardiology, Medical Records, Neurology, Respiratory Care, Obstetrics And Gynecology, General Medical Tests and Procedures, Urology, Gynecology, Anatomy, Human Musculoskeletal System, Respiration, Medical Practices and Procedures, Urinalysis, Sensory Systems Analysis, Hemodynamics, Cell Biology
★ 4.7 (275) · Beginner · Specialization · 3 - 6 Months

MedCerts
Skills you'll gain: Medical Terminology, Healthcare Ethics, Basic Patient Care, Conflict Management, Anatomy, Pathology, Direct Patient Care, Occupational Safety and Health Administration (OSHA), Cultural Responsiveness, Patient-centered Care, Personal protective equipment, Patient Communication, Vital Signs, Hand Hygiene, Patient Safety, Personal Care, Patient Positioning, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Pain Management, Infection Control
★ 4.8 (1.3K) · Beginner · Specialization · 3 - 6 Months

IBM
Skills you'll gain: Prompt Engineering, Prompt Patterns, Software Development Life Cycle, Retrieval-Augmented Generation, Large Language Modeling, Software Architecture, Computer Vision, LangChain, ChatGPT, Restful API, Responsive Web Design, Generative AI, Responsible AI, IBM Cloud, Data Ethics, AI Workflows, Python Programming, Software Development, Machine Learning, Data Science
★ 4.7 (82K) · Beginner · Professional Certificate · 3 - 6 Months
Arizona State University
Skills you'll gain: Digital pedagogy, Train The Trainer, Language Interpretation, Translation, and Studies, Design Elements And Principles, English Language, Design Strategies, Verbal Communication Skills, Language Learning, Public Speaking, Critical Thinking
★ 4.9 (20K) · Beginner · Specialization · 3 - 6 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Data-Driven Marketing, Digital Brand Strategy, Digital Marketing Campaigns, Customer Engagement, Journey Mapping, Digital Marketing Tools, Direct Marketing, Driving engagement, Marketing Strategy and Techniques, Online Advertising, Digital Advertising, MarTech, Strategic Marketing, Data Architecture, Social Media Marketing, Consumer Behaviour, Customer Insights, Emerging Technologies, Experimentation, Data Visualization
★ 4.7 (23K) · Beginner · Specialization · 3 - 6 Months

University of Michigan
Skills you'll gain: Unified Modeling Language, JSON, Object Oriented Programming (OOP), File I/O, Software Design, Debugging, Object Oriented Design, Data Processing, Diagram Design, Unit Testing, Programming Principles, Python Programming, Data Import/Export, Data Wrangling, Restful API, Image Analysis, Software Visualization, Data Manipulation, Jupyter, Computer Programming
★ 4.8 (23K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Project Management Life Cycle, Change Management, Project Management, Agile Project Management, Organizational Structure, Program Management, Project Planning, Agile Methodology, Waterfall Methodology, Strategic Thinking
★ 4.9 (101K) · Beginner · Course · 1 - 4 Weeks

Yonsei University
Skills you'll gain: Language Learning, Grammar, Writing, Vocabulary, Literacy, Oral Comprehension, Culture
★ 4.9 (53K) · 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, Bootstrap (Front-End Framework), Web Design, Hypertext Markup Language (HTML), Web Development, Development Environment, Web Development Tools, Web Design and Development, JSON, Web Applications, Web Content Accessibility Guidelines, Browser Compatibility, Object Oriented Programming (OOP), Event-Driven Programming, User Interface and User Experience (UI/UX) Design
★ 4.7 (17K) · Beginner · Specialization · 1 - 3 Months

Multiple educators
Skills you'll gain: Incident Response, Email Security, Digital Forensics, Network Security, Computer Security Incident Management, Cloud Computing Architecture, Incident Management, Business Continuity Planning, Penetration Testing, Cloud Services, Business Continuity, Security Controls, System Configuration, Generative AI, Data Storage, Peripheral Devices, Cybersecurity, Application Security, Information Technology, Cryptography
★ 4.7 (15K) · Beginner · Professional Certificate · 3 - 6 Months