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.

LearnQuest
Skills you'll gain: SQL, Oracle Databases, Database Design, Database Development, Database Management, Relational Databases, Database Management Systems, Query Languages, Data Maintenance, Performance Tuning
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Matplotlib, Seaborn, Plot (Graphics), Pandas (Python Package), NumPy, Data Visualization Software, Code Reusability, Data Visualization, Statistical Visualization, Programming Principles, Computer Science, Computer Programming, Data Wrangling, Data Manipulation, Functional Design, Data Science, Package and Software Management, Python Programming, Exploratory Data Analysis, Computational Logic
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Entrepreneurship, Market Opportunities, Market Analysis, Innovation, Target Market, Design Thinking, Go To Market Strategy, Product Strategy, Customer Engagement, Entrepreneurial Finance, Business Modeling, Business Strategies
Intermediate · Course · 1 - 3 Months

Yonsei University
Skills you'll gain: Political Sciences, Policy Analysis, Economic Development, Social Sciences, International Relations, Policy Development, Public Policies, Diplomacy, Economics, Governance
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: R (Software), Data Import/Export, Package and Software Management, R Programming, Data Structures, Software Installation, Data Analysis Software, Data Analysis, Data Science
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Virtualization and Virtual Machines, Virtualization, Hardware Troubleshooting, Network Troubleshooting, Computer Hardware, Cloud Computing, Virtual Machines, Technical Support and Services, Technical Support, General Networking, End User Training and Support, Peripheral Devices, Networking Hardware, System Configuration, Data Storage, Network Administration, Information Technology, Hardware Architecture, Data Storage Technologies, Configuration Management
Advanced · Course · 1 - 3 Months
The University of Edinburgh
Skills you'll gain: Liberal Arts, Science and Research, Anthropology, Biology, World History, Scientific Methods, Ethical Standards And Conduct, Deductive Reasoning, Physics
Beginner · Course · 1 - 3 Months

Rice University
Skills you'll gain: electromagnetics, Electrical Engineering, Physics, Mechanics, Electrical Systems, Calculus, Integral Calculus, Engineering Calculations, Scientific Visualization, Mathematical Modeling, Problem Solving, Applied Mathematics
Intermediate · Course · 1 - 4 Weeks
Stanford Online
Skills you'll gain: Bayesian Network, Applied Machine Learning, Machine Learning Algorithms, Bayesian Statistics, Machine Learning Methods, Markov Model, Statistical Machine Learning, Machine Learning, Network Model, Unsupervised Learning, Statistical Modeling, Model Training, Probability Distribution, Model Optimization, Statistical Methods, Probability & Statistics, Algorithms
Advanced · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Cloud Infrastructure, Cloud Computing Architecture, Cloud Computing, Data Management, Cloud Platforms, Cloud Services, Google Cloud Platform, Cloud Technologies, Data Governance, Big Data, Analytics, Data Analysis, Cloud Management, Cloud Storage, Data Warehousing, Data Storage, Disaster Recovery, Digital Transformation, Data Structures, Data Collection
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Machine Learning Algorithms, Dashboard Creation, Classification Algorithms, Interactive Data Visualization, Data Visualization Software, Model Evaluation, Applied Machine Learning, Machine Learning, Scikit Learn (Machine Learning Library), Plot (Graphics), Web Applications, Logistic Regression, Predictive Modeling, Model Training, Data Science, Python Programming, Fine-tuning, Model Optimization, Pandas (Python Package)
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Patch Management, Microsoft Azure, Cloud Management, Identity and Access Management, Cloud Infrastructure, Cloud Computing, Infrastructure As A Service (IaaS), Cloud Services, Cloud Deployment, Disaster Recovery, Virtual Machines, Kubernetes, Cloud Platforms, Role-Based Access Control (RBAC), Virtual Networking, Windows PowerShell, System Monitoring, Infrastructure as Code (IaC), Application Deployment, Load Balancing
Beginner · Specialization · 3 - 6 Months