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: Phlebotomy, Blood Collection, Sterilization, Urinalysis, Patient Communication, Medical Terminology, Patient-centered Care, Nutrition Education, Infection Control, Asepsis, Nutrition and Diet, Pathology, Basic Patient Care, Patient Education And Counseling, Vital Signs, Geriatrics, Laboratory Testing, Direct Patient Care, Venipuncture, Hand Hygiene
★ 4.8 (64) · Beginner · Specialization · 1 - 3 Months
Skills you'll gain: Quality Management, Project Closure, Scope Management, Team Management, Project Management Life Cycle, Product Quality (QA/QC), Sprint Retrospectives, Project Management, Project Planning, Agile Project Management, Quality Assessment, Quality Assurance, Backlogs, Team Leadership, Project Scoping, Agile Software Development, Stakeholder Communications, Change Management, Web Presence, Interviewing Skills
★ 4.8 (145K) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Responsive Web Design, Storyboarding, Wireframing, User Experience Design, UI/UX Research, User Experience, Usability Testing, Information Architecture, Presentations, Web Design, User Research, Design Thinking, Figma (Design Software), Usability, Design Reviews, Persona (User Experience), User Interface and User Experience (UI/UX) Design, Web Content Accessibility Guidelines, Web Presence, Interviewing Skills
★ 4.8 (100K) · Beginner · Professional Certificate · 3 - 6 Months

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, Relational Databases, System Configuration, Operating System Administration, General Networking, Cybersecurity, Information Technology, Application Security, Cryptography
★ 4.7 (16K) · Beginner · Professional Certificate · 3 - 6 Months

MedCerts
Skills you'll gain: Operating Room (OR), Surgery, Patient Positioning, Sterilization, Sterile Procedure, Patient Preparation, Perioperative Care, Asepsis, General Surgery, Pharmacology, Medical Equipment, Infection Control, Medication Dispensation, Medical Equipment and Technology, Occupational Hygiene, Health Technology
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Django (Web Framework), Restful API, Version Control, GitHub, Git (Version Control System), Responsive Web Design, Jest (JavaScript Testing Framework), JSON, HTML and CSS, Bootstrap (Front-End Framework), Web Development Tools, Unix Commands, Back-End Web Development, React.js, API Testing, Relational Databases, Object Oriented Programming (OOP), Database Management Systems, Mobile Development, Python Programming
★ 4.7 (25K) · Beginner · Specialization · 3 - 6 Months
Johns Hopkins University
Skills you'll gain: Rmarkdown, Exploratory Data Analysis, R (Software), Version Control, Statistical Analysis, R Programming, Data Manipulation, Data Cleansing, Data Science, Data Wrangling, Data Visualization, Data Processing, Plot (Graphics), Statistical Programming, Statistical Visualization, Ggplot2, Knitr, Data Sharing, GitHub, Machine Learning
★ 4.6 (48K) · 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, Debugging, Object Oriented Design, Data Processing, Unit Testing, Programming Principles, Program Development, Python Programming, Data Import/Export, Data Wrangling, Restful API, Image Analysis, Software Documentation, Data Manipulation, Jupyter, Computer Programming
★ 4.8 (23K) · Beginner · Specialization · 3 - 6 Months

University of California, Davis
Skills you'll gain: Data Governance, SQL, Data Quality, Data Literacy, Query Languages, Database Management, Data Modeling, Relational Databases, Data Manipulation, Data Science, Data Wrangling, Data Analysis, Data Transformation, Descriptive Analytics
★ 4.6 (17K) · Beginner · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Prompt Engineering, ChatGPT, Prompt Patterns, LLM Application, AI literacy, AI Enablement, AI powered creativity, Artificial Intelligence, Large Language Modeling, Game Design
★ 4.8 (8.2K) · Beginner · Course · 1 - 3 Months

MedCerts
Skills you'll gain: Medical Terminology, Healthcare Ethics, Basic Patient Care, Resilience, Emotional Intelligence, Anatomy, Pathology, Direct Patient Care, Professionalism, Patient-centered Care, Patient Communication, Personal protective equipment, Vital Signs, Hand Hygiene, Patient Safety, Personal Care, Patient Positioning, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Pain Management, Infection Control
★ 4.8 (1.3K) · Beginner · Specialization · 3 - 6 Months

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, Service Management, Identity and Access Management, Penetration Testing, Linux, Database Management, Cyber Threat Intelligence, Interviewing Skills, Cybersecurity, Cyber Security Assessment
★ 4.6 (28K) · Beginner · Professional Certificate · 3 - 6 Months