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.

Johns Hopkins University
Skills you'll gain: Anomaly Detection, Malware Protection, Threat Detection, Network Analysis, AI Security, Cybersecurity, Model Evaluation, Network Security, Machine Learning Methods, Classification Algorithms, Microsoft Windows
Intermediate · Course · 1 - 4 Weeks

Queen Mary University of London
Skills you'll gain: Tax, Tax Laws, Law, Regulation, and Compliance, Cloud Services, Tax Compliance, Cloud Computing, Regulation and Legal Compliance, Cloud Storage, Corporate Tax, Income Tax, General Data Protection Regulation (GDPR), Data Access, Data Sharing, Digital Forensics, Interoperability, Competitive Analysis, Market Analysis, Market Dynamics
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Sustainable Development, Sustainable Business, Environmental Policy, Environmental Issue, Environmental Regulations, Environment, Environment and Resource Management, Climate Change Programs, Climate Change Mitigation, Financial Policy, Cost Benefit Analysis, Energy and Utilities, Economics, Oil and Gas, Policy Analysis, Market Dynamics, Public Policies, Decision Making
Beginner · Course · 1 - 3 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
Intermediate · Course · 1 - 4 Weeks

Codio
Skills you'll gain: Algorithms, C++ (Programming Language), C and C++, Data Structures, Theoretical Computer Science, Computer Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Software Documentation, Java Programming, Java, Technical Documentation, Computer Programming, Programming Principles, Code Reusability, Computer Science
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Cascading Style Sheets (CSS), Web Design and Development, digital literacy, Web Content Accessibility Guidelines
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Robotics, Graph Theory, Algorithms, Python Programming
Build toward a degree
Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Pandas (Python Package), Data Cleansing, Data Manipulation, Data Preprocessing, Data Wrangling, NumPy, File I/O, Query Languages, Data Integration, Python Programming, Debugging
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Adobe Photoshop, Photo Editing, Editing, Data Import/Export, Image Quality, Embeddings, Graphic Design, File Management
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, Browser Compatibility, Hypertext Markup Language (HTML), HTML and CSS, Web Development Tools, Web Design, Web Development
Intermediate · Guided Project · Less Than 2 Hours

Amazon Web Services
Skills you'll gain: Command-Line Interface, Network Troubleshooting, Linux Commands, Linux, Linux Servers, Technical Support and Services, Linux Administration, Technical Support, Network Infrastructure, Amazon Web Services, File Management, Remote Access Systems, Network Protocols, Network Security, Operating Systems, Package and Software Management, System Configuration, DevOps, Communication
Beginner · Course · 1 - 4 Weeks