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.

SkillUp
Skills you'll gain: Group Policy, Dynamic Host Configuration Protocol (DHCP), Azure Active Directory, Active Directory, Windows Servers, Hyper-V, Remote Access Systems, iSCSI Configuration, Virtual Private Networks (VPN), Containerization, Microsoft Azure, Kubernetes, Microsoft Servers, Microsoft Windows, Docker (Software), Hybrid Cloud Computing, Virtualization, Virtual Machines, Server Administration, Network Administration
★ 4.6 (11) · Intermediate · Specialization · 1 - 3 Months

Scrimba
Skills you'll gain: Responsive Web Design, HTML and CSS, Cascading Style Sheets (CSS), Web Design, Front-End Web Development, Web Development, UI Components, Hypertext Markup Language (HTML), Typography, Design Strategies
★ 4.5 (16) · Intermediate · Course · 1 - 3 Months

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

Skills you'll gain: HTML and CSS, Hypertext Markup Language (HTML), Web Development, Web Language, Web Applications, Web Design and Development, Cascading Style Sheets (CSS), Web Design
★ 4.2 (14) · Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Legal Technology, Document Management, Generative AI, AI Workflows, Compliance Management, AI Integrations, Contract Management, Automation, Contract Review
★ 3.6 (14) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Application Security, Network Security, Information Systems Security, Cloud Security, Cybersecurity, System Monitoring, Internet Of Things, Network Monitoring, Cyber Attacks, Mobile Security, Cryptography, Information Privacy, Authorization (Computing), Wireless Networks, Authentications, Data Storage, Patch Management, Operating Systems, Cloud Services, Cloud Platforms
★ 4.5 (19) · Intermediate · Specialization · 1 - 3 Months

Dassault Systèmes
Skills you'll gain: SolidWorks (CAD), Computer-Aided Design, Drafting and Engineering Design, 3D Modeling, Engineering Design Process, Mechanical Design, Design Software, Mechanical Engineering
★ 4.2 (12) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cryptographic Protocols, Blockchain, Business Continuity Planning, Cryptography, Encryption, Business Continuity, Disaster Recovery, Data Management, Digital Assets, Security Management, Vulnerability Assessments, Security Architecture Review, Cybersecurity, Enterprise Security, Network Security, Threat Modeling, Asset Protection, Vulnerability Management, Data Security, Secure Coding
★ 5 (10) · Beginner · Specialization · 1 - 3 Months

Rutgers the State University of New Jersey
Skills you'll gain: Supplier Quality Management, Procurement, Strategic Sourcing, Supplier Risk Management, Purchasing, Supply Management, Supplier Management, Risk Management, Business Risk Management, Supply Chain, Quality Management, Supply Chain Management, Risk Analysis, Cost Reduction, Cost Benefit Analysis, Cost Management
★ 4.6 (13) · Intermediate · Course · 1 - 3 Months

University of California, Santa Cruz
Skills you'll gain: Business Communication, Entrepreneurship, Social Media Marketing, Search Engine Optimization, Social Media Campaigns, Communication Strategies, Keyword Research, Social Media, Social Media Content, Web Design and Development, Web Analytics and SEO, Marketing, Workflow Management, E-Commerce, Project Management, Business Strategy, Business Process, Branding, Brand Strategy, Invoicing
★ 4.1 (9) · Beginner · 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, User Interface (UI), Maintainability, Code Reusability
★ 4.5 (11) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unix Shell, Unix Commands, z/OS, Shell Script, Unix, File Systems, Job Control Language (JCL), Operating Systems, Command-Line Interface, OS Process Management, File Management, Mainframe Computing, Debugging, Identity and Access Management
★ 4.9 (13) · Intermediate · Course · 1 - 3 Months