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.

University of Washington
Skills you'll gain: Software Installation, Programming Principles, Other Programming Languages, Functional Design, Computer Programming, Ruby (Programming Language), Theoretical Computer Science, Object Oriented Programming (OOP), Code Reusability, Development Environment
★ 4.9 (1.9K) · Intermediate · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Distributed Computing, Cloud Infrastructure, Cloud Services, Big Data, Cloud Technologies, Apache Spark, Cloud Computing, Cloud Storage, Virtual Networking, Cloud Platforms, Cloud Solutions, Network Architecture, Cloud Computing Architecture, Computer Networking, File Systems, Apache Hadoop, Cloud Applications, Cloud Development, Software-Defined Networking, Data Store
★ 4.3 (2.1K) · Intermediate · Specialization · 3 - 6 Months

Peking University
Skills you'll gain: Language Learning, Language Competency, Oral Expression, Vocabulary, Grammar, Oral Comprehension, Culture
★ 4.9 (2.7K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Medical Privacy, Pharmacology, Pharmacy, Pharmacy Operations, Pharmaceuticals, Basic Life Support (BLS) Certification, Healthcare Ethics, Medication Dispensation, Health Care Procedure and Regulation, Pharmacotherapy, Clinical Pharmacy, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Infectious Diseases, Life Support, Public Health and Disease Prevention, Emergency Response, Health Information Management and Medical Records, Bloodborne Pathogens, Public Health, Information Privacy
★ 4.9 (29) · Intermediate · Course · 1 - 4 Weeks

HRCI
Skills you'll gain: Talent Acquisition, Recruitment, Full Cycle Recruitment, Job Analysis, Contract Negotiation, Recruitment Strategies, Employee Onboarding, Negotiation, Employee Retention, Talent Sourcing, Human Resources, New Hire Orientations, Interviewing Skills, Forecasting, Labor Law, Law, Regulation, and Compliance
★ 4.8 (2.2K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: HTML and CSS, Hypertext Markup Language (HTML), Web Development Tools, Web Design and Development, Web Development, Cascading Style Sheets (CSS), Web Design, Front-End Web Development, Javascript, Web Applications, Interactive Design, Program Development, JavaScript Frameworks, Full-Stack Web Development, Back-End Web Development
★ 4.6 (2.4K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Paid media, Instagram, Advertising Campaigns, Advertising, Social Media, Online Advertising, Facebook, Social Media Campaigns, Social Media Marketing, Social Media Content, Digital Advertising, Content Creation, Copywriting, Data-Driven Marketing, Campaign Management, Information Privacy, Brand Management
★ 4.8 (2.7K) · Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Object Oriented Design, Unity Engine, Object Oriented Programming (OOP), Video Game Development, Software Design Patterns, C# (Programming Language), Debugging, Data Structures, Software Design, Game Design, Prototyping, Programming Principles, Data Storage, Graph Theory, Code Reusability, C and C++, Event-Driven Programming, Software Architecture, Application Design, Algorithms
★ 4.7 (2.8K) · Beginner · Specialization · 3 - 6 Months

Rice University
Skills you'll gain: Communication Planning, Stakeholder Management, Organizational Structure, Project Documentation, Stakeholder Engagement, Project Management, Engineering Management, Project Management Life Cycle, Project Coordination, Stakeholder Analysis, Project Scoping, Program Evaluation, Stakeholder Communications, Planning, Project Planning, Cost Benefit Analysis, Requirements Management, Project Performance, Financial Analysis, Project Management Institute (PMI) Methodology
★ 4.7 (3.5K) · Beginner · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Bioinformatics, Programming Principles, Molecular, Cellular, and Microbiology, Python Programming, Computational Thinking, Biology, Program Development
★ 4.2 (1.6K) · Beginner · Course · 1 - 4 Weeks

The Museum of Modern Art
Skills you'll gain: Design Thinking, Creative Thinking, Creative Problem-Solving, Education and Training, Empathy & Emotional Intelligence, Instructional Strategies, Liberal Arts, Interactive Learning, Pedagogy, Student-Centred Learning, Cultural Responsiveness, Creativity, Social Justice, Self-Awareness, Curriculum Development, Empathy, Social Impact, Literacy, Learning Strategies, Communication Strategies
★ 4.8 (2.1K) · Intermediate · Specialization · 3 - 6 Months

MedCerts
Skills you'll gain: Pulmonology, Medical Terminology, Cardiology, Respiratory Care, Respiration, General Medical Tests and Procedures, Hemodynamics, Medical Records, Cardiac Dysrhythmia, Immunology, Pathology, Hematology, Anatomy, Diagnostic Tests, Laboratory Testing, Health Information Management and Medical Records, Physiology
★ 4.6 (25) · Beginner · Course · 1 - 4 Weeks