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.

Rice University
Skills you'll gain: Mechanics, Physics, Vibrations, Mathematical Modeling, Differential Equations, Calculus, Trigonometry, Applied Mathematics, Problem Solving
★ 4.8 (19) · Intermediate · Course · 1 - 4 Weeks

Akamai Technologies, Inc.
Skills you'll gain: HTML and CSS, Responsive Web Design, Hypertext Markup Language (HTML), Web Design and Development, Cascading Style Sheets (CSS), Web Development, Web Applications, Web Design, Front-End Web Development, Animations, Web Content, Embeddings, Color Theory
★ 4.7 (28) · Beginner · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Organizational Change, Innovation, Change Management, New Product Development, Organizational Leadership, Organizational Development, Organizational Strategy, Cross-Functional Team Leadership, Team Management, Team Leadership, Organizational Effectiveness, Product Lifecycle Management, Organizational Structure, Cross-Functional Collaboration, Product Development
★ 4.7 (38) · Beginner · Course · 1 - 4 Weeks

Erasmus University Rotterdam
Skills you'll gain: Aesthetics, Liberal Arts
★ 4.5 (18) · Intermediate · Course · 1 - 3 Months
Skills you'll gain: Quantitative Research, Data-Driven Decision-Making, Descriptive Statistics, Data Analysis, Statistical Reporting, Statistics, Research Design, Statistical Analysis, Microsoft Excel, Descriptive Analytics, Research Methodologies, Statistical Methods, R (Software), Research, R Programming, Data Collection, Research Reports, Correlation Analysis, Data Ethics
★ 4.4 (18) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Power Electronics, Basic Electrical Systems, Electronic Systems, Electronic Components, Electrical Power, Electrical Engineering, Electrical Systems, Semiconductors, Electric Power Systems, Electronics, Energy and Utilities, Control Systems, Machine Controls
★ 4.2 (32) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Networking Hardware, Network Monitoring, OSI Models, Routing Protocols, Software-Defined Networking, Network Troubleshooting, Network Architecture, Network Protocols, Distributed Denial-Of-Service (DDoS) Attacks, General Networking, Network Security, TCP/IP, Network Routing, Computer Networking, Open Shortest Path First (OSPF), Cloud Technologies, Network Infrastructure, Hardening, Network Performance Management, Authentications
★ 4.5 (19) · Intermediate · Specialization · 3 - 6 Months

Rutgers the State University of New Jersey
Skills you'll gain: Hedge Accounting, Risk Management, Derivatives, Risk Mitigation, Futures Exchange, Business Risk Management, Financial Trading, International Finance, Contract Management, Finance
★ 4.5 (26) · Intermediate · Course · 1 - 3 Months

The State University of New York
Skills you'll gain: Professional Development, Professionalism, Business Ethics, Intercultural Competence, Strong Work Ethic, Telecommuting, Cultural Diversity, Personal Development, Overcoming Obstacles, Learning Management Systems, Cultural Sensitivity, Education Software and Technology, Collaboration, Goal Setting, Teamwork, Problem Solving, Adaptability, Higher Education, digital literacy, Communication
★ 4.2 (16) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Blockchain, Transportation, Supply Chain, and Logistics, Supply Chain, Supply Chain Management, Supply Chain Systems, FinTech, Logistics, Business Transformation, Shipping and Receiving, Emerging Technologies, Logistics Management, Internet Of Things, Digital Assets, Digital Transformation, Interoperability, Supplier Management, Production Process, Asset Management, Manufacturing Operations, Fraud detection
★ 4.7 (30) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Brand Marketing, Branding, Brand Strategy, Brand Awareness, Creative Design, Visual Storytelling, Target Audience, Brand Management, User Feedback, Customer Insights, Storytelling, Growth Strategies, Marketing, Driving engagement, Market Research, Target Market, Promotional Strategies, Social Media, Customer Analysis, Digital Marketing
★ 4.6 (18) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), Data Structures, Python Programming, Data Manipulation, Programming Principles, Quantum computing, Computer Programming, Software Installation, Computational Logic, Development Environment, Package and Software Management, Jupyter, System Configuration
★ 4.4 (19) · Beginner · Course · 1 - 4 Weeks