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.

Duke University
Skills you'll gain: Climate Change Adaptation, Climate Change Mitigation, Environmental Issue, International Relations, Environmental Policy, Environmental Science, Pollution Prevention, Sustainable Development, Social Impact, Mitigation, Mathematical Modeling, Simulations, Trend Analysis
★ 4.9 (26) · Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Program Development, Computational Thinking, Education Software and Technology, Collaborative Software, Digital pedagogy, Programming Principles, Debugging, Computer Programming, Computer Programming Tools, Algorithms, Computer Science, Brainstorming
★ 4.8 (26) · Beginner · Course · 1 - 3 Months

Universidad de Palermo
Skills you'll gain: Storytelling, Data Storytelling, Brand Strategy, Brand Marketing, Visual Storytelling, Branding, Corporate Communications, Strategic Communication, Content Creation, Marketing Communications, Driving engagement, Content Strategy, Business Strategy
★ 4.1 (27) · Intermediate · Course · 1 - 4 Weeks

University of Washington
Skills you'll gain: Work Breakdown Structure, Agile Project Management, Agile Methodology, Stakeholder Management, Project Management, Stakeholder Engagement, Sprint Planning, Milestones (Project Management), Project Documentation, Project Scoping, Stakeholder Communications, People Management, Project Planning, Timelines, Scheduling, Dependency Analysis, Team Management, Communication Planning
★ 4.7 (36) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Open Shortest Path First (OSPF), Virtual Local Area Network (VLAN), Wide Area Networks, Network Security, Routing Protocols, Threat Detection, Threat Management, Security Awareness, Network Administration, TCP/IP, Multiprotocol Label Switching, Network Routing, Virtual Private Networks (VPN), Network Troubleshooting, Dynamic Host Configuration Protocol (DHCP), Network Switches, Local Area Networks, Network Protocols
★ 4.6 (22) · Advanced · Course · 3 - 6 Months

Whizlabs
Skills you'll gain: Microsoft Azure, Role-Based Access Control (RBAC), Cloud Storage, Data Storage, Identity and Access Management, Data Storage Technologies, Cloud Management, Authorization (Computing), Data Management, Data Access, Data Security, Data Governance, Configuration Management
★ 4.2 (29) · Intermediate · Course · 1 - 4 Weeks

Howard University
Skills you'll gain: Linear Algebra, Data Visualization, Plot (Graphics), Scientific Visualization, NumPy, Mathematical Software, Algebra, Jupyter, Mathematical Modeling, Data Science, Software Development Tools, Python Programming, Software Installation, Data Manipulation, Git (Version Control System)
★ 4.4 (16) · Beginner · Course · 1 - 4 Weeks
University of Colorado Boulder
Skills you'll gain: Numerical Analysis, Applied Mathematics, Electrical Engineering, Mathematical Modeling, Linear Algebra, Differential Equations, Physics
★ 4.4 (14) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Business Workflow Analysis, Generative AI Agents, AI Workflows, Business Process Automation, Generative AI, Process Optimization, AI Integrations
★ 4.4 (19) · Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: JSON, Restful API, API Design, Web Applications, Application Programming Interface (API), Responsive Web Design, Cascading Style Sheets (CSS), Dashboard Creation, Event-Driven Programming, HTML and CSS, Javascript, Wireframing, Web Servers, Web Development, Real Time Data, Game Design, Hypertext Markup Language (HTML), Servers, Software Development
★ 4.9 (22) · Intermediate · Specialization · 1 - 4 Weeks
Corporate Finance Institute
Skills you'll gain: Wealth Management, Financial Planning, Financial Management, Finance, Relationship Building, Customer Relationship Building, Financial Services, General Finance, Client Services, Rapport Building, Plan Execution, Goal Setting
★ 4.8 (23) · Beginner · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Organizational Change, Innovation, Change Management, New Product Development, Organizational Leadership, Organizational Development, Organizational Strategy, Cross-Functional Team Leadership, Team Management, Team Leadership, Organizational Effectiveness, Product Lifecycle Management, Organizational Structure, Cross-Functional Collaboration, Product Development
★ 4.7 (38) · Beginner · Course · 1 - 4 Weeks