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 Michigan
Skills you'll gain: Sustainable Development, Sustainable Business, Environmental Policy, Environmental Regulations, Environmental Social And Corporate Governance (ESG), Climate Change Mitigation, Cost Benefit Analysis, Economics, Oil and Gas, Policy Analysis, Supply And Demand, Market Analysis, Public Policies, Decision Making
Beginner · Course · 1 - 3 Months

KodeKloud
Skills you'll gain: Package and Software Management, Command-Line Interface, Linux Commands, Linux, Linux Administration, Unix Commands, File Systems, Linux Servers, Data Storage, Network Troubleshooting, Operating Systems, Unix Shell, Operating System Administration, Software Installation, File Management, Service Management, General Networking, Network Security, User Accounts
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Software Quality Assurance, Software Development Life Cycle, Quality Assurance, Software Documentation, Functional Testing, Software Testing, Software Development Methodologies, Acceptance Testing, User Acceptance Testing (UAT), Test Case, Maintainability, Unit Testing, Software Design, System Testing, Integration Testing, Waterfall Methodology, Agile Methodology, Regression Testing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, User Interface (UI), UI Components, Figma (Design Software), UI/UX Strategy, User Interface and User Experience (UI/UX) Design, Prototyping, Usability Testing, Interactive Design, User Experience Design, Mobile Development, Style Guides, Web Development, Animations
Intermediate · Course · 1 - 3 Months

Fractal Analytics
Skills you'll gain: Generative AI, Generative Model Architectures, Object Oriented Programming (OOP), Large Language Modeling, Prompt Engineering, Artificial Neural Networks, Computer Programming, Debugging, Python Programming, Semantic Web, Critical Thinking
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Figma (Design Software), Responsive Web Design, UI Components, User Interface (UI), Layout Design, User Interface (UI) Design, Design Strategies, Web Design, Scalability, Prototyping
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Risk Management, Project Risk Management, Risk Analysis, Risk Mitigation, Communication Planning, Stakeholder Management, Project Management, Conflict Management, Stakeholder Engagement, Organizational Structure
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: User Accounts, Collaborative Software, Telecommuting, Computer Displays, Display Devices, Telecommunications
Beginner · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Anomaly Detection, Intrusion Detection and Prevention, Malware Protection, Cyber Threat Hunting, Threat Detection, Network Analysis, AI Security, Applied Machine Learning, Model Evaluation, Network Security, Unsupervised Learning, Performance Testing, Analysis, Classification Algorithms, Microsoft Windows
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Keyword Research, Generative AI, Search Engine Optimization, Web Analytics and SEO, Search Engine Marketing, Prompt Engineering, Competitive Analysis
Intermediate · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Mechanics, Physics, Vibrations, Advanced Mathematics, Differential Equations, Calculus, Trigonometry, Applied Mathematics, Problem Solving
Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Histogram, Data Visualization, Data Literacy, Data Presentation, Descriptive Statistics, Data Storytelling, Statistics, Data Analysis, Statistical Visualization, Sampling (Statistics), Data Validation
Beginner · Course · 1 - 4 Weeks