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.
Georgia Institute of Technology
Skills you'll gain: Software-Defined Networking, Virtual Networking, Virtualization, Virtual Machines, Cloud Infrastructure, Network Architecture, Network Infrastructure, Computer Networking, Cloud Computing, Cloud Deployment, Network Performance Management, Firewall, Performance Tuning, Hardware Architecture, Network Routing, Scalability
★ 4.8 (35) · Mixed · Course · 1 - 3 Months

Duke University
Skills you'll gain: Telehealth, Clinical Assessment, Health Technology, Vital Signs, Health Assessment, Patient Preparation, Patient Evaluation, Medical Equipment and Technology, Patient Education and Support, Patient Communication, Patient Safety, Problem Management
★ 4.9 (39) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Systems Thinking, Sustainable Systems, Environmental Laws, Sustainable Development, Land Management, Climate Change Adaptation, Community Development, Climate Change Programs, Land Development, Social Impact, Sustainable Design, Social Justice, Environmental Regulations, Stormwater Management, Environmental Policy, Environmental Issue, Water Sustainability, Policy Analysis, Sustainable Technologies, Climate Change Mitigation
★ 5 (20) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Medical Privacy, Mental Health Diseases and Disorders, Psychiatry, Healthcare Ethics, Mental and Behavioral Health, Mental Health, Ethical Standards And Conduct, Health Information Management, Mental Health Counseling, Psychotherapy, Mental Health Therapies, Behavioral Health, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Cultural Diversity, Psychology
★ 4.7 (25) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Network Security, Open Shortest Path First (OSPF), Network Performance Management, Network Monitoring, Network Planning And Design, Network Engineering, Network Protocols, Infrastructure as Code (IaC), Terraform, Configuration Management, Encryption, System Configuration, Authentications, Scalability
★ 4.7 (25) · Beginner · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: Responsive Web Design, User Interface (UI) Design, HTML and CSS, User Interface (UI), Web Design, Figma (Design Software), Typography, Front-End Web Development, Web Design and Development, Graphic and Visual Design, Design Elements And Principles, Maintainability, Mockups, Web Content Accessibility Guidelines, UI Components, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Web Development, Web Development Tools, Software Engineering
★ 4.5 (21) · 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

Skills you'll gain: Responsive Web Design, HTML and CSS, Bootstrap (Front-End Framework), Web Design, Cascading Style Sheets (CSS), Web Design and Development, Front-End Web Development, Hypertext Markup Language (HTML), Web Development Tools, UI Components, Application Frameworks, Web Frameworks, Web Development
★ 4.1 (27) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Embedded Systems, Embedded Software, Automation Engineering, Robotics, Control Systems, Machine Controls, Electronic Systems, Industrial Engineering, Internet Of Things, Automation, Vibrations, Electronic Hardware, C (Programming Language), Power Electronics, Peripheral Devices, Electronics, Wireless Networks, Medical Equipment and Technology, Medical Devices, Electric Power Systems
★ 4.4 (18) · Intermediate · Specialization · 3 - 6 Months

University of Washington
Skills you'll gain: Responsive Web Design, Web Design, GitHub, HTML and CSS, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Version Control, User Experience Design, Usability, User Experience, Javascript, Web Content Accessibility Guidelines, Browser Compatibility, User Story, Web Design and Development, Front-End Web Development, GitHub Copilot, Mobile Development, Semantic Web, Git (Version Control System)
★ 4.7 (34) · Beginner · Specialization · 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

LearnKartS
Skills you'll gain: GitHub, Software Development Tools, Remote Access Systems, Configuration Management, DevOps, Open Source Technology, Workflow Management, Linux, Code Review, Conflict Management
★ 4 (22) · Beginner · Course · 1 - 3 Months