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: Multimodal Prompts, Prompt Engineering, Prompt Engineering Tools, Prompt Patterns, Responsible AI, AI literacy, Context Engineering
★ 4.8 (4.4K) · Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Data Storytelling, Data Ethics, Data Analysis, Data-Driven Decision-Making, Analytics, Workflow Management, Data Science, Advanced Analytics, Analytical Skills, Business Solutions, Technical Communication, Process Design, Project Management, Communication, Stakeholder Communications, Machine Learning
★ 4.7 (4K) · Advanced · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Drug Development, Clinical Trials, Pharmaceuticals, Clinical Research, Commercialization, Pre-Clinical Development, Pharmaceutical Sales, Pharmacology, Regulatory Affairs, Pharmaceutical Terminology, Managed Care, Intellectual Property, Sales Strategy, Product Planning, Biotechnology, Portfolio Management, Bioinformatics, Strategic Partnership, Medical Science and Research, Marketing
★ 4.6 (6.5K) · Beginner · Specialization · 3 - 6 Months

University at Buffalo
Skills you'll gain: Blockchain, Cryptography, Transaction Processing, Cryptographic Protocols, Network Protocols, Payment Systems, Distributed Computing, Virtual Environment, Data Integrity, Virtual Machines, Algorithms, Verification And Validation, User Accounts
★ 4.6 (7.8K) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Portfolio Risk, Investment Management, Risk Management, Financial Analysis, Financial Management, Risk Modeling, Risk Analysis, Portfolio Management, Financial Market, Investments, Statistics
★ 4.3 (2.2K) · Intermediate · Guided Project · Less Than 2 Hours
Michigan State University
Skills you'll gain: Photography, Peer Review, Photo/Video Production and Technology, Image Quality, Creativity
★ 4.8 (5.4K) · Mixed · Course · 1 - 4 Weeks
Skills you'll gain: Debugging, Python Programming, Cybersecurity, Programming Principles, File I/O, IT Automation, Data Import/Export, Algorithms, Automation, Program Development, Computer Programming, File Management, Maintainability
★ 4.8 (3.6K) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data Visualization, Dashboard Creation, Excel Formulas, Dashboard, Pivot Tables And Charts, Plot (Graphics), Microsoft Excel, Data Validation, Data Management, Data Cleansing, Data Entry, Data Sharing, Data Import/Export, Spreadsheet Software, Data Transformation, Microsoft Office, Data Analysis Software, Analysis, Data Integrity, Problem Solving
★ 4.7 (4.1K) · Beginner · Specialization · 3 - 6 Months

University of California, Davis
Skills you'll gain: Data Visualization, Interactive Data Visualization, Data Visualization Software, Data Presentation, Data Literacy, Dashboard Creation, Data Ethics, Data Storytelling, Visualization (Computer Graphics), Dashboard, Tableau Software, Data Manipulation, Data Import/Export, Data Analysis, Analytical Skills
★ 4.5 (6.8K) · Beginner · Course · 1 - 4 Weeks

The University of Sydney
Skills you'll gain: Calculus, Integral Calculus, Algebra, Geometry, Trigonometry, Derivatives, Graphing
★ 4.8 (4K) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Python Programming, Command-Line Interface, Programming Principles, Computer Programming, Scripting, Computer Programming Tools, Program Development, Development Environment
★ 4.6 (3.1K) · Beginner · Guided Project · Less Than 2 Hours

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Apache Spark, Apache Hadoop, Application Design, User Interface (UI), Distributed Computing, Programming Principles, Leaflet (Software), Big Data, Data Processing, Software Design, Data Structures, Software Design Patterns, Functional Design, Object Oriented Design, Data Manipulation, Object Oriented Programming (OOP), Interactive Data Visualization, Scientific Visualization, Algorithms
★ 4.7 (11K) · Intermediate · Specialization · 3 - 6 Months