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: Key Performance Indicators (KPIs), Power BI, Dashboard Creation, Dashboard, Data Visualization, Interactive Data Visualization, Data Storytelling, Performance Metric, Business Metrics, Data Visualization Software, Data Import/Export, Regional Sales, Sales
★ 4.7 (106) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Stored Procedure, MySQL Workbench, SQL, Data Cleansing, Data-Driven Decision-Making, MySQL, Exploratory Data Analysis, Database Design, Data Presentation, Data Manipulation, Data Integration, Relational Databases, Data Import/Export, Database Management, Query Languages, Database Software, Report Writing, GitHub, Performance Tuning, Jupyter
★ 4.5 (1K) · Beginner · Specialization · 3 - 6 Months

University of Manchester
Skills you'll gain: Chemistry, Physical Science, Physics, Laboratory Experience, Experimentation, Mechanics, Applied Mathematics
★ 4.7 (758) · Mixed · Course · 1 - 3 Months

ConsenSys Academy
Skills you'll gain: Blockchain, Cryptography, Interoperability, Cryptographic Protocols, Encryption, Public Key Cryptography Standards (PKCS), FinTech, Emerging Technologies, Ledgers (Accounting), Distributed Computing, Case Studies, Digital Assets, Data Integrity, Transaction Processing
★ 4.7 (846) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Responsible AI, Anomaly Detection, Microsoft Azure, Data Ethics, AI Workflows, Artificial Intelligence, Image Analysis, Computer Vision, Artificial Intelligence and Machine Learning (AI/ML), Natural Language Processing, AI literacy, Machine Learning
★ 4.5 (1.1K) · Beginner · Course · 1 - 4 Weeks

University of Alberta
Skills you'll gain: Infectious Diseases, Social Studies, Anthropology, Anatomy, Physiology, Socioeconomics, Life Sciences, Sustainable Systems, Environment and Resource Management, Environmental Science, Biology, Microbiology, Public Health and Disease Prevention, Pollution Prevention, Taxonomy, Criminal Investigation and Forensics, Art History, Environmental Monitoring
★ 4.9 (1.6K) · Beginner · Course · 3 - 6 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Insurance, Insurance Policies, Risk Management, Long Term Care, Wealth Management, Disabilities, Financial Planning, Health Policy, Health Care, Case Studies
★ 4.9 (9) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: IT Service Management, Technical Support and Services, Technical Support, Service Level, Service Management, Help Desk Support, Customer Service, End User Training and Support, Remote Access Systems, Issue Tracking, Technical Communication, Technical Documentation
★ 4.8 (1.2K) · Beginner · Course · 1 - 3 Months

University of Geneva
Skills you'll gain: Portfolio Management, Investments, Investment Management, Portfolio Risk, Business Ethics, Wealth Management, Behavioral Economics, Financial Market, Decision Making, Asset Management, Market Dynamics, Finance, Ethical Standards And Conduct, General Finance, Financial Analysis, Economics, Risk Management
★ 4.8 (1.8K) · Mixed · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Javascript, HTML and CSS, Event-Driven Programming, Scripting, Web Design and Development, Web Applications, Programming Principles, Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Event Monitoring, Data Structures, Debugging
★ 4.7 (941) · Beginner · Course · 1 - 4 Weeks
Johns Hopkins University
Skills you'll gain: Systems Thinking, Health Systems, Health Policy, Public Health, Policy Analysis, Policy Development, Public Health and Disease Prevention, Simulations, Systems Analysis, Data Analysis Software
★ 4.6 (1.2K) · Mixed · Course · 1 - 4 Weeks

Indian School of Business
Skills you'll gain: Financial Trading, Financial Analysis, Financial Statements, Financial Statement Analysis, Return On Investment, Securities Trading, Financial Market, Market Dynamics, Analysis, Decision Making, Cash Flows, Investments, Statistical Hypothesis Testing, Accruals
★ 4.5 (1.1K) · Intermediate · Course · 1 - 4 Weeks