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 California San Diego
Skills you'll gain: Bioinformatics, Molecular Biology, Microbiology, Infectious Diseases, Biotechnology, Precision Medicine, Biochemistry, Brute-force attacks, Computational Thinking, Algorithms, Python Programming
★ 4.6 (326) · Intermediate · Course · 1 - 3 Months

The University of Edinburgh
Skills you'll gain: Research, Psychology, Psychological Evaluations, Software Testing
★ 4.5 (374) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Rmarkdown, Data Visualization, Statistical Visualization, R (Software), Data Import/Export, Data Visualization Software, R Programming, Tidyverse (R Package), Statistical Reporting, Data Manipulation, Data Wrangling, Data Processing, File Management, Software Installation
★ 4.7 (313) · Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Financial Analysis, Financial Statement Analysis, Finance, Accounting, Financial Accounting, Business Valuation, General Accounting, Financial Acumen, Financial Statements, Financial Management, Balance Sheet, Corporate Finance, Income Statement, Accounting Records, Entrepreneurial Finance, Risk Analysis, Cash Flows, Equities, Organizational Structure, Governance
★ 4.7 (354) · Beginner · Course · 1 - 4 Weeks

Goodwill Industries International
Skills you'll gain: Communication, Coaching, Diversity Equity and Inclusion Initiatives, Trustworthiness, Professional Development, Workforce Development, Ethical Standards And Conduct, Relationship Management, Rapport Building, Diversity Awareness, Professionalism, Empathy, Workplace inclusivity, Human Services, People Development, Relationship Building, Human Development, Goal Setting, Expectation Management, Crisis Intervention
★ 4.7 (369) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: User Centered Design, User Experience Design, Responsive Web Design, User Interface (UI) Design, Prototyping, Front-End Web Development, Graphic and Visual Design, User Interface and User Experience (UI/UX) Design, Figma (Design Software), Design Elements And Principles, Web Design, Wireframing, Typography, Application Design, Digital Design, UI Components, Web Applications, Mobile Development, Design Thinking
★ 4.5 (321) · Beginner · Course · 1 - 4 Weeks

Yonsei University
Skills you'll gain: Apache Spark, Big Data, SPSS (Software), SPSS, Analytics, Business Technologies, Real Time Data, Apache Hadoop, Data Processing, Statistical Analysis, Data Analysis Software, Business Planning, Data Storage Technologies, Business Strategy, Market Data, Business Strategies, Market Intelligence, Market Share, Market Dynamics, Distributed Computing
★ 4.7 (322) · Beginner · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Big Data, Apache Spark, Data Store, Apache Hadoop, Apache Mahout, Distributed Computing, Data Storage, Data Processing, NoSQL, Apache Kafka, Cloud Computing, Real Time Data, Databases, Analytics, Deep Learning, Applied Machine Learning, Machine Learning Methods, Statistical Machine Learning, Scalability, Machine Learning
★ 4.3 (343) · Mixed · Course · 1 - 3 Months

Keller Williams
Skills you'll gain: Lead Generation, Real Estate, Real Estate Sales, Property and Real Estate, Customer Relationship Building, Database Management, Real Estate Transactions, Prospecting and Qualification, Sales Prospecting, Relationship Building, Prioritization, Goal Setting, Market Data, Market Analysis, Market Trend, Compensation Management
★ 4.7 (170) · Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Community Outreach, Social Justice, Discussion Facilitation, Community Organizing, Diversity Awareness, Advocacy, Social Impact, Oral Expression, Diversity Equity and Inclusion Initiatives, Rapport Building, Community Development, Cultural Responsiveness, Diversity Training, Interviewing Skills, Cultural Sensitivity, Interpersonal Communications, Sociology, Intercultural Competence, Cultural Diversity, Social Studies
★ 4.6 (325) · Beginner · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Medical Privacy, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Health Information Management, Security Awareness, Cloud Security, Personally Identifiable Information, Encryption, Health Informatics, Health Information Management and Medical Records, Healthcare Industry Knowledge, Health Care Procedure and Regulation, Data Security, Security Controls, Cyber Attacks, Medical Records, Health Technology, Health Administration, Information Privacy, Cloud Computing, Patient Safety
★ 4.8 (477) · Beginner · Course · 1 - 4 Weeks

University of Geneva
Skills you'll gain: Substance Abuse, Pharmaceuticals, Social Justice, Health Disparities, Public Health and Disease Prevention, Health Equity, Health Care, Medical Prescription, Public Health, Health Policy, Infectious Diseases, Healthcare Ethics, Public Policies, Policy Analysis, Social Sciences, Community Health, Advocacy, International Relations, Policy Development
★ 4.8 (275) · Beginner · Course · 1 - 3 Months