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: Phlebotomy, Blood Collection, Urinalysis, Patient Education And Counseling, Geriatrics, Laboratory Testing, Venipuncture, Electocardiography, Pediatrics, Specimen Collection, Cardiology, Medical Assistance, Patient Preparation, Cardiac Dysrhythmia, Diagnostic Tests, Basic Patient Care, Infection Control
★ 4.6 (14) · Beginner · Course · 1 - 4 Weeks

MedCerts
Skills you'll gain: Patient-centered Care, Informed Consent, Patient Assistance, Basic Patient Care, Patient Communication, Nursing Basics, Healthcare Ethics, Direct Patient Care, Caregiving, Home Health Care and Assisted Living, Toileting, Dignity in Care, Oral Hygiene, Nursing Care, Home Health Care, Nursing Homes, Personal Care, Medical Support, Hospital Experience, Communication
★ 4.7 (18) · Beginner · Course · 1 - 4 Weeks

Copenhagen Business School
Skills you'll gain: Strategic Thinking, Business Strategy, Business Strategies, Strategic Decision-Making, Strategic Planning, Strategic Leadership, Organizational Strategy, Corporate Strategy, Technology Strategies, Competitive Analysis, Global Marketing, Case Studies, Plan Execution, Market Dynamics
★ 4.7 (4.6K) · Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Microsoft Excel, Excel Formulas, Data Management, Data Visualization, Spreadsheet Software, Data Validation, Data Cleansing, Consolidation, Microsoft Office, Data Integrity, Problem Solving
★ 4.7 (3.7K) · Beginner · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Responsive Web Design, Color Theory, Version Control, Typography, HTML and CSS, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), GitHub, Git (Version Control System), Web Design, Web Design and Development, Web Development, Software Versioning, Web Content Accessibility Guidelines, Front-End Web Development, AI Integrations, Application Deployment, Image Quality, Web Development Tools, User Interface (UI) Design
★ 4.7 (3.7K) · Beginner · Specialization · 3 - 6 Months
The University of Edinburgh
Skills you'll gain: Life Sciences, Biology, Environmental Science, Environment, Research, Biochemistry, General Science and Research, Microbiology, Science and Research, Scientific Methods, Experimentation, Molecular, Cellular, and Microbiology
★ 4.8 (2.7K) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Debugging, Python Programming, Cybersecurity, Scripting, Programming Principles, File I/O, IT Automation, Scripting Languages, Data Import/Export, Algorithms, Automation, Computer Programming, Maintainability, Data Structures
★ 4.8 (3.6K) · Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Version Control, Hypertext Markup Language (HTML), GitHub, Git (Version Control System), HTML and CSS, Cascading Style Sheets (CSS), Web Design and Development, Web Development, Web Design, Software Versioning, Image Quality, Web Development Tools, Web Content, Front-End Web Development, Web Presence, Web Servers, Frontend Performance
★ 4.7 (3.7K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: DevOps, Agile Methodology, Cloud-Native Computing, Devops Tools, Continuous Integration, CI/CD, Test Driven Development (TDD), Agile Software Development, Scrum (Software Development), Continuous Deployment, Software Development Methodologies, Behavior-Driven Development, Cloud Computing Architecture, Continuous Delivery, Performance Metric, Team Performance Management, Accountability, Culture Transformation, Microservices, Organizational Development
★ 4.8 (4.2K) · Beginner · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Research, Energy and Utilities, Research Methodologies, Vocabulary, Climate Change Adaptation, Learning Strategies, Climate Change Mitigation, Literacy, English Language, Environment, Sustainable Technologies, Language Learning, Scientific Methods, Environmental Science, Grammar, Emerging Technologies
★ 4.8 (2.9K) · Beginner · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Spanish Language, Grammar, Language Learning, Vocabulary, Oral Expression, Oral Comprehension
★ 4.6 (3.3K) · Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Graph Theory, Logical Reasoning, Cryptographic Protocols, Combinatorics, Computational Logic, Deductive Reasoning, Graphing, Cryptography, Probability, Key Management, Computational Thinking, Encryption, Probability & Statistics, Programming Principles, Network Analysis, Theoretical Computer Science, Bayesian Statistics, Python Programming, Cybersecurity, Algorithms
★ 4.5 (3.7K) · Beginner · Specialization · 3 - 6 Months