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.

Skills you'll gain: Responsive Web Design, No-Code Development, Web Design, Content Management, Web Design and Development, Web Content, Web Development
Beginner · Guided Project · Less Than 2 Hours

University of California San Diego
Skills you'll gain: Bioinformatics, Dimensionality Reduction, Unsupervised Learning, Molecular Biology, Data Preprocessing, Machine Learning, Data Analysis Software, Life Sciences, Anthropology
Intermediate · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Peer Review, Financial Management, Financial Modeling, Financial Data, Financial Statement Analysis, Investment Management, Financial Analysis, Financial Forecasting, Data Storytelling, Mergers & Acquisitions, Cash Flows, Business Valuation, Case Studies, Risk Management, Corporate Strategy, Risk Analysis
Intermediate · Course · 1 - 3 Months

Khalifa University
Skills you'll gain: Language Learning, Language Competency, Oral Comprehension, Literacy, Vocabulary, Grammar
Beginner · Course · 1 - 3 Months

Imperial College London
Skills you'll gain: Tensorflow, Autoencoders, Generative Model Architectures, Deep Learning, Applied Machine Learning, Image Analysis, Bayesian Statistics, Probability Distribution, Unsupervised Learning, Sampling (Statistics)
Advanced · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: SQL, Oracle Databases, PL/SQL, Database Management, Relational Databases, Database Design, Databases, Data Modeling
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Cloud-Native Computing, Software Engineering, Distributed Computing, Cloud Storage, Extract, Transform, Load, Google Cloud Platform, Big Data, Cloud Computing, Serverless Computing, Cloud Technologies, Data Lakes, Data Pipelines, Amazon Web Services, Command-Line Interface, Python Programming, Data Governance, NumPy, Rust (Programming Language)
Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: jQuery, Javascript and jQuery, UI Components, Scripting, Cascading Style Sheets (CSS), HTML and CSS, Javascript, Hypertext Markup Language (HTML), Web Development Tools, Animations, User Interface (UI) Design
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Big Data, Network Model, Digital Assets, Business Intelligence, Information Management, Data Analysis, Asset Management, Business Analytics, Advanced Analytics, Business Valuation, Data Strategy, Data-Driven Decision-Making, Business Economics, Information Technology, Competitive Intelligence, Data Management, Innovation, Accounting
Build toward a degree
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Vibrations, Mechanics, Torque (Physics), Control Systems, Engineering Analysis, Differential Equations, Mathematical Modeling, Engineering, Simulation and Simulation Software, Applied Mathematics, Linear Algebra, Physics, Calculus
Advanced · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, HTML and CSS, Bootstrap (Front-End Framework), Web Design, Browser Compatibility, User Interface and User Experience (UI/UX) Design, Javascript
Mixed · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Cloud Computing, Cloud Hosting, Cost Reduction, Cost Management, Database Management, Load Balancing, Virtual Private Networks (VPN), Resource Management
Beginner · Specialization · 1 - 3 Months