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.

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Energy and Utilities, Chemical Engineering, Chemistry, Chemical and Biomedical Engineering, Engineering, Process Engineering, Environmental Issue, Sustainable Engineering, Biological Engineering, Engineering Analysis, Physics, Physical Science, Process Analysis, Mathematical Modeling
★ 4.6 (78) · Beginner · Course · 1 - 3 Months

Imperial College London
Skills you'll gain: Health Policy, Health Systems, Health Assessment, Health Care, Policy Analysis, Research, and Development, Public Health, Public Health and Disease Prevention, Health Promotion, Policy Analysis, Health Administration, Public Policies, Research
★ 4.8 (98) · Beginner · Course · 1 - 4 Weeks

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Compensation and Benefits, Compensation Analysis, Compensation Strategy, Compensation Management, Human Resource Strategy, Benefits Administration, Human Resources, Organizational Strategy
★ 4.5 (79) · Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Bioinformatics, Statistical Methods, Statistical Analysis, Molecular Biology, Graph Theory, Taxonomy
★ 4.5 (79) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: LangGraph, Generative AI Agents, AI Orchestration, LangChain, Agentic systems, AI Workflows, OpenAI API, Agentic Workflows, LLM Application, Artificial Intelligence, AI Integrations, User Interface (UI), Python Programming, Context Management, Development Environment
★ 4.5 (97) · Intermediate · Course · 1 - 3 Months

Tally Education and Distribution Services Private Limited
Skills you'll gain: Accounts Payable and Receivable, Accounts Payable, Accounts Receivable, Budget Management, Accounting Software, Bookkeeping, Inventory Management, Ledgers (Accounting), Order Processing, Balancing (Ledger/Billing), Budgeting, Inventory Management System, Order Management, Accounting, General Accounting, Inventory Control, Cost Management, Financial Reporting, Expense Management, Financial Accounting
★ 4.5 (73) · Intermediate · Course · 1 - 3 Months

Liberty Mutual Insurance
Skills you'll gain: Insurance, Insurance Policies, Closing (Sales), Insurance Sales, Overcoming Objections, Sales Prospecting, Productivity, Prospecting and Qualification, Verbal Communication Skills, Workers Compensation, Storytelling, Risk Management, Customer Relationship Building, Customer Retention, Communication, Law, Regulation, and Compliance, Sales Presentation, Consultative Selling, Product Knowledge, Cyber Risk
★ 4.5 (77) · Beginner · Professional Certificate · 3 - 6 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Generative AI, Generative Model Architectures, Generative Adversarial Networks (GANs), Deep Learning, Responsible AI, Machine Learning Methods, Artificial Intelligence, Data Ethics, Machine Learning, Machine Learning Algorithms, AI literacy, Artificial Neural Networks, Convolutional Neural Networks, Regression Analysis, Law, Regulation, and Compliance, Classification Algorithms, Regulation and Legal Compliance
★ 4.5 (74) · Beginner · Course · 1 - 4 Weeks
Utrecht University
Skills you'll gain: Lobbying, Social Justice, Political Sciences, Economics, Policy, and Social Studies, Socioeconomics, Tax Laws, Civil Law, Social Sciences, Economics, Policy Analysis, Public Affairs, Liberal Arts, Public Policies, Governance, International Finance
★ 4.7 (76) · Beginner · Course · 1 - 3 Months

Curtis Institute of Music
Skills you'll gain: Classical Music, Instrumental Music, Music Theory, Music, Musical Composition, Music Performance, Music History
★ 4.9 (118) · Beginner · Course · 1 - 3 Months

Skills you'll gain: TikTok, Content Creation, Video Editing, Video Production, Social Media Content, Social Media, Social Media Marketing, Algorithms, Driving engagement, Target Audience, Business Marketing, Customer Engagement, Culture, User Accounts, Demography
★ 4.8 (72) · Beginner · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: SQL, Generative AI, AI literacy, Data Visualization, Interactive Data Visualization, Prompt Patterns, Data Analysis, Debugging, Exploratory Data Analysis, ChatGPT, Prompt Engineering, Databases, Context Engineering, Data Validation, Code Reusability
★ 4.8 (85) · Beginner · Course · 1 - 4 Weeks