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.

Board Infinity
Skills you'll gain: Responsive Web Design, Database Systems, Front-End Web Development, Application Programming Interface (API), Full-Stack Web Development, Amazon Web Services, Cloud Computing, Authentications, Web Applications, Continuous Deployment, Continuous Integration, JavaScript Frameworks, Web Development, Web Servers, Usability, Authorization (Computing), Microservices, Mobile Development, UI Components, Performance Tuning
Advanced · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Sustainable Design, Human Centered Design, Environmental Regulations, Sustainability Standards, Design Thinking, Sustainable Business, Product Development, Product Design, Corporate Sustainability, Product Lifecycle Management, Regulatory Requirements, Design Strategies, Design Research
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Virtual Local Area Network (VLAN), Open Shortest Path First (OSPF), Network Routing, Network Switches, Routing Protocols, TCP/IP, Network Architecture, Local Area Networks, OSI Models, Network Infrastructure, Network Troubleshooting, Network Protocols
Intermediate · Course · 1 - 3 Months

American Psychological Association
Skills you'll gain: Sample Size Determination, Statistical Hypothesis Testing, Statistical Methods, Quantitative Research, Statistical Analysis, Probability & Statistics, Statistical Inference, Statistics, Data Analysis, Regression Analysis, Research Design, Research, Psychology
Beginner · Course · 1 - 3 Months

Skills you'll gain: Augmented and Virtual Reality (AR/VR), Virtual Reality, Virtual Environment, Unity Engine, Video Game Development, 3D Assets, User Interface (UI), Development Environment
Intermediate · Guided Project · Less Than 2 Hours

KodeKloud
Skills you'll gain: Prompt Engineering, OpenAI, Responsible AI, ChatGPT, Data Ethics, Artificial Intelligence, Generative AI, LLM Application, Image Analysis, Large Language Modeling, Natural Language Processing, Computer Vision, Application Programming Interface (API), Reinforcement Learning
Beginner · Course · 1 - 3 Months

Skills you'll gain: Seaborn, Matplotlib, NumPy, Data Visualization Software, Box Plots, Scatter Plots, Jupyter, Histogram, Heat Maps, Development Environment, Data Manipulation
Mixed · 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, Development Testing, Software Design, Computational Thinking, Integration Testing, Computer Programming, Object Oriented Programming (OOP), Data Manipulation, Data Structures, Software Engineering, Systems Integration, Software Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Java, Theoretical Computer Science, Programming Principles, Algorithms, Object-Relational Mapping
Intermediate · Course · 1 - 4 Weeks

American Psychological Association
Skills you'll gain: Statistical Hypothesis Testing, Sample Size Determination, Probability & Statistics, Probability Distribution, Statistical Methods, Quantitative Research, Statistical Inference, Sampling (Statistics), Statistical Analysis, Probability, Data Analysis
Beginner · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Presentations, Stakeholder Management, Data Visualization, Persuasive Communication, Stakeholder Communications, Data Storytelling, Stakeholder Engagement, Communication, Storytelling, Public Speaking, Strategic Communication, Technical Communication, Project Management
Beginner · Course · 1 - 3 Months

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