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 Colorado Boulder
Skills you'll gain: Semiconductors, High Voltage, Power Electronics, Electronic Components, Electrical Engineering, Electronics Engineering, Electronics, Electrical Power, Simulation and Simulation Software, Materials science, Engineering Analysis, Engineering Calculations
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

SkillsBooster Academy
Skills you'll gain: Digital Marketing, Target Audience, Data-Driven Marketing, Search Engine Optimization, Social Media Content, Social Media, Email Marketing, Marketing Strategy and Techniques, Marketing Strategies, Social Media Strategy, Digital Brand Strategy, Social Media Marketing, Marketing Analytics, Marketing, Digital Marketing Tools, Web Analytics and SEO, Business Marketing, Web Analytics, Business Development, Business
Beginner · Course · 1 - 3 Months

Skills you'll gain: Model Training, Fine-tuning, Model Evaluation, Model Optimization, Machine Learning Methods, Predictive Modeling, Tensorflow, Statistical Machine Learning, MLOps (Machine Learning Operations), Computer Vision, Applied Machine Learning, Performance Testing, Transfer Learning, Feature Engineering, Scikit Learn (Machine Learning Library), Verification And Validation, Network Architecture, Deep Learning, Benchmarking, PyTorch (Machine Learning Library)
Intermediate · Specialization · 1 - 3 Months

Edureka
Skills you'll gain: Vibe coding, Prompt Engineering, Prompt Patterns, Prompt Engineering Tools, Software Development Tools, AI Security, Generative AI Agents, Software Engineering Tools, Generative AI, Software Engineering, Software Development, Software Documentation, Secure Coding, Software Architecture, Software Design, Software Testing, Full-Stack Web Development, Web Design and Development, Web Development, Computer Science
Intermediate · Course · 1 - 3 Months

Rice University
Skills you'll gain: Ancient History, Anthropology, Culture, Social Studies, Case Studies, Social Sciences, World History, Human Development, Cultural Diversity, Research, Environment, Biology, Environmental Science
Beginner · Course · 1 - 3 Months

Skills you'll gain: Web Services, Restful API, Apache Maven, Build Tools, Spring Boot, Spring Framework, Gradle, Simple Object Access Protocol (SOAP), Application Programming Interface (API), Java, Java Programming, API Design, Object-Relational Mapping, Data Persistence, Extensible Markup Language (XML)
Intermediate · Course · 3 - 6 Months

University of California, Santa Cruz
Skills you'll gain: Go (Programming Language), Data Structures, Object Oriented Design, Object Oriented Programming (OOP), Computer Programming, Unit Testing, Programming Principles, Algorithms, C (Programming Language), Software Testing, Code Reusability, Graph Theory
Intermediate · Course · 1 - 3 Months

Dartmouth College
Skills you'll gain: Kinesiology, Human Musculoskeletal System, Scientific Methods, Science and Research, Anthropology, Biology, Anatomy, 3D Assets, Research, Mechanics, Physiology, Laboratory Research, Human Development, Exercise Science, Taxonomy, Child Development, Life Sciences, Scientific Visualization, Childbirth, Obstetrics And Gynecology
Beginner · Specialization · 1 - 3 Months

Alex Genadinik
Skills you'll gain: Customer Retention, Sales Strategy, Upselling, General Sales Practices, Customer Acquisition Management, Revenue Management, Selling Techniques, Customer Relationship Building, Telecommuting, Growth Strategies, Promotional Strategies, Entrepreneurship, Product Promotion, Customer Service, Search Engine Optimization, Subcontracting, Copywriting
Mixed · Course · 1 - 3 Months

Macquarie University
Skills you'll gain: Fraud detection, Threat Detection, Malware Protection, Cyber Security Assessment, AI Security, Network Security, Machine Learning, Machine Learning Algorithms, Security Management, Data Preprocessing, Unsupervised Learning, Feature Engineering, Deep Learning, Classification Algorithms, Analytical Skills
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Azure DevOps, Azure DevOps Pipelines, DevOps, Agile Methodology, Collaborative Software, Devops Tools, Microsoft Azure, Software Development, Application Performance Management
Beginner · Course · 1 - 4 Weeks

Pragmatic AI Labs
Skills you'll gain: Model Context Protocol, GitHub, Git (Version Control System), Open Source Technology, CI/CD, Continuous Integration, Version Control, Generative AI Agents, Agentic Workflows, AI Workflows, Agentic systems, Tool Calling, Code Review, Issue Tracking, Software Documentation
Mixed · Course · 1 - 4 Weeks