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.

University of Colorado Boulder
Skills you'll gain: Energy and Utilities, Electrical Power, Engineering, Sustainable Technologies, Electric Power Systems, Environmental Issue, Physics, Mechanics, Hydrology, Emerging Technologies
★ 4.8 (803) · Beginner · Course · 1 - 3 Months

Università di Napoli Federico II
Skills you'll gain: English Language, Language Competency, Language Learning, Vocabulary, Oral Comprehension, Grammar
★ 4.5 (259) · Intermediate · Course · 1 - 3 Months

Google AR & VR
Skills you'll gain: Virtual Reality, Post-Production, Photo/Video Production and Technology, Video Production, Video Editing, Augmented and Virtual Reality (AR/VR), Videography, Media Production, Content Creation, Editing, Cinematography
★ 4.7 (897) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Identity and Access Management, Cloud Security, Google Cloud Platform, Security Controls, Cloud Management, User Provisioning, Virtual Networking, Firewall, Network Security, Data Access, Role-Based Access Control (RBAC), Authorization (Computing), Data Security, Single Sign-On (SSO), Authentications, Load Balancing
★ 4.7 (1.1K) · Intermediate · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Investment Management, Finance, Investments, Business Valuation, Portfolio Management, Financial Market, Equities, General Finance, Financial Analysis, Regression Analysis, Corporate Finance, Portfolio Risk, Asset Management, Microsoft Excel, Risk Analysis, Correlation Analysis, Performance Analysis, Cash Flows
★ 4.7 (936) · Intermediate · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Data Ethics, Artificial Intelligence, Research, Natural Language Processing, Big Data, Research Methodologies, AI literacy, Social Sciences, Applied Machine Learning, Responsible AI, Machine Learning, Ethical Standards And Conduct, Case Studies, Algorithms
★ 4.6 (743) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Software Development Life Cycle, Object Oriented Programming (OOP), Java Programming, Java, Program Development, Code Reusability, Software Development, Object Oriented Design, Development Environment, Integrated Development Environments, Computer Programming, Software Engineering, Programming Principles, Software Design, Computational Logic
★ 4.4 (397) · Beginner · Course · 1 - 4 Weeks

The University of Edinburgh
Skills you'll gain: Web Presence, digital literacy, Social Media, Data Management, Data Ethics, Goal Setting, Critical Thinking
★ 4.6 (669) · Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Entrepreneurship, Business Planning, New Business Development, Entrepreneurial Finance, Go To Market Strategy, Financial Forecasting, Business Strategy, Growth Strategies, Financial Modeling, Fundraising and Crowdsourcing, Equities, Business Modeling, Private Equity, Business Valuation, Customer Acquisition Management, Financial Planning, Presentations, Performance Measurement, Team Management, Business Metrics
★ 4.8 (769) · Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Model Evaluation, Machine Learning Algorithms, Data Visualization, Model Optimization, Scikit Learn (Machine Learning Library), Matplotlib, Data Literacy, Tableau Software, Plot (Graphics), Data Presentation, Interactive Data Visualization, Data Visualization Software, Unsupervised Learning, Exploratory Data Analysis, Pandas (Python Package), Seaborn, Data Preprocessing, Model Training, Machine Learning, Python Programming
★ 4.7 (586) · Intermediate · Specialization · 3 - 6 Months

Advancing Women in Tech
Skills you'll gain: Product Roadmaps, Product Management, Agile Product Development, Customer Retention, Cross-Functional Team Leadership, Professional Networking, Product Planning, Financial Analysis, AI Product Strategy, Product Marketing, Product Strategy, Design and Product, Technical Product Management, Product Requirements, Engineering Management, Product Development, Financial Statement Analysis, Customer Analysis, Performance Management, Interviewing Skills
★ 4.5 (939) · Beginner · Specialization · 3 - 6 Months

University of Michigan
Skills you'll gain: Finite Element Methods, Engineering Analysis, Mathematical Software, Numerical Analysis, Mathematical Modeling, Advanced Mathematics, C++ (Programming Language), Structural Engineering, Integral Calculus, Computer Programming
★ 4.6 (564) · Intermediate · Course · 3 - 6 Months