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: Blockchain, FinTech, Cryptography, Emerging Technologies, Stakeholder Analysis, Cryptographic Protocols, Distributed Computing, General Ledger, Program Implementation, Financial Services, Information Privacy, Transaction Processing
★ 4.7 (694) · Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Requirements Elicitation, Software Design Documents, Requirements Analysis, Mockups, Security Requirements Analysis, Interviewing Skills, User Requirements Documents, Systems Development Life Cycle, Data Flow Diagrams (DFDs), Storyboarding, Functional Requirement, Goal Setting, Software Development Methodologies, Software Documentation, Diagram Design, Agile Methodology, Product Requirements, Unified Modeling Language, Risk Management Framework, Risking
★ 4.5 (857) · Beginner · Specialization · 3 - 6 Months

Berklee
Skills you'll gain: Music, Musical Composition, Media Production, Instrumental Music, Automation, Post-Production, File Management, Data Import/Export, Editing, Electronic Media
★ 4.7 (616) · Beginner · Course · 1 - 4 Weeks

Kennesaw State University
Skills you'll gain: Vulnerability Management, Cybersecurity, Cyber Attacks, Cyber Security Policies, Security Management, Vulnerability Assessments, Cyber Security Strategy, Network Security, Threat Management, Security Controls, Continuous Monitoring, Firewall, Virtual Private Networks (VPN), Intrusion Detection and Prevention, Human Factors (Security)
★ 4.8 (729) · Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: CI/CD, C# (Programming Language), SQL, Database Management, Azure DevOps, Object Oriented Design, Continuous Integration, Object Oriented Programming (OOP), ASP.NET, Debugging, Relational Databases, Secure Coding, Cloud Deployment, .NET Framework, Microsoft Copilot, Scalability, Graph Theory, Back-End Web Development, Program Development, Data Structures
★ 4.6 (402) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Wound Care, Hand Hygiene, Personal protective equipment, Infection Control, Sterile Procedure, Asepsis, Medical Surgical Nursing, Basic Nursing Skills, Health Assessment, Health And Safety Standards, Patient Safety, Patient Treatment, Public Health and Disease Prevention, Health Care, Healthcare Ethics, Nursing, Clinical Nursing, Health Care Procedure and Regulation, Community Health, Healthcare Industry Knowledge
Beginner · Course · 1 - 4 Weeks

University at Buffalo
Skills you'll gain: Electrical Systems, Electrical Wiring, Electrical Power, Electric Power Systems, HVAC, Construction Inspection, Electrical Equipment, Engineering Calculations, Architectural Design, Mechanical Design, Systems Analysis, Energy and Utilities, Building Codes, Structural Analysis, Cost Estimation
★ 4.7 (732) · Intermediate · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Writing and Editing, Editing, Writing, Organizational Skills, Productivity, Time Management, Storytelling, Content Creation, Lifelong Learning, Creativity
★ 4.7 (573) · Beginner · Course · 1 - 4 Weeks

Yonsei University
Skills you'll gain: Deep Learning, Artificial Intelligence and Machine Learning (AI/ML), Tensorflow, Artificial Neural Networks, Convolutional Neural Networks, Machine Learning Methods, Recurrent Neural Networks (RNNs), Technology Strategies, Business Strategy, Machine Learning Software, Business Modeling, Business Strategies, Artificial Intelligence, Machine Learning, Company, Product, and Service Knowledge, Unsupervised Learning
★ 4.4 (687) · Beginner · Course · 1 - 3 Months

The University of Edinburgh
Skills you'll gain: Liberal Arts, Research, Discussion Facilitation, Scientific Methods, Social Sciences, Cultural Diversity, Psychology, Sociology
★ 4.6 (533) · Beginner · Course · 1 - 3 Months

University at Buffalo
Skills you'll gain: Electrical Systems, Power Electronics, Electrical Power, Basic Electrical Systems, HVAC, Engineering Practices, Energy and Utilities, Electric Power Systems, Construction, Semiconductors, Cost Benefit Analysis, Sustainable Technologies, Cost Estimation, Return On Investment, System Configuration, Tax Management
★ 4.7 (874) · Beginner · Course · 1 - 3 Months

The Museum of Modern Art
Skills you'll gain: Education and Training, Empathy & Emotional Intelligence, Interactive Learning, Art History, Pedagogy, Student-Centred Learning, Creative Thinking, Design Thinking, Journals
★ 4.8 (539) · Intermediate · Course · 1 - 3 Months