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: Angular, HTML and CSS, JavaScript Frameworks, Hypertext Markup Language (HTML), Application Frameworks, Front-End Web Development, Javascript, Software Design Patterns, Java, Web Components, Code Reusability, Web Applications, Full-Stack Web Development, Cascading Style Sheets (CSS), Programming Principles, Web Design, Maintainability, Web Development, UI Components
Intermediate · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Bioinformatics, Computational Thinking, Memory Management, Graph Theory, Python Programming
Intermediate · Course · 1 - 3 Months

Imperial College London
Skills you'll gain: Logistic Regression, Descriptive Statistics, Exploratory Data Analysis, Regression Analysis, Model Evaluation, Statistical Methods, R Programming, Statistical Modeling, Predictive Modeling, Statistical Analysis, Biostatistics, Statistical Software, Predictive Analytics, Probability & Statistics, R (Software), Public Health, Data Preprocessing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Plotly, Dashboard, Plot (Graphics), Pandas (Python Package), Dashboard Creation, Data Manipulation, Interactive Data Visualization, Data Visualization Software, Data Visualization, Web Applications, Web Design and Development, Application Development, Data Presentation, Data Science, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Mechanical Engineering, Engineering, Physics, Probability Distribution, Physical Science, Chemical Engineering, Chemistry, Applied Mathematics
Advanced · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Data Integration, Health Informatics, Data Dictionary, Health Systems, Metadata Management, Health Care, Data Mapping, Healthcare Industry Knowledge, Value-Based Care, Health Information Management, Taxonomy, Care Coordination, Health Policy, Data Literacy, Clinical Data Management, Clinical Informatics, ICD Coding (ICD-9/ICD-10), Health Care Procedure and Regulation, Data Quality, Medical Terminology
Intermediate · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Virtual Reality, Video Game Development, Augmented and Virtual Reality (AR/VR), Game Design, Prototyping, Virtual Environment, Storyboarding, Usability Testing, Conceptual Design, Interaction Design, Computer Graphic Techniques, Data Ethics, Development Testing
Intermediate · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Financial Reporting, Inventory Accounting, Financial Statement Analysis, Depreciation, Cash Control, Financial Statements, Financial Accounting, Fixed Asset, Balance Sheet, Generally Accepted Accounting Principles (GAAP), Accounting, Cost Accounting, Inventory Control Systems, Accounts Receivable, Internal Controls, Capital Expenditure, Equities, Inventory Management System, Investments
Build toward a degree
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Transportation, Supply Chain, and Logistics, Transportation Operations, Purchasing, Logistics Management, Supply Chain Planning, Service Management, Manufacturing Operations, Demand Planning
Beginner · Course · 1 - 3 Months

Skills you'll gain: C and C++, Object Oriented Programming (OOP), C++ (Programming Language), Data Validation, Data Integrity, Computer Programming, Computer Science
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Finite Element Methods, Simulation and Simulation Software, Engineering Analysis, Simulations, Engineering, Verification And Validation
Beginner · Guided Project · Less Than 2 Hours

LearnKartS
Skills you'll gain: Penetration Testing, Cyber Security Assessment, Cybersecurity, Security Testing, Application Security, Cyber Attacks, Network Security, Security Awareness, Authentications, Cloud Security, Cyber Risk, Network Monitoring, Artificial Intelligence, ChatGPT
Beginner · Course · 1 - 3 Months