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.

Board Infinity
Skills you'll gain: Frontend Integration, Data Access
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Web Services, Restful API, Apache Maven, Build Tools, Spring Boot, Spring Framework, Gradle, Simple Object Access Protocol (SOAP), Application Programming Interface (API), Java, Java Programming, API Design, Object-Relational Mapping, Data Persistence, JSON, Extensible Markup Language (XML)
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Azure DevOps, Azure DevOps Pipelines, DevOps, Agile Methodology, Collaborative Software, Devops Tools, Microsoft Azure, Software Development, Application Performance Management
Beginner · Course · 1 - 4 Weeks

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Engineering, Thermal Management, Materials science, Physics, Engineering Calculations, Three-Phase, Physical Science, Applied Mathematics
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Routing Protocols, Wide Area Networks, Network Security, Network Routing, Data Centers, Virtual Networking, TCP/IP, Network Administration, Open Shortest Path First (OSPF), Network Protocols, Network Switches, Virtual Machines, Virtual Local Area Network (VLAN), Virtualization, Virtual Private Networks (VPN), Wireless Networks, Network Monitoring, Network Troubleshooting, Network Architecture, Hardware Troubleshooting
★ 4.5 (6) · Beginner · Specialization · 3 - 6 Months

University at Buffalo
Skills you'll gain: Manufacturing and Production, Production Process, Manufacturing Processes, Manufacturing Operations, Quality Control, Energy and Utilities, Operations, Workforce Development, Training Programs, Supply Chain, Environmental Issue, Electric Power Systems, Workforce Planning, Sustainable Technologies, Supply Chain Management
★ 5 (6) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Microsoft SQL Servers, Data Security, Microsoft Azure, Cloud Security, Databases, Database Management, Data Management, Data Access, Security Controls, Authorization (Computing), Role-Based Access Control (RBAC)
Intermediate · Guided Project · Less Than 2 Hours

Indian Institute for Human Settlements
Skills you'll gain: Childhood Education and Development, Social Justice, Child Development, Community Development, Working With Children, Education and Training, Diversity Awareness, Community Outreach, Cultural Responsiveness, Socioeconomics, Higher Education, Pedagogy, Sustainable Development, Cultural Diversity, Social Impact, Teaching, Student-Centred Learning, Curriculum Development, Diversity Equity and Inclusion Initiatives, Critical Thinking
Intermediate · Course · 1 - 3 Months

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

Skills you'll gain: Microsoft Azure, Cloud Security, Database Management, Data Security, Relational Databases, Disaster Recovery, Data Storage Technologies, Cloud Management, Databases, System Monitoring, Data Storage, Data Management, Continuous Monitoring, Database Administration, Microsoft SQL Servers, Event Monitoring, IT Infrastructure, Role-Based Access Control (RBAC), Encryption, Application Performance Management
★ 5 (10) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), JUnit, HTML and CSS, Test Automation, Hypertext Markup Language (HTML), Software Testing, Web Design and Development, Test Script Development, Test Tools, Web Development, Unit Testing, Software Quality Assurance, Java, Data Structures, Java Programming, Cascading Style Sheets (CSS), Test Execution Engine, Code Reusability, Debugging, Software Design Patterns
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Medication Administration, Basic Patient Care, Direct Patient Care, Patient Communication, Smart Goals, Nursing and Patient Care, Clinical Nursing, Nursing, Nurse Education, Nursing Basics, Clinical Leadership, Basic Nursing Skills, Care Coordination, Nursing Administration, Goal Setting, Nursing Care, Caregiving, Patient Advocacy, Nursing Practices, Professional Development
Beginner · Specialization · 1 - 3 Months