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.

The Hong Kong University of Science and Technology
Skills you'll gain: Physics, Mechanics, General Science and Research, Physical Science, Systems Of Measurement, Mathematical Modeling, Applied Mathematics, Scientific Visualization
★ 4.6 (174) · Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Unreal Engine, Object Oriented Programming (OOP), C and C++, C++ (Programming Language), Debugging, Computer Programming, Program Development, Video Game Development, 3D Assets, Software Documentation, Code Reusability, Application Development, Data Storage, Scripting
★ 4.5 (181) · Intermediate · Course · 1 - 4 Weeks

ESSEC Business School
Skills you'll gain: Case Studies, Digital Transformation, Advanced Analytics, Business Analytics, Analytics, Business Analysis, Predictive Analytics, Data Analysis, Analytical Skills, Health Informatics, Value Propositions, Consulting, Business Transformation, Data Strategy
★ 3.7 (210) · Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Feasibility Studies, Plant Operations and Management, Project Finance, Facility Operations, Financial Modeling, Energy and Utilities, Project Implementation, Financial Analysis, Cost Estimation, Project Management Life Cycle, Financial Forecasting, Maintenance, Repair, and Facility Services, Construction Management, Plan Execution, Project Management, Sustainable Technologies, Electric Power Systems, Forecasting, Environment and Resource Management, Stakeholder Analysis
★ 4.8 (195) · Beginner · Course · 1 - 3 Months

University of Toronto
Skills you'll gain: Mindfulness, Active Listening, Stress Management, Empowerment, Meditation & Breathwork, Biology, Physiology
★ 4.8 (453) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Engineering, Scientific, and Technical Instruments, Embedded Systems, Embedded Software, Real Time Data, Electronics, Electronics Engineering, Electronic Components, Vibrations, Intrusion Detection and Prevention, Design Specifications, Computer Displays
★ 4.7 (259) · Intermediate · Course · 1 - 3 Months

University of Minnesota
Skills you'll gain: AI Personalization, Machine Learning Algorithms, Predictive Modeling, Machine Learning Methods, Unsupervised Learning, Data Mining, Algorithms, Correlation Analysis
★ 4.3 (308) · Mixed · Course · 1 - 3 Months

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
★ 4.4 (118) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Simulation and Simulation Software, Simulations, Engineering Design Process, Finite Element Methods, Engineering Analysis, Cloud Engineering, Hydraulics, Verification And Validation
★ 4.6 (294) · Beginner · Guided Project · Less Than 2 Hours

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

Skills you'll gain: Authentications, Azure Active Directory, Zero Trust Network Access, Role-Based Access Control (RBAC), Identity and Access Management, Active Directory, Single Sign-On (SSO), Authorization (Computing), User Provisioning, Microsoft Azure, Multi-Factor Authentication, Security Controls, Cyber Security Policies, IT Security Architecture, User Accounts, Enterprise Security
★ 4.5 (193) · Beginner · Course · 1 - 4 Weeks

Adobe
Skills you'll gain: Adobe Acrobat, Document Management, Document Control, Workflow Management, Packaging and Labeling, Collaborative Software, Design Reviews, File Management, Client Services, Graphic Design, Digital Design, Version Control, Branding, Business Systems, Constructive Feedback
★ 4.7 (199) · Mixed · Course · 1 - 4 Weeks