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: Exploitation techniques, Penetration Testing, Cyber Attacks, Cyber Security Assessment, Cybersecurity, Event Monitoring, Vulnerability Management, Vulnerability, Continuous Monitoring, Data Security, Network Security, Analysis, Criminal Investigation and Forensics, System Monitoring, System Configuration, Network Monitoring, Bash (Scripting Language), Scripting, Linux, Python Programming
Advanced · Specialization · 1 - 3 Months
Johns Hopkins University
Skills you'll gain: Rmarkdown, Exploratory Data Analysis, Version Control, Statistical Analysis, R Programming, Data Manipulation, Data Cleansing, Data Science, Plot (Graphics), Statistical Programming, Statistical Visualization, Ggplot2, R (Software), Dimensionality Reduction, Data Visualization Software, Data Integration, Knitr, Data Sharing, GitHub, Machine Learning
Beginner · Specialization · 3 - 6 Months

Council on Foreign Relations
Skills you'll gain: Policy Development, International Relations, Policy Analysis, Public Health, Economic Development, Immigration Law, Sustainable Development, Climate Change Adaptation, Environmental Policy, Social Sciences, Climate Change Mitigation, Emerging Technologies, Technology Strategies, Cybersecurity, Artificial Intelligence
Beginner · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Insurance, Insurance Policies, Risk Management, Underwriting, Financial Planning, Long Term Care, Asset Protection, Wealth Management, Disabilities, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Case Studies, Needs Assessment
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Databases, User Interface and User Experience (UI/UX) Design, Database Theory, Application Frameworks, TypeScript
Intermediate · Course · 3 - 6 Months

Skills you'll gain: User Interface (UI), Web Content Accessibility Guidelines, Development Environment, Web Analytics and SEO
Beginner · Course · 3 - 6 Months

Skills you'll gain: Medical Terminology, Pulmonology, Pathology, Endocrinology, Cardiology, Medical Records, Respiratory Therapy, Neurology, Obstetrics And Gynecology, General Medical Tests and Procedures, Diagnostic Tests, Urology, Gynecology, Anatomy, Human Musculoskeletal System, Health Information Management and Medical Records, Cell Biology, Orthopedics, Physiology, Immunology
Beginner · Specialization · 3 - 6 Months

Universitat Autònoma de Barcelona
Skills you'll gain: First Aid, Emergency Services, Compassion, Mental Health Diseases and Disorders, Psychological Evaluations, Caregiving, Family Support, Resilience, Mental Health, Emotional Intelligence
Beginner · Course · 1 - 3 Months

Skills you'll gain: Test Automation, Continuous Integration, CI/CD, AI Orchestration, Software Quality Assurance, Maintainability, Quality Assurance, Automation, Verification And Validation, User Interface (UI), Natural Language Processing, Scalability
Beginner · Course · 1 - 4 Weeks
Duke University
Skills you'll gain: File I/O, Java Programming, Software Design, Debugging, Software Engineering, Javascript, Computer Programming, Event-Driven Programming, Encryption, Algorithms, Image Analysis, AI Personalization, Program Development, Data Processing, Statistical Analysis, Data Import/Export, Predictive Modeling, Integrated Development Environments, Data Analysis, Cascading Style Sheets (CSS)
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Prompt Engineering, Cloud Deployment, Software Development Life Cycle, Cloud-Native Computing, Istio, Software Architecture, Kubernetes, CI/CD, Cloud Computing Architecture, React Redux, Node.JS, Responsive Web Design, Restful API, Django (Web Framework), Git (Version Control System), Web Design and Development, Server Side, Cloud Computing, Data Import/Export, Engineering Software
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: HTML and CSS, Cascading Style Sheets (CSS), Ajax, Javascript, Responsive Web Design, Front-End Web Development, Web Design, Bootstrap (Front-End Framework), Web Development, Development Environment, Web Development Tools, Web Design and Development, JSON, Web Applications, Web Content Accessibility Guidelines, Scripting, Browser Compatibility, Hypertext Markup Language (HTML), Object Oriented Programming (OOP), Event-Driven Programming
Beginner · Specialization · 1 - 3 Months