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: Tax Compliance, Tax Laws, Compliance Reporting, Compliance Management, Regulatory Compliance, Corporate Tax, Tax, Document Management, International Finance
Beginner · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Javascript and jQuery, Responsive Web Design, Cascading Style Sheets (CSS), Web Design and Development, HTML and CSS, GitHub, Web Applications, JavaScript Frameworks, Web Development Tools, Git (Version Control System), Infrastructure Architecture, Browser Compatibility, Animations
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: Microsoft Power Automate/Flow, Microsoft Power Platform, Email Automation, Document Management, Microsoft 365, Collaborative Software, Billing & Invoicing, Intranet, Automation
Beginner · Guided Project · Less Than 2 Hours

Duke University
Skills you'll gain: Climate Change Mitigation, Climate Change Adaptation, Environment, Sustainable Development, Physical Science, Environmental Science, Social Impact, Environmental Policy, Mathematical Modeling, Trend Analysis, Data Collection
Beginner · Course · 1 - 4 Weeks

Codio
Skills you'll gain: Algorithms, C++ (Programming Language), Data Structures, Computer Programming, Computational Thinking, Technical Design
Intermediate · Course · 1 - 4 Weeks

Fractal Analytics
Skills you'll gain: Generative AI, Generative Model Architectures, Object Oriented Programming (OOP), Large Language Modeling, Prompt Engineering, Artificial Neural Networks, Computer Programming, Debugging, Python Programming, Semantic Web, Critical Thinking
Intermediate · Course · 1 - 4 Weeks

Rutgers the State University of New Jersey
Skills you'll gain: Purchasing, Procurement, Strategic Sourcing, Target Audience, Supply Chain Management
Beginner · Course · 1 - 4 Weeks

Jordan University of Science and Technology
Skills you'll gain: Immunology, Diagnostic Tests, Public Health and Disease Prevention, Clinical Practices, Physiology, Infectious Diseases, Microbiology, Oncology, Cell Biology, Chronic Diseases, Biology, Molecular Biology
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: jQuery, Javascript, Web Applications
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Secure Coding, Distributed Denial-Of-Service (DDoS) Attacks, Application Security, Security Testing, Authorization (Computing), Authentications, Data Validation, Encryption, Security Controls, Data Security, Vulnerability Scanning, Role-Based Access Control (RBAC), Verification And Validation, Intrusion Detection and Prevention, Database Application, Security Awareness, Cybersecurity, Web Servers, Web Development Tools
Beginner · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Physical Science, Geographic Information Systems, Physics, Environmental Science, Spatial Analysis, Environment, General Science and Research, Remote Access Systems, Life Sciences, Laboratory Research, Biology, Research, Timelines, Systems Of Measurement
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Typography, Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Web Design, Web Development
Intermediate · Course · 1 - 4 Weeks