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.

Amazon Web Services
Skills you'll gain: Root Cause Analysis, Customer Relationship Building, Customer Relationship Management, Relationship Management, Problem Management, Verbal Communication Skills, Customer Support, Amazon Web Services, Technical Support and Services, Oral Expression, Customer and Client Support, Communication, Consultative Approaches, Technical Support, Cloud Security, Cloud Services, Automation, Collaboration, Incident Management, Generative AI
★ 4.9 (28) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Javascript, Ajax, JSON, Web Applications, Web Development, Object Oriented Programming (OOP), Event-Driven Programming, Responsive Web Design, Programming Principles, Prototyping, Network Protocols
★ 4.5 (55) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: 3D Modeling, 3D Assets, Computer Graphic Techniques, Visualization (Computer Graphics), Graphical Tools, Computer Graphics, Animation and Game Design, Model Optimization, User Interface (UI)
★ 4.2 (33) · Beginner · Course · 3 - 6 Months

University of California, Irvine
Skills you'll gain: Contract Negotiation, Media and Communications, Media Production, Contract Management, Live Streaming, Blogs, Stress First Aid, Content Creation, Social Media Content, Social Media, Compensation Management
★ 4.6 (88) · Beginner · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Petroleum Industry, Building Codes, Civil Engineering, Construction Management, Oil and Gas, Construction, Energy and Utilities, Mechanical Engineering, Facility Repair And Maintenance, Safety Standards, Manufacturing Standards, Design Specifications, Engineering Design Process, Materials science
★ 4.4 (41) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Software Architecture, Systems Development Life Cycle, Systems Architecture, Systems Thinking, Software Design Patterns, Stakeholder Communications, Business Analysis Tools, Systems Analysis, Data Flow Diagrams (DFDs), Project Design, Development Environment
★ 5 (21) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Model Evaluation, Feature Engineering, Bioinformatics, Model Training, Dimensionality Reduction, Predictive Modeling, Applied Machine Learning, Artificial Neural Networks, Machine Learning Methods, Predictive Analytics, Pandas (Python Package), Drug Development, Data Preprocessing, Unsupervised Learning, Data Manipulation, Medical Science and Research, Molecular, Cellular, and Microbiology, Scientific Visualization, Molecular Biology, Machine Learning
★ 2.4 (28) · Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Data Visualization, Data Visualization Software, Storyboarding, Statistical Visualization, Data Storytelling, Data Manipulation, Data Presentation, Statistical Reporting, Data Wrangling, Dashboard, Data Synthesis, Data Cleansing, R Programming, Tidyverse (R Package), Data Preprocessing, Data Transformation, Data Import/Export, Rmarkdown, Graphing
★ 5 (38) · Mixed · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Nutritional Assessment, Nutrition and Diet, Food and Beverage, Social Determinants Of Health, Sustainable Development, Health Assessment, Environment, Spreadsheet Software, Environmental Science, Environmental Issue, Risk Analysis
★ 4.5 (25) · Intermediate · Course · 1 - 4 Weeks

Columbia University
Skills you'll gain: Reinforcement Learning, Machine Learning Methods, Machine Learning Algorithms, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning, Algorithms, Decision Intelligence, Markov Model, Deep Learning, Applied Machine Learning, Statistical Methods, Sampling (Statistics)
★ 4.4 (24) · Intermediate · Course · 1 - 3 Months

28DIGITAL
Skills you'll gain: Technical Standard, Ethical Standards And Conduct, Interoperability, Emerging Technologies, Common Core Standards, Information Privacy, Digital Communications, Telecommunications, Artificial Intelligence
★ 4.5 (55) · Beginner · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Health Informatics, Machine Learning Methods, Deep Learning, Machine Learning, Machine Learning Algorithms, Health Care, Artificial Neural Networks, Applied Machine Learning, Supervised Learning, Model Evaluation, Artificial Intelligence and Machine Learning (AI/ML), Healthcare Project Management, Medical Science and Research, Unsupervised Learning, Program Development
★ 3.1 (30) · Advanced · Course · 1 - 4 Weeks