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: Matplotlib, Plot (Graphics), Data Visualization, Predictive Modeling, Scientific Visualization, Pandas (Python Package), Data Visualization Software, Predictive Analytics, Statistical Visualization, Data Presentation, Data Manipulation, Data Wrangling, Regression Analysis, Data Analysis, Data Cleansing, Data Science, Applied Machine Learning, Machine Learning Algorithms, Model Evaluation, Statistical Inference
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AI Workflows, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML)
★ 4.8 (11) · Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Bash (Scripting Language), Shell Script, Scripting, Unix Shell, Command-Line Interface, Scripting Languages, Code Reusability, Automation, DevOps
★ 4.7 (7) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Creative Design, Visual Storytelling, Style Guides, Oral Expression, Storyboarding, Storytelling, Graphic and Visual Design, Creativity, Aesthetics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Routing Protocols, Network Security, Network Routing, TCP/IP, Network Administration, Open Shortest Path First (OSPF), Network Protocols, Network Switches, Virtual Local Area Network (VLAN), Network Monitoring, Firewall, Network Infrastructure, Network Troubleshooting, Border Gateway Protocol, Network Performance Management, Security Controls, Network Analysis, Authentications, Encryption
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Applied Machine Learning, Data Science, Python Programming, Scikit Learn (Machine Learning Library), NumPy, Computational Thinking, Machine Learning Algorithms, Pandas (Python Package), Data Analysis, Data Processing, AI Personalization, Data Wrangling, Exploratory Data Analysis, Programming Principles, Data Manipulation, Development Environment
Beginner · Course · 1 - 4 Weeks
University of Colorado Boulder
Skills you'll gain: Vibrations, Control Systems, Mechanics, Torque (Physics), Mechanical Engineering, Engineering Analysis, Differential Equations, Mathematical Modeling, Simulation and Simulation Software
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, HTML and CSS, Animations, UI Components, Mockups, Front-End Web Development, Typography, Web Development
★ 5 (7) · Intermediate · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Plant Operations and Management, Biology, Environment
★ 4.8 (8) · Beginner · Course · 1 - 3 Months

Yale University
Skills you'll gain: Resourcefulness, Goal Setting, Adult Education, Decision Making, Relationship Building
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Mindfulness, Stress Management, Meditation & Breathwork, Personal Development, Stress First Aid, Emotional Intelligence, Resilience, Self-Awareness, Mental Health, Habit Formation, Mental Concentration
Beginner · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: LinkedIn, Coaching, Customer Acquisition Management, Productivity, Program Management, Web Presence, Revenue Management, Mentorship, Target Market, Professional Networking, Professional Development, Marketing Strategies, Branding, Business Strategy
Mixed · Course · 1 - 3 Months