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.

Johns Hopkins University
Skills you'll gain: Data Wrangling, Exploratory Data Analysis, Tidyverse (R Package), Data Manipulation, Data Transformation, Data Cleansing, R Programming, Data Preprocessing, Statistical Programming, Text Mining
Mixed · Course · 1 - 3 Months

Erasmus University Rotterdam
Skills you'll gain: Aesthetics
Intermediate · Course · 1 - 3 Months

Skills you'll gain: User Interface (UI) Design, Data Persistence, Interactive Data Visualization, Database Management, Real Time Data, Computer Programming, Data Management, Software Installation, Data Structures, Data Modeling
Intermediate · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Keyword Research, Generative AI, Search Engine Optimization, Web Analytics and SEO, Search Engine Marketing, Prompt Engineering, Competitive Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Microsoft Copilot, Competitive Analysis, Marketing Design, Marketing Strategies, Marketing Planning, Marketing, Marketing Effectiveness, Marketing Analytics, Performance Reporting, Marketing Channel, Cross-Channel Marketing, Generative AI, Microsoft 365, Customer Analysis, Market Research, Artificial Intelligence, Customer experience improvement, Customer Retention
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), Software Documentation, Java Programming, Java, Computer Programming, Programming Principles, Computational Thinking, Computer Science
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Risk Management, Project Risk Management, Risk Analysis, Risk Mitigation, Communication Planning, Stakeholder Management, Project Management, Conflict Management, Stakeholder Engagement, Organizational Structure
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data Ethics, Security Awareness, Computer Security Awareness Training, Ethical Standards And Conduct, Cybersecurity, Information Technology, Responsible AI, Information Privacy, Social Impact, Media and Communications, Personally Identifiable Information, Artificial Intelligence, General Data Protection Regulation (GDPR)
Build toward a degree
Beginner · Course · 1 - 4 Weeks

KodeKloud
Skills you'll gain: Package and Software Management, Command-Line Interface, Linux Commands, Linux, Linux Administration, Unix Commands, File Systems, Linux Servers, Data Storage, Network Troubleshooting, Operating Systems, Unix Shell, Operating System Administration, Software Installation, File Management, Service Management, General Networking, Network Security, User Accounts
Beginner · Course · 1 - 3 Months

Rice University
Skills you'll gain: Mechanics, Physics, Vibrations, Advanced Mathematics, Differential Equations, Calculus, Trigonometry, Applied Mathematics, Problem Solving
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Pandas (Python Package), Data Manipulation, Data Analysis, NumPy, Python Programming
Beginner · Guided Project · Less Than 2 Hours

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