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: Keras (Neural Network Library), Tensorflow, Model Training, Applied Machine Learning, Convolutional Neural Networks, Deep Learning, Model Optimization, Machine Learning, Computer Vision
★ 4.7 (78) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Succession Planning, Human Resources Management and Planning, Human Resources, Employee Engagement, Recruitment Strategies, Recruitment, Human Resource Management, Talent Recruitment, Human Resource Strategy, Human Capital, Performance Management, Human Resources Information System (HRIS), Talent Management, HR Tech, Drive Engagement, Full Cycle Recruitment, Human Resources Software, Performance Appraisal, Human Resource Policies, Workforce Development
★ 4.7 (60) · Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Unity Engine, Video Game Development, C# (Programming Language), Game Design, Object Oriented Design, Object Oriented Programming (OOP), Application Design, Software Design, Programming Principles, Program Development, Application Development, Scripting
★ 4.8 (68) · Intermediate · Course · 1 - 4 Weeks

Yale University
Skills you'll gain: Environmental Issue, Environment, Biology, Environment and Resource Management, Social Justice, Culture, Natural Resource Management, International Relations, Sustainable Development, Sustainable Systems, Life Sciences, Anthropology, World History, Intercultural Competence, Liberal Arts, Ethical Standards And Conduct, Cultural Diversity, European History, Climate Change Mitigation, Advocacy
★ 4.8 (65) · Beginner · Course · 1 - 3 Months
École Polytechnique
Skills you'll gain: Semiconductors, Materials science, Electrical Engineering, Sustainable Technologies, Energy and Utilities, Physics, Electronic Components, Manufacturing Processes
★ 4.2 (69) · Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Statistical Hypothesis Testing, Descriptive Statistics, Statistical Visualization, Data Transformation, Data Cleansing, Statistical Analysis, Regression Analysis, Statistical Programming, R (Software), Probability, Probability Distribution, Sampling (Statistics), Box Plots, Histogram, R Programming, Statistical Methods, Statistical Software, Microsoft Excel, Statistics, Data Analysis
★ 4.6 (50) · Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Shiny (R Package), Dashboard Creation, Dashboard, Ggplot2, Interactive Data Visualization, Data Visualization Software, R (Software), Application Development, Data Sharing, UI Components, Application Deployment
★ 4.9 (72) · Mixed · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Professional Networking, Professional Development, Leadership Development, Relationship Building, Business Consulting, Relationship Management, Consulting, Leadership, Trustworthiness, Amazon Web Services, Adaptability, Analytical Skills, Branding, Project Management, Brand Management, Critical Thinking, Problem Solving, Business Requirements
★ 4.7 (65) · Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: HTML and CSS, React.js, Web Applications, Hypertext Markup Language (HTML), Front-End Web Development, JavaScript Frameworks, Web Design and Development, Web Development Tools, UI Components, Javascript, Cascading Style Sheets (CSS), Web Development, User Interface (UI), Development Environment
★ 4.2 (60) · Intermediate · Course · 1 - 4 Weeks

HEC Paris
Skills you'll gain: Storytelling, Leadership Development, Trustworthiness, Leadership, Self-Awareness, Relationship Building, Oral Expression, Strategic Leadership, Accountability, Resilience, Personal Development, Visionary, Organizational Leadership, Professional Development, Verbal Communication Skills, Innovation, Persuasive Communication, Presentations, Forecasting, Strategic Planning
★ 4.7 (83) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Dashboard, Dashboard Creation, Data Warehousing, Data Presentation, Relational Databases, Database Development, Data Access, Database Management, SQL, Query Languages, Data Management, Data Analysis, Data Analysis Software, Cloud Computing, Benchmarking, Market Share
★ 4.4 (56) · Beginner · Guided Project · Less Than 2 Hours

University of Toronto
Skills you'll gain: Corporate Sustainability, Environmental Social And Corporate Governance (ESG), Business Ethics, Stakeholder Management, Corporate Strategy, Business Transformation, Governance, Sustainable Business, Stakeholder Engagement, Social Impact, Strategic Leadership, Innovation, Leadership Development, Stakeholder Analysis, Culture Transformation, Organizational Development, Leadership, Business Modeling, Experimentation
★ 4.8 (75) · Beginner · Course · 1 - 4 Weeks