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 Maryland, College Park
Skills you'll gain: Model Evaluation, Apache Hadoop, Machine Learning Methods, Marketing Automation, Marketing Analytics, Digital Marketing, Marketing Strategies, Artificial Intelligence and Machine Learning (AI/ML), Big Data, Customer Insights, Advanced Analytics, Machine Learning, Artificial Neural Networks, Machine Learning Algorithms, Deep Learning, Predictive Analytics
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Python Programming, Simulations, Debugging, Pandas (Python Package), Program Development, Unit Testing, Test Case, Data Science, Software Design, Computational Thinking, Integration Testing, Computer Programming, Object Oriented Programming (OOP), Data Manipulation, Software Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Workday (Software), Payroll Processing, Payroll, Payroll Systems, Payroll Administration, Benefits Enrollment Processes, Benefits Administration, Human Resources Software, Business Reporting, Workflow Management, Ad Hoc Reporting, Business Process, Compensation and Benefits, Organizational Structure, Data Entry, Staff Management, Data Maintenance
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, Web Design, Typography, Front-End Web Development, Cascading Style Sheets (CSS), UI Components, Figma (Design Software), Hypertext Markup Language (HTML), User Interface (UI) Design, User Interface (UI), Web Content Accessibility Guidelines, Usability, Animations
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Routing Protocols, Software-Defined Networking, Wide Area Networks, Virtual Networking, Network Troubleshooting, Open Shortest Path First (OSPF), Network Routing, Network Architecture, Network Monitoring, Network Planning And Design, Computer Networking, Virtual Private Networks (VPN), Border Gateway Protocol, Network Performance Management, Network Security, Network Administration, Firewall, Network Infrastructure, Amazon Web Services, Cloud Deployment
Beginner · Specialization · 1 - 3 Months
Skills you'll gain: Service Recovery, De-escalation Techniques, Greeting Customers, Customer Complaint Resolution, Customer Service, Conflict Management, Client Services, Hospitality, Friendliness, Professionalism, Teamwork, Composure, Coordination, Customer experience improvement, Personalized Service, Customer Relationship Building, Verbal Communication Skills, Communication, Empathy, Active Listening
Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Social Determinants Of Health, Health Promotion, Food Safety and Sanitation, Public Health and Disease Prevention, Public Health, Epidemiology, Nutrition and Diet, Policy Development, Health Policy, Public Policies, Policy Analysis, Program Evaluation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Adobe After Effects, Video Production, Post-Production, Video Editing, Storyboarding, Ideation, Content Creation, Cinematography, Motion Graphics, Creativity, Color Matching
Mixed · Course · 1 - 3 Months

Skills you'll gain: Unity Engine, Game Design, Animation and Game Design, Video Game Development, User Interface (UI), UI Components, Debugging, Scripting, C# (Programming Language)
Mixed · Course · 1 - 4 Weeks

JetBrains
Skills you'll gain: Application Development, Generative AI Agents, Large Language Modeling, AI Enablement, Software Development Tools, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), IntelliJ IDEA, Generative AI, Code Review, Agentic systems, Integrated Development Environments, Software Development, Computer Programming, Debugging, Software Development Life Cycle
Beginner · Course · 1 - 3 Months

Skills you'll gain: Search Engine Optimization, Web Analytics and SEO, Keyword Research, Auditing, Content Strategy, Web Analytics, Content Performance Analysis, Technical Support, Extensible Markup Language (XML)
Beginner · Course · 1 - 3 Months

Google - Spectrum Sharing
Skills you'll gain: Key Management, Interoperability, Configuration Management, Telecommunications, Wireless Networks, Authorization (Computing), Data Validation
Advanced · Course · 1 - 3 Months