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.

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

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

LearnKartS
Skills you'll gain: Penetration Testing, Cybersecurity, Cyber Attacks, Cyber Security Assessment, Security Testing, Network Security, Application Security, Network Monitoring, Computer Security Awareness Training, Cyber Risk, Security Awareness, Cloud Security, ChatGPT, Artificial Intelligence
Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Bioinformatics, Computational Thinking, Memory Management, Graph Theory, Python Programming
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Mechanical Engineering, Engineering, Physics, Probability Distribution, Physical Science, Chemical Engineering, Chemistry, Applied Mathematics
Advanced · Course · 1 - 4 Weeks
University of Rochester
Skills you'll gain: Supply And Demand, Market Dynamics, Economics, Consumer Behaviour, Economics, Policy, and Social Studies, Resource Allocation, Market Analysis, Policy Analysis, Public Policies, Decision Making, Investment Management
Beginner · Course · 1 - 4 Weeks

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

Skills you'll gain: Authentications, Azure Active Directory, Zero Trust Network Access, Role-Based Access Control (RBAC), Identity and Access Management, Active Directory, Single Sign-On (SSO), Authorization (Computing), User Provisioning, Microsoft Azure, Multi-Factor Authentication, Security Controls, Cyber Security Policies, IT Security Architecture, Enterprise Security
Beginner · 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

Duke University
Skills you'll gain: Blockchain, Payment Systems, Cyber Risk, FinTech, Operational Risk, Scalability, Regulatory Compliance, Risk Management, Financial Regulation, Legal Risk, Financial Regulations, Risk Analysis, Application Security, Vulnerability Assessments, Exploitation techniques, Financial Industry Regulatory Authorities, Regulatory Requirements, Asset Protection, Governance, Key Management
Intermediate · 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

Board Infinity
Skills you'll gain: Angular, HTML and CSS, JavaScript Frameworks, Hypertext Markup Language (HTML), Application Frameworks, Front-End Web Development, Javascript, Software Design Patterns, Java, Web Components, Code Reusability, Web Applications, Full-Stack Web Development, Cascading Style Sheets (CSS), Programming Principles, Web Design, Maintainability, Web Development, UI Components
Intermediate · Course · 1 - 4 Weeks