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.

Stanford Online
Skills you'll gain: Data Structures, Graph Theory, Algorithms, Social Network Analysis, Network Analysis, Theoretical Computer Science, Probability & Statistics
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Google Cloud Platform, Amazon Web Services, AWS Identity and Access Management (IAM), Virtual Private Networks (VPN), Identity and Access Management, Cloud Infrastructure, Cloud Computing Architecture, Cloud Computing, Virtual Networking, Network Routing, Firewall, Network Security, Border Gateway Protocol, Wide Area Networks, User Accounts, Load Balancing
Intermediate · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Apache Spark, Apache Hadoop, Scala Programming, Distributed Computing, Big Data, Data Manipulation, Data Processing, Performance Tuning, Data Persistence, SQL, Data Import/Export
Intermediate · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Bioinformatics, Molecular Biology, Data Analysis Software, Molecular, Cellular, and Microbiology, Biology, Algorithms, Microbiology, Statistical Methods, Python Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Responsible AI, Anomaly Detection, Image Analysis, Text Mining, Unsupervised Learning, Microsoft Azure, Data Ethics, Natural Language Processing, AI Workflows, Computer Vision, Applied Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning Software, Model Training, Regression Analysis, Artificial Intelligence, No-Code Development, AI literacy, Predictive Modeling, Machine Learning
Beginner · Specialization · 3 - 6 Months

University of Zurich
Skills you'll gain: Probability, Probability Distribution, Probability & Statistics, Descriptive Statistics, Statistical Methods, Finance, Correlation Analysis, Decision Making
Beginner · Course · 1 - 3 Months

The Museum of Modern Art
Skills you'll gain: Design Thinking, Creative Thinking, Instructional Strategies, Creative Problem-Solving, Learning Strategies, Liberal Arts, Analytical Skills, Self-Awareness, Writing
Intermediate · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Virtual Reality, Augmented and Virtual Reality (AR/VR), Unity Engine, Virtual Environment, Video Game Development, Application Design, Display Devices, Technical Design, Persona (User Experience), Human Computer Interaction, Human Factors, Sensory Systems Analysis, Journalism, Mental Health Therapies
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cardiology, Blood Pressure, Capillary, Hemodynamics, Cardiac Dysrhythmia, Diagnostic Tests, Respiration, Anatomy, Hematology, Physiology, Electrophysiology, Medical Terminology, Simulation and Simulation Software
Beginner · Course · 1 - 4 Weeks

Skillshare
Skills you'll gain: Music Theory, Instrumental Music, Music Performance, Music, World Music, Performing Arts
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Email Marketing, Responsive Web Design, Email Automation, Usability, Workflow Management, Marketing Design, Graphic and Visual Design, Visual Design, Typography, User Experience Design, Design Reviews, Style Guides, Brand Marketing, Design Elements And Principles
Beginner · Course · 1 - 4 Weeks