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.

Packt
Skills you'll gain: Networking Hardware, General Networking, Network Infrastructure, Local Area Networks, OSI Models, Network Protocols, Network Troubleshooting, Dynamic Host Configuration Protocol (DHCP), Network Architecture, TCP/IP, Computer Networking, Network Model, Wireless Networks, Network Security, Network Switches, Virtual Local Area Network (VLAN)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Graph Theory, Algorithms, Java, Theoretical Computer Science, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Interaction Design, Computer Graphics
Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Collaborative Software, Design, Graphic and Visual Design, Graphic and Visual Design Software, Graphic Design, Data Sharing, User Accounts, Marketing
Beginner · Guided Project · Less Than 2 Hours
Duke University
Skills you'll gain: Financial Reporting, Accounting, Budgeting, Financial Statements, Financial Analysis, Financial Management, Financial Planning, Asset Management, Tax, Investment Management, Tax Compliance, Ethical Standards And Conduct, Fundraising
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: 3D Modeling, 3D Assets, Unreal Engine, Computer Graphics, Graphical Tools, Image Quality, Performance Tuning, Content Management, Data Import/Export
Beginner · Course · 1 - 3 Months

Skills you'll gain: User Interface (UI) Design, Adobe XD, Wireframing, Figma (Design Software), UI Components, Responsive Web Design, Usability Testing, AI Workflows, Design Software, Prototyping, Design Elements And Principles
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Threat Management, Microsoft Azure, Cloud Security, Key Management, Data Security, Security Information and Event Management (SIEM), Data Structures, Role-Based Access Control (RBAC), Continuous Monitoring, Query Languages
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Web Components, Cascading Style Sheets (CSS), HTML and CSS, Angular, Hypertext Markup Language (HTML), Responsive Web Design, Frontend Performance, Front-End Web Development, Bootstrap (Front-End Framework), Web Content Accessibility Guidelines, Web Design, Web Design and Development, React.js, UI Components, Web Analytics and SEO, JavaScript Frameworks, Web Development, Semantic Web, Browser Compatibility, User Interface and User Experience (UI/UX) Design
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Email Security, Incident Response, Computer Security Incident Management, Malware Protection, Cybersecurity, Network Security, Intrusion Detection and Prevention, Cyber Security Strategy, Threat Detection, Distributed Denial-Of-Service (DDoS) Attacks, Wireless Networks
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: MySQL, Data Migration, Database Administration, Stored Procedure, User Provisioning, Data Validation
Advanced · Project · Less Than 2 Hours

Beginner · Course · 1 - 4 Weeks