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.

University of London
Skills you'll gain: Virtual Reality, Video Game Development, Augmented and Virtual Reality (AR/VR), Game Design, Prototyping, Virtual Environment, Storyboarding, Usability Testing, Conceptual Design, Interaction Design, Computer Graphic Techniques, Data Ethics, Development Testing
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Public Key Infrastructure, Key Management, Cryptography, Cryptographic Protocols, Encryption, Authentications, Algorithms
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Penetration Testing, Cyber Security Assessment, Cybersecurity, Security Testing, Application Security, Cyber Attacks, Network Security, Security Awareness, Authentications, Cloud Security, Cyber Risk, Network Monitoring, Artificial Intelligence, ChatGPT
Beginner · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Data Integration, Health Informatics, Data Dictionary, Health Systems, Metadata Management, Health Care, Data Mapping, Healthcare Industry Knowledge, Value-Based Care, Health Information Management, Taxonomy, Care Coordination, Health Policy, Data Literacy, Clinical Data Management, Clinical Informatics, ICD Coding (ICD-9/ICD-10), Health Care Procedure and Regulation, Data Quality, Medical Terminology
Intermediate · Course · 1 - 4 Weeks

Universidad de los Andes
Skills you'll gain: Responsive Web Design, HTML and CSS, Hypertext Markup Language (HTML), Bootstrap (Front-End Framework), Cascading Style Sheets (CSS), Web Design and Development, UI Components, Web Development, Web Design, Front-End Web Development, Web Applications, Typography
Build toward a degree
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Transportation, Supply Chain, and Logistics, Transportation Operations, Purchasing, Logistics Management, Supply Chain Planning, Service Management, Manufacturing Operations, Demand Planning
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Sustainable Business, Corporate Sustainability, Sustainable Development, Organizational Change, Sustainable Systems, Performance Improvement, Change Management, Financial Analysis, Systems Thinking, Proposal Development, Cost Benefit Analysis, Business Economics, Capital Budgeting, Environmental Issue, Economics, Stakeholder Engagement, Benchmarking, Environmental Regulations, Cash Flows, Packaging and Labeling
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Seaborn, Data Storytelling, Data Visualization, Data Presentation, Data Integration, A/B Testing, Data Import/Export, Statistical Hypothesis Testing, Text Mining, Data-Driven Decision-Making, Git (Version Control System), Matplotlib, Pandas (Python Package), Version Control, GitHub, Social Media Analytics, Statistical Analysis, Exploratory Data Analysis, Jupyter, NumPy
Beginner · Specialization · 1 - 3 Months

Kennesaw State University
Skills you'll gain: LinkedIn, Interviewing Skills, Social Media, Social Media Strategy, Professional Networking, Job Evaluation, Strategic Communication, Communication, Negotiation, Job Analysis, Writing, Professionalism, Business Writing, Decision Making
Beginner · Course · 1 - 3 Months

Skills you'll gain: C and C++, Object Oriented Programming (OOP), C++ (Programming Language), Data Validation, Data Integrity, Computer Programming, Computer Science
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Open Web Application Security Project (OWASP), Penetration Testing, Metasploit, Security Testing, Security Strategy, Vulnerability Assessments, Cyber Security Assessment, Security Management, Vulnerability Scanning, Cyber Threat Intelligence, Information Systems Security, Exploitation techniques, Security Controls, Data Sharing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Finite Element Methods, Simulation and Simulation Software, Engineering Analysis, Simulations, Engineering, Verification And Validation
Beginner · Guided Project · Less Than 2 Hours