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 Michigan
Skills you'll gain: Blockchain, Emerging Technologies, FinTech, Market Dynamics, Digital Assets, Cryptography, Market Trend, Business Solutions, Business Analysis, Payment Systems, Algorithms, Distributed Computing
★ 4.7 (977) · Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Linux, Linux Commands, Linux Servers, Ubuntu, File Management, Command-Line Interface, Unix, Bash (Scripting Language), grep, Servers, Operating Systems, File Systems, Shell Script, Web Servers, IT Automation, Apache, MySQL, Open Source Technology, Service Management
★ 4.5 (968) · Beginner · Course · 1 - 4 Weeks

SkillUp
Skills you'll gain: Email Security, Productivity Software, Microsoft Outlook, File Management, Collaborative Software, Presentations, Microsoft Teams, Google Docs, Calendar Management, Microsoft PowerPoint, Control Panels, Gmail, Slack (Software), Microsoft Office, Microsoft Word, Spreadsheet Software, Setting Appointments, Meeting Facilitation, Google Workspace, Google Sheets
★ 4.7 (643) · Beginner · Specialization · 3 - 6 Months

Technion - Israel Institute of Technology
Skills you'll gain: Ideation, Innovation, Creative Problem-Solving, Creative Thinking, Creativity, Operations Management, Problem Solving, Strategic Thinking, Solution Delivery, Initiative and Leadership, Personal Development, Presentations, Persistence
★ 4.7 (1K) · Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Instagram, Video Editing, Content Scheduling, Content Performance Analysis, Drive Engagement, Storytelling, Social Media Analytics, Social Media Content, Canva (Software), Content Optimization, Content Creation, Design Elements And Principles, Paid media, Graphic and Visual Design, Driving engagement, Competitive Analysis, Content Strategy, Analytics, Visual Design, Marketing
★ 4.1 (774) · Beginner · Specialization · 3 - 6 Months

California Institute of the Arts
Skills you'll gain: Animation and Game Design, Animations, Game Design, Design, Technical Design, Conceptual Design, Design Strategies, Design Elements And Principles, Creative Design
★ 4.6 (1K) · Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Substance Abuse, Mental Health, Respiration, Psychiatry, Neurology, Mathematical Modeling, Patient Safety, Physiology, Internal Medicine, Injury Prevention, Life Sciences, Cardiology, Mental Health Diseases and Disorders, Accident Prevention, General Medicine, Economics, Policy, and Social Studies, Public Health, Pharmacology, Public Health and Disease Prevention, Molecular Biology
★ 4.8 (829) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: R (Software), Tidyverse (R Package), Web Scraping, Data Manipulation, Data Wrangling, R Programming, Data Transformation, Memory Management, Data Cleansing, Data Science, Statistical Programming, Data Integration, Data Processing, Text Mining, Data Import/Export, Web Services, Data Analysis, Data Structures, Application Programming Interface (API)
★ 4.3 (1.2K) · Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Deep Learning, Model Evaluation, Unsupervised Learning, Machine Learning Methods, Classification And Regression Tree (CART), Machine Learning, Regression Analysis, Artificial Intelligence and Machine Learning (AI/ML), Applied Machine Learning, Artificial Neural Networks, Decision Tree Learning, Model Training, Computer Vision, Logistic Regression, Supervised Learning, Machine Learning Algorithms, Natural Language Processing, Predictive Modeling, Data Science, Predictive Analytics
★ 4.7 (848) · Intermediate · Course · 1 - 3 Months

University of Geneva
Skills you'll gain: Investment Management, Investments, Performance Measurement, Portfolio Management, Asset Management, Wealth Management, Environmental Social And Corporate Governance (ESG), Performance Analysis, Financial Services, FinTech, Performance Metric, Portfolio Risk, Return On Investment, Finance, Financial Market, Risk Management, Benchmarking, Sustainable Business, Risk Analysis
★ 4.8 (1.2K) · Mixed · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: PHP (Scripting Language), MySQL, Database Application, Database Development, Object Oriented Programming (OOP), Database Management, Secure Coding, Authentications, Web Applications, SQL, Network Protocols
★ 4.8 (1.1K) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Wound Care, Hand Hygiene, Personal protective equipment, Infection Control, Sterile Procedure, Asepsis, Medical Surgical Nursing, Basic Nursing Skills, Health Assessment, Health And Safety Standards, Patient Safety, Patient Treatment, Public Health and Disease Prevention, Health Care, Healthcare Ethics, Nursing, Clinical Nursing, Health Care Procedure and Regulation, Community Health, Healthcare Industry Knowledge
Beginner · Course · 1 - 4 Weeks