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: Phlebotomy, Blood Collection, Urinalysis, Patient Education And Counseling, Geriatrics, Laboratory Testing, Venipuncture, Electocardiography, Pediatrics, Specimen Collection, Cardiology, Medical Assistance, Patient Preparation, Cardiac Dysrhythmia, Diagnostic Tests, Basic Patient Care, Infection Control
★ 4.6 (14) · Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Computational Logic, Application Specific Integrated Circuits, Theoretical Computer Science, Data Structures, Verification And Validation, Systems Design, Algorithms, Programming Principles, Design Software, Model Optimization, Digital Design
★ 4.6 (557) · Intermediate · Course · 1 - 3 Months

University of Amsterdam
Skills you'll gain: World History, Social Studies, International Relations, Ancient History, Culture, Human Development, Cultural Diversity, Physical Science, Anthropology, Timelines, Social Sciences, Liberal Arts, Economics, Policy, and Social Studies, European History, Life Sciences, Environment, Environmental Science, Psychology, Biology, Physics
★ 4.6 (254) · Beginner · Course · 1 - 3 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 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
Skills you'll gain: Statistical Hypothesis Testing, Statistical Methods, Sample Size Determination, Business Mathematics, Statistical Inference, Estimation, Business Analytics, Statistics, Probability & Statistics, Sampling (Statistics), Statistical Analysis, Microsoft Excel, Excel Formulas, Probability Distribution, Data Analysis, Decision Making
★ 4.8 (1.3K) · Mixed · Course · 1 - 4 Weeks
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 (937) · Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Prompt Engineering, Responsible AI, AI Product Strategy, Google Gemini, Generative AI, AI Enablement, AI Workflows, Google Cloud Platform, Google Workspace, AI Integrations
★ 4.6 (591) · Beginner · 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 (745) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Deployment, Decision Tree Learning, Applied Machine Learning, Predictive Modeling, Machine Learning Software, Microsoft Azure, No-Code Development, Machine Learning, Data Preprocessing, Predictive Analytics, Model Training, Cloud Deployment, Feature Engineering, Machine Learning Algorithms, Model Evaluation, Data Science, Data Analysis, Classification Algorithms
★ 4.5 (832) · Beginner · Guided Project · Less Than 2 Hours

Copenhagen Business School
Skills you'll gain: Technology Strategies, FinTech, Digital Transformation, Financial Services, Business Strategy, Financial Regulations, Market Dynamics, Computing Platforms, Competitive Analysis, Business Modeling, Innovation, Governance
★ 4.6 (1K) · Beginner · Course · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Malware Protection, Network Security, Infrastructure Security, Distributed Denial-Of-Service (DDoS) Attacks, Intrusion Detection and Prevention, Network Infrastructure, Cybersecurity, Network Monitoring, Web Applications, Firewall, Computer Security, Authorization (Computing), Cyber Operations, Exploitation techniques, Security Controls, TCP/IP, Identity and Access Management, Network Protocols, Event Monitoring, Authentications
★ 4.8 (737) · Mixed · Course · 1 - 4 Weeks