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.

Duke University
Skills you'll gain: Loans, Lending and Underwriting, Blockchain, General Lending, Derivatives, FinTech, Market Liquidity, Financial Trading, Token Optimization, Securities (Finance), Digital Assets, Liquidation, Portfolio Management
Intermediate · Course · 1 - 4 Weeks

University at Buffalo
Skills you'll gain: Process Mapping, Performance Improvement, Data Collection, Process Improvement, Process Improvement and Optimization, Business Process, Business Process Improvement, Process Design, Data Strategy, Process Analysis, Data-Driven Decision-Making, Performance Measurement, Process Flow Diagrams, Business Priorities, Data Validation, Business Process Modeling, Plan Execution, Data Capture, Operational Performance Management, Performance Analysis
Beginner · Course · 1 - 4 Weeks

University of London
Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), Computer Programming, Programming Principles, Interactive Design, Program Development, FinTech, Application Development, Command-Line Interface
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Aptly
Skills you'll gain: TikTok, Content Performance Analysis, Business Marketing, Data-Driven Marketing, Content Scheduling, Social Media Content, Social Media Marketing, Online Advertising, Brand Marketing, Social Media Strategy, Social Media, Marketing Strategies, Performance Measurement, Content Marketing, Content Creation, Video Editing, Video Production, Social Media Management, Advertising, Advertising Campaigns
Beginner · Specialization · 1 - 3 Months

Microsoft
Skills you'll gain: Microsoft Azure, Serverless Computing, Cloud Development, Microsoft Power Automate/Flow, Event-Driven Programming, Cloud-Based Integration, Business Process Automation, Application Programming Interface (API), Webhook Security, GitHub
Intermediate · Course · 1 - 3 Months

Erasmus University Rotterdam
Skills you'll gain: Econometrics, Data Collection, Regression Analysis, Statistical Methods, Survey Creation, Data Compilation, Quantitative Research, Data Wrangling, Statistical Hypothesis Testing, Descriptive Statistics, Statistical Modeling, Statistical Analysis, Correlation Analysis, Probability Distribution
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: SQL, Oracle Databases, Database Design, Database Development, Database Management, Relational Databases, Database Management Systems, Query Languages, Data Maintenance, Performance Tuning
Beginner · Course · 1 - 4 Weeks
Stanford University
Skills you'll gain: Bayesian Network, Applied Machine Learning, Machine Learning Algorithms, Bayesian Statistics, Machine Learning Methods, Markov Model, Statistical Machine Learning, Machine Learning, Network Model, Unsupervised Learning, Model Training, Probability Distribution, Model Optimization, Statistical Methods, Probability & Statistics, Algorithms
Advanced · Course · 1 - 3 Months

Scrimba
Skills you'll gain: HTML and CSS, Hypertext Markup Language (HTML), Mobile Development, Web Applications, Web Design and Development, Program Development, ChatGPT, GitHub, Front-End Web Development, Javascript, Application Deployment, Responsive Web Design, Video Game Development, Git (Version Control System), AI Integrations, Cascading Style Sheets (CSS), Database Development, Computer Programming, Database Application, Machine Learning
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: ASP.NET, Object Oriented Design, Application Development, Application Frameworks, Development Environment, Web Development, Integrated Development Environments, Microsoft Visual Studio, Microsoft Development Tools
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Entrepreneurship, Market Opportunities, Market Analysis, Innovation, Target Market, Design Thinking, Go To Market Strategy, Product Strategy, Customer Engagement, Entrepreneurial Finance, Business Modeling, Business Strategies
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Portfolio Management, Portfolio Risk, Finance, Financial Modeling, Return On Investment, Correlation Analysis, Investment Management, Financial Analysis, Asset Management, Mathematical Modeling, Investments, Risk Modeling, Equities, Model Optimization
Intermediate · Guided Project · Less Than 2 Hours