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: Computational Thinking, Theoretical Computer Science, Mathematical Modeling, Systems Analysis, Performance Testing, Embedded Systems, Graph Theory, Technical Documentation, Model Evaluation, Algorithms
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: SQL, PostgreSQL, Query Languages
Advanced · Guided Project · Less Than 2 Hours

The Hong Kong University of Science and Technology
Skills you'll gain: Matlab, Engineering Analysis, Finite Element Methods, Mathematical Software, Mechanical Engineering, Numerical Analysis, Mathematical Modeling, Applied Mathematics, Advanced Mathematics, Simulation and Simulation Software, Differential Equations, Calculus
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: File I/O, Data Import/Export, Java Programming, Java, Computer Programming, Data Structures, Object Oriented Programming (OOP), Integrated Development Environments, Computer Science
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Information Systems Security, Risk Management, Continuous Monitoring, Information Assurance, Cyber Governance, Governance, Cybersecurity, Security Controls, Business Risk Management, ISO/IEC 27001, Threat Modeling, Risk Analysis, Threat Management, Vulnerability Assessments, Regulatory Compliance, System Monitoring, Information Systems, Asset Management, Intellectual Property
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Snowflake Schema, Dashboard, Data Warehousing, Database Management, Data Storage, SQL, Business Intelligence, Data Management, Data Visualization Software, Data Analysis, Cloud Computing, Cloud Platforms, Benchmarking, Market Share
Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Control Systems, Numerical Analysis, Simulations, Engineering Analysis, Engineering Calculations, Verification And Validation, Mathematical Modeling
Advanced · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: SQL, Generative AI, Data Visualization, Database Design, Interactive Data Visualization, Query Languages, Data Capture, Data Analysis, Debugging, ChatGPT, Prompt Engineering, Databases, Data Validation
Beginner · Course · 1 - 4 Weeks

Politecnico di Milano
Skills you'll gain: Grant Writing, Public Speaking, Verbal Communication Skills, Critical Thinking, Communication, Writing, Persuasive Communication, Concision
Beginner · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Apple iOS, Model View Controller, Core Data (Software), User Interface (UI) Design, UI Components, Responsive Web Design, Mobile Development, Human Computer Interaction, UI/UX Strategy, Data Mapping, Animations, Storyboarding
Mixed · Course · 1 - 4 Weeks

Universitat Autònoma de Barcelona
Skills you'll gain: Social Justice, Social Work, Pedagogy, Community and Social Work, Child Development, Community Development, Childhood Education and Development, Creativity, Education and Training, Cultural Diversity, Working With Children, Family Support, Rapport Building, Case Studies, Discussion Facilitation
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Salesforce, Cloud Applications, Email Automation, Data Management
Beginner · Course · 1 - 4 Weeks