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: Respiration, Human Musculoskeletal System, Cardiology, Blood Pressure, Respiratory Care, Respiratory Therapy, Pulmonology, Capillary, Hemodynamics, Clinical Practices, Cell Biology, Physiology, Anatomy, Endocrinology, Diagnostic Tests, Patient Evaluation, Nephrology, Orthopedics, Cardiac Dysrhythmia, Interactive Learning
★ 4.7 (73) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Storytelling, Media Planning, Social Media Marketing, Google Ads, Email Marketing, Social Media Strategy, Order Fulfillment, Paid media, Social Media Management, Online Advertising, Search Engine Optimization, Performance Measurement, Spreadsheet Software, Client Services, Campaign Management, E-Commerce, Loyalty Programs, Marketing, Web Presence, Interviewing Skills
★ 4.8 (49K) · Beginner · Professional Certificate · 3 - 6 Months
Duke University
Skills you'll gain: File I/O, UI Components, Object Oriented Design, Java Programming, Software Design, Debugging, Web Design and Development, Software Engineering, Code Reusability, Hypertext Markup Language (HTML), Computer Programming, Program Development, Event-Driven Programming, Bioinformatics, Encryption, Computer Programming Tools, Javascript, Algorithms, Data Analysis, Cascading Style Sheets (CSS)
★ 4.6 (22K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Threat Modeling, Network Security, Threat Management, Vulnerability Management, Intrusion Detection and Prevention, Hardening, Computer Security Incident Management, Security Management, Cyber Threat Intelligence, Security Awareness, Incident Response, Cybersecurity, Network Protocols, Endpoint Detection and Response, Bash (Scripting Language), Debugging, Linux, Web Presence, Python Programming, SQL
★ 4.8 (66K) · Beginner · Professional Certificate · 3 - 6 Months

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 (41K) · Beginner · Course · 1 - 4 Weeks

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

Michigan State University
Skills you'll gain: Peer Review, Storytelling, Writing and Editing, Editing, Constructive Feedback, Content Creation, Follow Through, Oral Expression, Creative Thinking, Goal Setting, Personal Development, Self-Discipline
★ 4.3 (375) · Beginner · Course · 3 - 6 Months

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

Skills you'll gain: Data Storytelling, Performance Measurement, Digital Media Strategy, Performance Metric, Search Engine Marketing, Conversion Funnel Analysis, Data-Driven Decision-Making, Search Engine Optimization, Branding, Web Analytics and SEO, Digital Marketing, Customer Engagement, Marketing Planning, Marketing Strategies, Marketing, E-Commerce, Email Marketing, Brand Awareness, Marketing Analytics, Performance marketing
★ 4.8 (31K) · Beginner · Course · 1 - 4 Weeks

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 (81K) · Beginner · Professional Certificate · 3 - 6 Months

L&T EduTech
Skills you'll gain: Fire And Life Safety, Building Codes, Pump Stations, Schematic Diagrams, Blueprint Reading, Process Flow Diagrams, Construction, Hydraulics, Safety Assurance, Safety Standards, Plumbing, Equipment Design, Building Services Engineering, Building Design, Facility Management and Maintenance, Hazard Analysis, Health And Safety Standards, Engineering Drawings, System Requirements, Hazard Communication (HazCom)
★ 4.6 (124) · Intermediate · Specialization · 3 - 6 Months

Yonsei University
Skills you'll gain: Language Learning, Grammar, Writing, Vocabulary, Literacy, Oral Comprehension, Culture
★ 4.9 (53K) · Beginner · Course · 1 - 3 Months