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 Leeds
Skills you'll gain: Exploratory Data Analysis, Statistical Methods, Statistical Modeling, Statistical Software, R (Software), Probability & Statistics, Data Collection, Statistics, Data Literacy, Statistical Inference, R Programming, Statistical Programming, Probability, Data Analysis, Statistical Analysis, Probability Distribution, Simulations, Statistical Visualization, Statistical Reporting, Data Visualization Software
★ 4.8 (10) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: z/OS, Computer Architecture, Mainframe Computing, Mainframe Technologies, Microarchitecture, Systems Architecture, Hardware Architecture, Data Storage, Computer Science, Programming Principles, System Programming, Data Structures, Computational Logic, Computer Hardware, Program Development, Computer Programming, Memory Management
★ 3.8 (12) · Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Diversity Equity and Inclusion Initiatives, Diversity and Inclusion, Diversity Training, Diversity Awareness, Empathy, Intercultural Competence, Workplace inclusivity, Diversity Programs, Cultural Sensitivity, Cultural Diversity, Social Justice, Cultural Responsiveness, Employee Retention, Leadership Studies, Talent Recruitment, Human Resources, Self-Awareness, Workforce Development, Organizational Leadership, Human Resource Strategy
★ 4 (7) · Beginner · Specialization · 3 - 6 Months

Rutgers the State University of New Jersey
Skills you'll gain: Enterprise Resource Planning, Procurement, Purchasing, Robotic Process Automation, Business Technologies, Supply Chain Systems, Business Process Automation, Technology Solutions, Accounts Payable, AI Enablement, Digital Transformation, Automation, AI Integrations
★ 4.8 (9) · Intermediate · Course · 1 - 3 Months

Whizlabs
Skills you'll gain: Cloud Management
★ 3.6 (7) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Agentic systems, Algorithms, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Computational Thinking, Graph Theory, Model Optimization, Solution Design, Technical Design, Performance Testing
★ 4 (6) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Ruby (Programming Language), Object Oriented Programming (OOP), Debugging, Code Reusability, Development Environment, Integrated Development Environments, Computer Programming, Programming Principles, Apple Xcode, Software Installation, Computer Programming Tools, Microsoft Windows, Command-Line Interface
★ 4.6 (12) · Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Systems Engineering, Engineering Design Process, Systems Integration, Human Factors, System Testing, Robotics, Thermal Management, Electric Power Systems, Environmental Monitoring
★ 5 (10) · Beginner · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: UI Components, Interactive Design, User Interface (UI), User Interface (UI) Design, Event-Driven Programming, Application Design, Development Environment, Application Development, Web Applications, Application Frameworks, Software Installation, Python Programming, Web Frameworks
★ 4.5 (25) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Application Security, Network Security, Information Systems Security, Cloud Security, Cybersecurity, System Monitoring, Internet Of Things, Network Monitoring, Cyber Attacks, Mobile Security, Cryptography, Information Privacy, Authorization (Computing), Wireless Networks, Authentications, Data Storage, Patch Management, Operating Systems, Cloud Services, Cloud Platforms
★ 4.5 (19) · Intermediate · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Student Engagement, Teaching, Empowerment, Instructional Strategies, Writing, Mentorship, Case Studies, Qualitative Research
★ 4 (8) · Beginner · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Data Quality, Quantitative Research, Data Validation, Data Collection, Data Processing, Data Analysis, Data Access, Statistical Analysis, Sampling (Statistics)
★ 4.5 (6) · Beginner · Course · 1 - 4 Weeks