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 Colorado Boulder
Skills you'll gain: Control Systems, Torque (Physics), Mathematical Modeling, Numerical Analysis, Linear Algebra, Differential Equations, Engineering Analysis, Applied Mathematics, Mechanics
★ 4.7 (71) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Predictive Modeling, Applied Machine Learning, Model Evaluation, Jupyter, Predictive Analytics, Model Training, Lending and Underwriting, Python Programming, Data Science, Machine Learning Methods, Model Optimization, Data Preprocessing, Machine Learning, Data Analysis
★ 4.7 (114) · Intermediate · Guided Project · Less Than 2 Hours

University of California San Diego
Skills you'll gain: Version Control, Integrated Development Environments, GitHub, Git (Version Control System), Internet Of Things, Development Environment, Embedded Software, Software Development Tools, Software Versioning, Embedded Systems, Program Development, Prototyping, Linux, Linux Commands, Operating System Administration, Operating Systems, Ubuntu, Peripheral Devices, Android (Operating System), Open Source Technology
★ 3.9 (40) · Mixed · Course · 1 - 3 Months

Yale University
Skills you'll gain: Environmental Science, Social Justice, Cultural Responsiveness, Social Studies, Natural Resource Management, Environment, Environment and Resource Management, Cultural Diversity, Culture, Sustainable Development, Environmental Resource Management, Environmental Laws, Economics, Policy, and Social Studies, World History, Land Management, Climate Change Adaptation, Advocacy
★ 4.7 (55) · Beginner · Course · 1 - 3 Months

Universitat Autònoma de Barcelona
Skills you'll gain: Video Game Development, Computer Graphics, Animation and Game Design, 3D Assets, Microsoft Visual Studio, Computer Graphic Techniques, Artificial Intelligence, User Interface (UI), Animations, Microsoft Development Tools, Middleware
★ 3.9 (105) · Mixed · Course · 1 - 4 Weeks

Erasmus University Rotterdam
Skills you'll gain: Stakeholder Analysis, Stakeholder Management, Stakeholder Engagement, Performance Measurement, Market Opportunities, Business Modeling, Stakeholder Communications, Sustainable Development, Environmental Issue, New Business Development, Key Performance Indicators (KPIs), Business Analysis, Sustainable Business, Sustainable Systems, Land Management, Environmental Resource Management, Systems Analysis, Financial Analysis, Systems Thinking, Strategic Planning
★ 4.7 (51) · Beginner · Course · 1 - 3 Months

Politecnico di Milano
Skills you'll gain: Energy and Utilities, Facility Management and Maintenance, Property Management Systems, Building Services Engineering, Facility Management, Plant Operations and Management, Thermal Management, Building Codes, Sustainable Architecture, HVAC, Engineering Analysis
★ 4.5 (191) · Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: TypeScript, Web Development Tools, React.js, Server Side, Javascript, Data Structures, Web Development, Programming Principles, Middleware, Scalability, Web Design, Computer Programming, Maintainability, UI Components
★ 4.6 (60) · Intermediate · Course · 1 - 4 Weeks

Curtis Institute of Music
Skills you'll gain: Classical Music, Instrumental Music, Music Theory, Music, Musical Composition, Music Performance, Music History
★ 4.9 (118) · Beginner · Course · 1 - 3 Months

Knowledge Accelerators
Skills you'll gain: General Data Protection Regulation (GDPR), Information Privacy, Personally Identifiable Information, Regulatory Compliance, Law, Regulation, and Compliance, Compliance Training, Compliance Management, Legal Risk, Regulation and Legal Compliance, Data Ethics, Data Governance, Data Security, Data Management, Data Integrity, Data Processing, Accountability
★ 4.8 (78) · Beginner · Course · Less Than 2 Hours

LearnKartS
Skills you'll gain: Salesforce, User Provisioning, Customer Relationship Management (CRM) Software, Cloud Applications, Email Automation, Account Management, Identity and Access Management, Role-Based Access Control (RBAC), Data Management
★ 3.8 (48) · Beginner · Course · 1 - 4 Weeks

The University of Edinburgh
Skills you'll gain: Anesthesiology, Post-Anesthesia Care Unit, Pre-Anesthetic Assessment, Pain Management, Patient Preparation, Patient Education and Support, Stress Management, Preventative Care, Perioperative Care, Operating Room (OR), Clinical Practices, Behavioral Management, Patient Observation, Behavior Management, Positive Behavior Support, Long Term Care, Pharmacology
★ 5 (47) · Intermediate · Course · 1 - 4 Weeks