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.

Copenhagen Business School
Skills you'll gain: Business Planning, Social Impact, Team Collaboration, Organizational Structure, Business Modeling, Entrepreneurship, Business Strategies, Entrepreneurial Finance, Fundraising, Governance, Value Propositions, Innovation, Investments, Presentations
★ 4.7 (126) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, HTML and CSS, Bootstrap (Front-End Framework), Web Design, Web Design and Development, Javascript
★ 4.4 (110) · Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: SQL, Data Manipulation, Relational Databases, Database Management, Database Software, Database Design, Databases, Data Integrity, Database Management Systems, Debugging, Data Management
★ 4.6 (199) · Intermediate · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Process Validation, Verification And Validation, Laboratory Testing, Environmental Science, Research, Hazard Analysis, Safety Assurance, Scientific Methods, Science and Research, Biostatistics, Bioinformatics, Research Methodologies, Environmental Regulations, General Science and Research, Research Design, Epidemiology, Risk Analysis, Quantitative Research, Data Synthesis
★ 4.7 (123) · Beginner · Course · 1 - 3 Months

University of Cape Town
Skills you'll gain: Lifelong Learning, Family Support, Developmental Disabilities, Disabilities, Education and Training, Working With Children, Caregiving, Teaching, Human Learning, Special Education, Child Development, Learning Theory, Childhood Education and Development, Patient Advocacy, Advocacy, Curriculum Planning, Care Coordination, Instructional Strategies, Human Development, Care Management
★ 4.8 (200) · Beginner · Course · 1 - 4 Weeks

Shanghai Jiao Tong University
Skills you'll gain: Language Competency, Language Learning, Oral Comprehension, Vocabulary
★ 4.7 (121) · Intermediate · Course · 1 - 3 Months

Rice University
Skills you'll gain: Diversity Equity and Inclusion Initiatives, Diversity Programs, Diversity and Inclusion, Diversity Awareness, Demography, Workplace inclusivity, Organizational Development, Cultural Diversity, Organizational Effectiveness, Organizational Strategy, Human Resource Strategy
★ 4.8 (211) · Intermediate · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Matplotlib, Plot (Graphics), Pandas (Python Package), Seaborn, SQL, Scientific Visualization, Data Visualization, Data Preprocessing, Jupyter, Data Manipulation, NumPy, Data-Driven Decision-Making, Regression Analysis, Accounting, Applied Machine Learning, Data Processing, Database Management, Query Languages, Data Compilation, Python Programming
★ 4.4 (118) · Intermediate · Course · 1 - 3 Months
LearnQuest
Skills you'll gain: Containerization, File I/O, Package and Software Management, Unified Modeling Language, Software Testing, Docker (Software), Development Environment, Unit Testing, Application Deployment, Plot (Graphics), Pandas (Python Package), Scripting, Data Modeling, DevOps, Data Persistence, Programming Principles, Python Programming, Scripting Languages, Data Structures, Computer Programming
★ 4 (210) · Beginner · Specialization · 3 - 6 Months

LearnKartS
Skills you'll gain: Cloud Computing, Infrastructure Architecture, Cost Reduction, Cloud Hosting, Cloud Solutions, Cost Management, Network Infrastructure, Budget Management, Database Management, Load Balancing, Virtual Private Networks (VPN), Technical Support and Services, Technical Support, Financial Management, Network Security, Vendor Management, Resource Management, Customer Support, Configuration Management
★ 4.4 (136) · Beginner · Specialization · 1 - 3 Months

Stanford Online
Skills you'll gain: Food and Beverage, Sustainable Development, Nutrition and Diet, Sustainable Systems, Environment, Nutrition Education, Sustainability Standards, Sustainable Technologies, Environment and Resource Management, Environmental Issue, Climate Change Mitigation, Environmental Science, Emerging Technologies, Innovation
★ 4.8 (181) · Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Virtual Teams, Team Leadership, Intercultural Competence, Diversity Awareness, Team Management, Cultural Diversity, Organizational Leadership, Diversity Training, Team Building, Diversity and Inclusion, Rapport Building, Cultural Sensitivity, Leadership, Leadership and Management, Cultural Responsiveness, Leadership Development, Team Performance Management, Drive Engagement, Team Collaboration, Interpersonal Communications
★ 4.7 (127) · Beginner · Specialization · 3 - 6 Months