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.

Ball State University
Skills you'll gain: Data Visualization, Rmarkdown, Exploratory Data Analysis, Data Visualization Software, Ggplot2, Interactive Data Visualization, Plot (Graphics), Statistical Visualization, R (Software), R Programming, Data Storytelling, Histogram, Scatter Plots, Data Analysis, Tidyverse (R Package), Data Manipulation
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Javascript, Data Persistence, Scripting, Scripting Languages, Data Storage, Web Development, Functional Design, Data Structures, Business Logic, Game Design, Software Engineering
Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Physics, Physical Science, Materials science, Chemistry, Mechanics, Mathematical Modeling, Computational Thinking, Simulations, Applied Mathematics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Workflow Management, Spreadsheet Software, Project Management Software, Process Design, Data Entry, Excel Formulas, Automation, Data Import/Export, Data Management, Document Management, Collaborative Software, User Accounts
Beginner · Course · 1 - 3 Months

Edureka
Skills you'll gain: Angular, TypeScript, Web Components, JavaScript Frameworks, UI Components, Web Development Tools, Web Applications, Front-End Web Development, Software Architecture, Command-Line Interface, Routing Protocols, Cascading Style Sheets (CSS), Service Oriented Architecture
Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Water Quality, Hazard Analysis, Pollution Prevention, Food Safety and Sanitation, Environmental Issue, Laboratory Testing, Environmental Monitoring, Public Health, Environmental Engineering, Microbiology, Analytical Chemistry, Environmental Science, Biochemistry, Biology
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Content Management Systems, Web Content, Web Design, Web Design and Development, No-Code Development, Web Development, User Accounts, Graphic Design
Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: SQL, PostgreSQL, Database Management, Data Manipulation, Database Systems
Intermediate · Guided Project · Less Than 2 Hours

Illinois Tech
Skills you'll gain: Industrial and Organizational Psychology, Job Analysis, Talent Management, Team Building, Leadership, Human Resources, Human Resources Management and Planning, Diversity and Inclusion, Occupational Safety And Health, Employee Performance Management, Organizational Development, Employee Engagement, Stress First Aid, Performance Management, Research, Social Justice, Scientific Methods, Employee Training, Psychological Evaluations, Cultural Diversity
Beginner · Course · 1 - 3 Months

University of Western Australia
Skills you'll gain: Workforce Planning, Recruitment, Recruitment Strategies, Diversity and Inclusion, Human Resource Strategy, Workplace inclusivity, Talent Sourcing, Diversity Awareness, Diversity Programs, Organizational Effectiveness, Talent Acquisition, Job Analysis
Beginner · Course · 1 - 4 Weeks

Dartmouth College
Skills you'll gain: Creativity, Culture, Liberal Arts, Neurology, Research, Psychology, Social Sciences, Science and Research, Ethical Standards And Conduct, Anthropology, Sociology, Cultural Diversity, Governance
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Networking Hardware, Network Monitoring, OSI Models, Routing Protocols, Software-Defined Networking, Network Troubleshooting, Network Architecture, Network Protocols, Distributed Denial-Of-Service (DDoS) Attacks, Network Security, TCP/IP, Network Routing, Computer Networking, Open Shortest Path First (OSPF), Dynamic Host Configuration Protocol (DHCP), Network Administration, Network Performance Management, Local Area Networks, Hardening, Intrusion Detection and Prevention
Intermediate · Specialization · 3 - 6 Months