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.

Coursera
Skills you'll gain: Memory Management, C and C++, Scalability, Performance Tuning, C++ (Programming Language), Microarchitecture, Computer Architecture, Cross Platform Development, Hardware Architecture, Computing Platforms, C (Programming Language), Program Development
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Data Storytelling, Data Presentation, Interactive Data Visualization, Dashboard, Datamaps, Data Visualization, Dashboard Creation, Microsoft Excel, Data Visualization Software, Pivot Tables And Charts, Geospatial Information and Technology, Spreadsheet Software, Geospatial Mapping, Data Analysis, Productivity Software, Microsoft Office, Microsoft 365
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: UI Components, Responsive Web Design, Code Reusability, Web Development Tools, Application Deployment, Database Management, Web Applications, Data Store, Web Components, Frontend Integration, Authentications, Application Development, JavaScript Frameworks, Email Automation, Restful API, Web Design, Front-End Web Development, TypeScript, Application Programming Interface (API), Payment Systems
Intermediate · Specialization · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Model Evaluation, Apache Hadoop, Machine Learning Methods, AI Personalization, Digital Marketing Tools, Data-Driven Marketing, Customer Analysis, Marketing Automation, Digital Marketing, Marketing Strategies, Applied Machine Learning, Big Data, Customer Insights, Machine Learning, Artificial Neural Networks, Machine Learning Algorithms, Deep Learning, Predictive Analytics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Search Engine Optimization, Web Analytics and SEO, Content Optimization, Auditing, Web Analytics, Content Performance Analysis, Extensible Markup Language (XML), Frontend Performance, Digital Marketing Tools, Prioritization
Beginner · Course · 1 - 3 Months

Skills you'll gain: Routing Protocols, Software-Defined Networking, Wide Area Networks, Virtual Networking, Network Troubleshooting, Open Shortest Path First (OSPF), Network Routing, Network Architecture, Network Monitoring, Network Planning And Design, Virtual Private Networks (VPN), Border Gateway Protocol, Network Performance Management, Network Security, Network Administration, Network Engineering, Firewall, Amazon Web Services, Cloud Services, Network Infrastructure
Beginner · Specialization · 1 - 3 Months

University of Michigan
Skills you'll gain: Animations, Visualization (Computer Graphics), Computer Graphic Techniques, Simulations, Computer Graphics, Python Programming, Game Design, Object Oriented Programming (OOP), Scripting, Algorithms, Development Environment, Data Structures
Advanced · Course · 1 - 3 Months

Skills you'll gain: HTML and CSS, Cascading Style Sheets (CSS), User Experience Design, UI Components, Front-End Web Development, User Interface (UI) Design, User Interface (UI), Web Design, React.js, Responsive Web Design, User Centered Design, User Experience, Design Elements And Principles, Javascript
Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: R (Software), Data Processing, R Programming, Data Manipulation, Data Structures, Statistical Programming, Data Analysis, Computational Logic, Data Analysis Software, Data Preprocessing, Software Installation, Data Science, Development Environment, Computer Programming, Program Development, Computer Programming Tools, Software Development
Mixed · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Search Engine Optimization, Performance marketing, Social Media Campaigns, Social Media Marketing, Pay Per Click Advertising, Web Analytics and SEO, Social Media, Content Marketing, Social Media Content, Marketing Automation, Online Advertising, Social Media Strategy, Product Promotion, Paid media, Lead Generation, Marketing Strategies, Market Opportunities, Promotional Strategies, Product Knowledge, Specialized Sales
Mixed · Course · 1 - 3 Months

Skills you'll gain: Programming Principles, Computational Thinking, Program Development, Development Environment, C++ (Programming Language), C and C++, Computer Programming, Computational Logic, Computer Programming Tools, Integrated Development Environments, Maintainability
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Social Determinants Of Health, Health Promotion, Mitigation, Blood Pressure, Nutrition Education, Public Health and Disease Prevention, Public Health, Epidemiology, Nutrition and Diet, Policy Development, Health Policy, Public Policies, Policy Analysis, Program Evaluation, Physiology, Law, Regulation, and Compliance, Cardiology, Case Studies
Beginner · Course · 1 - 3 Months