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 Colorado Boulder
Skills you'll gain: User Research, User Experience Design, User Experience, User Interface and User Experience (UI/UX) Design, Usability, Verification And Validation, UI/UX Research, UI/UX Strategy, Persona (User Experience), Usability Testing, User Centered Design, User Interface (UI) Design, Embedded Systems, Unified Modeling Language
★ 4.1 (17) · Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Neurology, Telehealth, Patient Evaluation, Teamwork, Patient Communication, Collaboration, Patient Education And Counseling, Clinical Assessment, Health Technology, Vital Signs, Patient Preparation, Health Assessment, Patient-centered Care, Patient Treatment, Primary Care, Health Care, Health Systems, Telecommunications, Care Management, Communication
★ 4.9 (41) · Beginner · Specialization · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Sustainable Development, Sustainable Business, Environmental Policy, Environmental Issue, Environmental Regulations, Environment, Environment and Resource Management, Climate Change Programs, Climate Change Mitigation, Financial Policy, Cost Benefit Analysis, Energy and Utilities, Economics, Oil and Gas, Policy Analysis, Market Dynamics, Public Policies, Decision Making
★ 4.8 (28) · Beginner · Course · 1 - 3 Months

Peking University
Skills you'll gain: Patient Evaluation, Nursing Process, Perioperative Care, Nursing and Patient Care, Nurse Education, Nursing Care, Nursing, Oncology, Clinical Nursing, Medical Surgical Nursing, Patient Education And Counseling, Diagnostic Tests, Public Health and Disease Prevention, Preventative Care, Radiation Therapy, Surgery, Pathology, Patient Treatment, General Medical Tests and Procedures, Epidemiology
★ 4.7 (34) · Intermediate · Course · 1 - 3 Months

Dartmouth College
Skills you'll gain: Structural Analysis, Structural Engineering, Civil Engineering, Engineering Calculations, Engineering Analysis, Construction, Materials science, Mechanics, Engineering Design Process, Design
★ 4.8 (40) · Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: AWS Identity and Access Management (IAM), Identity and Access Management, Amazon Web Services, Cloud Infrastructure, Computing Platforms, Cloud Computing, Cloud Security, Cloud Platforms, Cloud Computing Architecture, Public Cloud, Amazon Elastic Compute Cloud, User Provisioning, Cloud Deployment, Infrastructure As A Service (IaaS), Authentications, Cloud Services, Cloud Technologies, Authorization (Computing), Role-Based Access Control (RBAC), User Accounts
★ 3.5 (30) · Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, HTML and CSS, Bootstrap (Front-End Framework), Web Design and Development, digital literacy, Web Content Accessibility Guidelines, Application Frameworks
★ 4.4 (27) · Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Responsive Web Design, Git (Version Control System), Web Development, Cascading Style Sheets (CSS), Data Persistence, React.js, Version Control, Performance Tuning, Full-Stack Web Development, GitHub, Event-Driven Programming, HTML and CSS, Application Design, Development Testing, Software Design Documents, Video Game Development, Game Design, Program Development, Software Testing, Javascript
★ 4.2 (19) · Beginner · Professional Certificate · 3 - 6 Months

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

Skills you'll gain: 3D Modeling, 3D Assets, Computer Graphic Techniques, Visualization (Computer Graphics), Graphical Tools, Computer Graphics, Animation and Game Design, Model Optimization, User Interface (UI)
★ 4.2 (33) · Beginner · Course · 3 - 6 Months

Skills you'll gain: Prompt Engineering, Business Workflow Analysis, Prompt Engineering Tools, Generative AI Agents, AI Workflows, Business Process Automation, Generative AI, AI Enablement, Process Optimization, No-Code Development, AI Integrations
★ 4.4 (19) · Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Executive Presence, Succession Planning, Team Performance Management, Team Management, Organizational Structure, Diversity and Inclusion, Delegation Skills, Diversity Equity and Inclusion Initiatives, People Development, Organizational Leadership, Engineering Management, Team Building, People Management, Diversity Awareness, Leadership and Management, Team Leadership, Telecommuting, Talent Management, Leadership, Leadership Development
★ 4.5 (22) · Beginner · Course · 1 - 3 Months