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.
Duke University
Skills you'll gain: File I/O, UI Components, Object Oriented Design, Java Programming, Software Design, Debugging, Web Design and Development, Software Engineering, Code Reusability, Hypertext Markup Language (HTML), Computer Programming, Program Development, Event-Driven Programming, Bioinformatics, Encryption, Computer Programming Tools, Javascript, Algorithms, Data Analysis, Cascading Style Sheets (CSS)
★ 4.6 (22K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Storytelling, Data Wrangling, Exploratory Data Analysis, Database Design, Ggplot2, Data Presentation, Data Visualization Software, Data Visualization, Relational Databases, Statistical Visualization, Data Collection, Interactive Data Visualization, Predictive Modeling, Statistical Analysis, Microsoft Excel, Analytical Skills, R (Software), Excel Formulas, Data Cleansing, Data Manipulation
★ 4.7 (32K) · Beginner · Professional Certificate · 3 - 6 Months
Macquarie University
Skills you'll gain: Excel Formulas, Microsoft Excel, Spreadsheet Software, Productivity Software, Data Analysis Software, Business Analytics, Analytical Skills
★ 4.9 (51K) · Beginner · Course · 1 - 3 Months
Skills you'll gain: Security Management, Threat Management, Cybersecurity, Cyber Risk, Risk Management Framework, Risk Management, Business Risk Management, Incident Response, Vulnerability Management, Risk Mitigation, Security Information and Event Management (SIEM), Security Controls, Computer Security, Risk Analysis, Threat Detection, Open Web Application Security Project (OWASP), Event Monitoring, Auditing
★ 4.8 (11K) · Beginner · Course · 1 - 4 Weeks

The University of Edinburgh
Skills you'll gain: Liberal Arts, Political Sciences, Research, Psychology, Social Studies, Scientific Methods, Science and Research, Research Methodologies, Ethical Standards And Conduct
★ 4.7 (9.7K) · Mixed · Course · 3 - 6 Months

University of Michigan
Skills you'll gain: Debugging, Programming Principles, Python Programming, Software Visualization, Data Structures, Scripting Languages, Computer Programming, Scripting, Computational Logic, Computer Graphics, Diagram Design
★ 4.8 (18K) · Beginner · Course · 1 - 4 Weeks
Skills you'll gain: User Experience Design, User Experience, Persona (User Experience), Web Content Accessibility Guidelines, User Story, UI/UX Research, User Centered Design, Design Thinking, User Research, Human Factors, Human Centered Design, Ideation, Competitive Analysis, Solution Design, Persona Development
★ 4.8 (17K) · Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Grammar, Writing, English Language, Literacy
★ 4.7 (20K) · Mixed · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Medical Terminology, Human Musculoskeletal System, Orthopedics, Medical History Documentation, Medical Records, Electronic Medical Record System, Urology, Health Information Management and Medical Records, Anatomy, Diagnostic Tests, General Medicine, Physiology
★ 4.9 (788) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Warehousing, Extract, Transform, Load, Data Pipelines, Linux Commands, SQL, IBM Cognos Analytics, Apache Kafka, Bash (Scripting Language), Apache Airflow, Shell Script, IBM DB2, Data Transformation, Data Visualization, Dashboard, File Management, Dashboard Creation, Star Schema, Database Management, Relational Databases, Stored Procedure
★ 4.6 (25K) · Beginner · Specialization · 3 - 6 Months

Michigan State University
Skills you'll gain: Peer Review, Storytelling, Writing and Editing, Editing, Constructive Feedback, Content Creation, Follow Through, Oral Expression, Creative Thinking, Goal Setting, Personal Development, Self-Discipline
★ 4.3 (376) · Beginner · Course · 3 - 6 Months
University of Michigan
Skills you'll gain: Database Design, Data Store, Database Software, Relational Databases, SQL, Databases, Data Visualization Software, Database Management, Web Scraping, Data Modeling, Object Oriented Programming (OOP), Data Processing, Python Programming, Application Programming Interface (API)
★ 4.8 (22K) · Beginner · Course · 1 - 3 Months