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.

LearnQuest
Skills you'll gain: Cybersecurity, Network Security, Internet Of Things, Infrastructure Security, Communication Systems, Wireless Networks, Network Protocols, Network Architecture, General Networking, Network Infrastructure, Data Security, Encryption, Distributed Computing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, C++ (Programming Language), Programming Principles, Algorithms, Theoretical Computer Science, Object Oriented Programming (OOP)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cucumber (Software), Gherkin (Scripting Language), Behavior-Driven Development, Apache Maven, Restful API, Test Automation, JSON, Scalability, Application Programming Interface (API), Test Case, Test Data, Authentications, Java, Software Testing, Data Mapping
Mixed · Course · 1 - 4 Weeks

Politecnico di Milano
Skills you'll gain: Health Policy, Economics, Policy, and Social Studies, Crisis Management, Policty Analysis, Research, and Development, Socioeconomics, Geographic Information Systems, Public Health, Data Science, Financial Modeling, Fundraising and Crowdsourcing, Finance, Network Analysis, Data Collection
Beginner · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), JUnit, HTML and CSS, Test Automation, Software Testing, Web Development, Continuous Integration, Java, Object Oriented Programming (OOP), Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Computational Thinking, Algorithms, Graph Theory, Data Structures, Computer Programming, C++ (Programming Language), Object Oriented Programming (OOP)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Usability Testing, Figma (Design Software), Responsive Web Design, User Experience Design, UI/UX Research, Prototyping, Software Design Documents, Design Specifications, User Interface (UI) Design, UI Components, Animations
Intermediate · Course · 1 - 4 Weeks

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

Skills you'll gain: Hardware Design, Schematic Diagrams, Electronics, Software Installation, Electronics Engineering, Electronic Systems, Electronic Components, Design Software, Technical Design, Computer-Aided Design, Manufacturing and Production, System Configuration, File Management
Beginner · Course · 3 - 6 Months

Skills you'll gain: NumPy, Pandas (Python Package), Data Manipulation, Scatter Plots, Jupyter, Data Visualization Software, Machine Learning, Data Science, Data Import/Export, Classification And Regression Tree (CART), Linear Algebra, Probability Distribution, Regression Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: Business Writing, Creative Design, Prompt Engineering Tools, Image Quality
Mixed · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Stakeholder Engagement, Program Management, Stakeholder Management, Change Management, Strategic Leadership, Product Roadmaps, Leadership, Leadership and Management, Organizational Change, Organizational Strategy, Project Management Office (PMO), Project Management, Innovation, Digital Transformation, Decision Making
Beginner · Course · 1 - 3 Months