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.

Skills you'll gain: Application Security, Data Security, Information Systems Security, Internet Of Things, Threat Modeling, Cybersecurity, Cloud Security, Security Engineering, Cryptography, Secure Coding, Network Security, Cyber Attacks, Mobile Security, Vulnerability, Risk Management Framework, Threat Management, Encryption, Cloud Services, Web Applications, Cloud Platforms
★ 4.8 (12) · Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: React.js, Responsive Web Design, Front-End Web Development, Bootstrap (Front-End Framework), JavaScript Frameworks, Web Design and Development, UI Components, Programming Principles, Javascript, HTML and CSS, Web Applications, Event-Driven Programming, Web Development, User Interface (UI), Maintainability
★ 4.5 (11) · Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Health Disparities, Health Equity, Community Health, Social Determinants Of Health, Patient Advocacy, Health Systems, Social Justice, Preventative Care, Health Care, Advocacy, Health Policy, Cultural Responsiveness, Public Health and Disease Prevention, Oncology, Discussion Facilitation
★ 4.6 (9) · Beginner · Course · 1 - 4 Weeks

American Council on Exercise
Skills you'll gain: Goal Setting, Health And Wellness Coaching, Smart Goals, Workplace inclusivity, Motivational Interviewing, Active Listening, Verbal Communication Skills, Ethical Standards And Conduct, Coaching, Exercise Science, Diversity Awareness, Health Assessment, Behavior Management, Interpersonal Communications, Healthcare Ethics, Professionalism, Relationship Building
★ 4.3 (9) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Network Architecture, Network Planning And Design, Virtual Networking, Network Infrastructure, Google Cloud Platform, General Networking, Network Routing, Computer Networking, Cloud Infrastructure, Network Security, Network Troubleshooting, Security Requirements Analysis, Network Model, Network Analysis, Firewall, Load Balancing, Hybrid Cloud Computing, Scalability
★ 4.8 (9) · Intermediate · Course · 1 - 4 Weeks

Samsung
Skills you'll gain: Hardware Troubleshooting, Electrical Safety, Technical Support, Test Equipment, Safety and Security
★ 4.3 (10) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Node.JS, Responsive Web Design, JSON, jQuery, Restful API, HTML and CSS, Bootstrap (Front-End Framework), API Design, GitHub, Web Design and Development, Git (Version Control System), Postman API Platform, Web Design, Javascript and jQuery, Hypertext Markup Language (HTML), MongoDB, Back-End Web Development, Full-Stack Web Development, Cascading Style Sheets (CSS), Program Development
★ 4.9 (11) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Construction Engineering, Building Codes, Engineering, Scientific, and Technical Instruments, Structural Engineering, Structural Analysis, Engineering Analysis, Construction, Engineering Calculations, Simulation and Simulation Software, Finite Element Methods, Civil Engineering, Construction Management, Mathematical Software, Engineering Practices, Environmental Monitoring, Safety Standards, Civil and Architectural Engineering, Failure Analysis, Engineering Design Process, Laboratory Testing
★ 4.8 (9) · Advanced · Specialization · 3 - 6 Months

Skills you'll gain: Data Mapping, Microsoft Azure, Data Transformation, Data Pipelines, Extract, Transform, Load, Dataflow, Data Processing, Data Integration, Data Storage, Cloud Storage
★ 4.8 (8) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Marketing Effectiveness, Global Marketing, New Product Development, Market Opportunities, Marketing, Product Development, Brand Marketing, Product Marketing, Brand Management, Data-Driven Marketing, Market Analysis, Competitive Analysis, Strategic Marketing, Marketing Planning, Diversity Marketing, Marketing Communications, Branding, Media Strategy, Consumer Behaviour, Marketing Strategy and Techniques
★ 4.4 (12) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Seaborn, Matplotlib, NumPy, Plot (Graphics), Scatter Plots, Statistical Visualization, Data Visualization Software, Box Plots, Histogram, Jupyter, Heat Maps, Graphing, Data Manipulation, AI Workflows, Development Environment, Python Programming
★ 4.5 (19) · Mixed · Course · 1 - 4 Weeks

The University of Edinburgh
Skills you'll gain: Mitigation, Climate Change Adaptation, Climate Change Mitigation, Risk Mitigation, Risk Management, Environmental Issue, Environmental Policy, Environment, Environmental Science, Social Impact, Advocacy
★ 4.9 (10) · Beginner · Course · 1 - 3 Months