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.

Skills you'll gain: Operating System Administration, Digital Forensics, Cyber Threat Hunting, Email Security, Incident Response, IT Service Management, Cloud Computing, Governance Risk Management and Compliance, Information Technology Infrastructure Library, Network Security, Malware Protection, Networking Hardware, Service Management, Identity and Access Management, Penetration Testing, Database Management, Cyber Threat Intelligence, Interviewing Skills, Cybersecurity, Cyber Security Assessment
★ 4.6 (28K) · Beginner · Professional Certificate · 3 - 6 Months

Rice University
Skills you'll gain: Medical Terminology, Medical History Documentation, Pulmonology, Cardiology, Electronic Medical Record System, Medical Records, Endocrinology, Human Musculoskeletal System, Respiratory Care, Orthopedics, Obstetrics And Gynecology, Respiration, Neurology, Gynecology, Urology, Hematology, Health Information Management and Medical Records, Anatomy, Immunology, Communication
★ 4.9 (1K) · Beginner · Specialization · 3 - 6 Months

Yonsei University
Skills you'll gain: Language Learning, Grammar, Writing, Vocabulary, Literacy, Oral Comprehension, Culture
★ 4.9 (54K) · Beginner · Course · 1 - 3 Months
Skills you'll gain: Scope Management, Project Scoping, Stakeholder Analysis, Project Management Life Cycle, Project Documentation, Goal Setting, Project Management, Project Planning, Stakeholder Management, Smart Goals, Stakeholder Engagement, Cost Benefit Analysis, Project Management Software, Prompt Engineering Tools, Performance Metric, Accountability Frameworks, Resource Management, Strategic Thinking, Business Writing
★ 4.8 (24K) · Beginner · Course · 1 - 4 Weeks

Multiple educators
Skills you'll gain: Email Security, Digital Forensics, Network Security, Cloud Infrastructure, Incident Response, Incident Management, Cloud Platforms, Business Continuity Planning, Penetration Testing, Business Continuity, Cloud Computing, Security Controls, System Configuration, Generative AI, Data Storage, Peripheral Devices, Cybersecurity, Application Security, Information Technology, Cryptography
★ 4.7 (16K) · 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
Duke University
Skills you'll gain: File I/O, UI Components, Object Oriented Design, Java Programming, Software Design, Maintainability, User Interface (UI) Design, Debugging, Web Design and Development, Software Engineering, Code Reusability, Hypertext Markup Language (HTML), Computer Programming, Program Development, Event-Driven Programming, Bioinformatics, Javascript, Algorithms, Data Analysis, Cascading Style Sheets (CSS)
★ 4.6 (22K) · Beginner · Specialization · 3 - 6 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

University of Michigan
Skills you'll gain: Unified Modeling Language, JSON, Object Oriented Programming (OOP), File I/O, Software Design, Software Design Documents, Debugging, Object Oriented Design, Data Processing, Diagram Design, Unit Testing, Programming Principles, Program Development, Python Programming, Data Import/Export, Data Wrangling, Restful API, Image Analysis, Data Manipulation, Computer Programming
★ 4.8 (23K) · Beginner · Specialization · 3 - 6 Months
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

Skills you'll gain: React Native, iOS Development, Apple iOS, Software Development Life Cycle, Flutter (Software), Mobile Development, Software Architecture, Android Studio, User Centered Design, Android Development, Swift Programming, Git (Version Control System), GitHub, User Interface (UI) Design, Javascript, Android (Operating System), Front-End Web Development, React Redux, Data Ethics, AI Personalization
★ 4.6 (8.6K) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Data Storytelling, Data Presentation, Plotly, Data Visualization Software, Data Visualization, Plot (Graphics), Dashboard, Interactive Data Visualization, Dashboard Creation, Matplotlib, Graphing, Geospatial Information and Technology, Histogram, Spatial Data Analysis, Seaborn, Data Analysis, Scatter Plots, Python Programming
★ 4.5 (12K) · Intermediate · Course · 1 - 3 Months