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.

Dartmouth College
Skills you'll gain: C (Programming Language), Software Documentation, Programming Principles, Computer Programming, Embedded Software, Computer Programming Tools, Computational Logic, Linux
★ 4.6 (270) · Beginner · Course · 1 - 3 Months
DeepLearning.AI
Skills you'll gain: Disaster Recovery, Image Analysis, Data Ethics, Responsible AI, Emergency Response, Mitigation, Text Mining, Natural Language Processing, Artificial Intelligence, Applied Machine Learning, Computer Vision, Spatial Data Analysis, Model Evaluation
★ 4.7 (321) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Linear Algebra, Algebra, Applied Mathematics, Advanced Mathematics, Artificial Intelligence and Machine Learning (AI/ML), Engineering Analysis, Mathematical Theory & Analysis, Geometry, Applied Machine Learning, Markov Model
★ 4.7 (237) · Beginner · Specialization · 3 - 6 Months

The University of Edinburgh
Skills you'll gain: Educational Materials, Learning Strategies, Instructional Design, Web Content Accessibility Guidelines, Web Content, Digital pedagogy, Education Software and Technology, Diversity Awareness, Cultural Diversity, Scripting
★ 4.5 (232) · Intermediate · Course · 1 - 4 Weeks

Erasmus University Rotterdam
Skills you'll gain: Econometrics, Data Collection, Regression Analysis, Statistical Methods, Survey Creation, Data Compilation, Quantitative Research, Data Wrangling, Statistical Hypothesis Testing, Descriptive Statistics, Statistical Modeling, Statistical Analysis, Correlation Analysis, Probability Distribution
★ 4.1 (149) · Beginner · Course · 1 - 3 Months

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, Data Science, Package and Software Management, Python Programming, Exploratory Data Analysis, Computational Logic, Software Engineering
★ 4.7 (315) · Beginner · Specialization · 1 - 3 Months

Scrimba
Skills you'll gain: Responsive Web Design, HTML and CSS, Hypertext Markup Language (HTML), Typography, Cascading Style Sheets (CSS), Web Design, Web Development Tools, Browser Compatibility, Front-End Web Development, Application Deployment, Web Design and Development, Web Development, Computer Programming Tools, Animations, Development Environment, Software Development Tools, UI Components, Javascript, Maintainability, User Interface (UI)
★ 4.6 (250) · Beginner · Specialization · 3 - 6 Months
Stanford University
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, Model Training, Probability Distribution, Model Optimization, Statistical Methods, Probability & Statistics, Algorithms
★ 4.6 (305) · Advanced · Course · 1 - 3 Months

Coursera
Skills you'll gain: Video Editing, TikTok, Content Performance Analysis, Canva (Software), Photo/Video Production and Technology, Visual Storytelling, Content Scheduling, Graphic and Visual Design, Graphic Design, Graphic and Visual Design Software, Content Optimization, ChatGPT, Storytelling, Social Media Content, Content Creation, Videography, Social Media Strategy, Analytics, Video Production, Marketing
★ 4.4 (206) · Beginner · Specialization · 3 - 6 Months

Yonsei University
Skills you'll gain: Cash Flow Forecasting, Financial Forecasting, Cash Flows, Business Valuation, Excel Formulas, Microsoft Excel, Capital Budgeting, Forecasting, Finance, Financial Modeling, Financial Analysis, Corporate Finance
★ 4.3 (342) · Beginner · Course · 1 - 4 Weeks
Saïd Business School, University of Oxford
Skills you'll gain: Responsible AI, AI Enablement, Artificial Neural Networks, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), AI Product Strategy, AI literacy, Generative AI, Generative AI Agents, Machine Learning Methods, Deep Learning, Machine Learning, LLM Application, Convolutional Neural Networks, Supervised Learning, Fraud detection, Reinforcement Learning, Ethical Standards And Conduct, Unsupervised Learning
★ 4.8 (225) · Beginner · Course · 1 - 3 Months

Technical University of Munich (TUM)
Skills you'll gain: Cost Accounting, Corporate Accounting, Management Accounting, Accounting Systems, Resource Allocation, Depreciation, Production Process, Financial Accounting, Fixed Asset
★ 4.7 (227) · Beginner · Course · 1 - 4 Weeks