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.

Columbia University
Skills you'll gain: Portfolio Management, Investment Management, Portfolio Risk, Asset Management, Market Liquidity, Risk Management, Financial Market, Equities, Risk Analysis, Transaction Processing, Securities Trading, Financial Analysis, Statistical Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Node.JS, Restful API, Database Design, Database Application, Databases, NoSQL, MongoDB, Back-End Web Development, Performance Tuning, API Design, Cloud Applications, Authentications, Server Side, Middleware, Scalability, Application Deployment, Web Applications, Web Development, Debugging, Javascript
Intermediate · Course · 1 - 3 Months

Michigan State University
Skills you'll gain: Game Design, Unity Engine, Prototyping, Video Game Development, 3D Modeling, Computer Graphics, Multimedia, Animations, Scripting
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Video Editing, Adobe Premiere, Storytelling, Post-Production, Content Creation, TikTok, Timelines, Color Matching, File Management
Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Social Studies, Social Sciences, Sociology, Anthropology, Media and Communications, Cultural Diversity, Environment and Resource Management
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Computer Vision, Convolutional Neural Networks, Image Analysis, Tensorflow, Deep Learning, Artificial Neural Networks, Applied Machine Learning, Machine Learning, Model Evaluation, Performance Tuning, Classification Algorithms
Build toward a degree
Intermediate · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Version Control, Integrated Development Environments, GitHub, Git (Version Control System), Internet Of Things, Software Development Tools, Embedded Systems, Prototyping, Linux, Operating Systems, Peripheral Devices, Command-Line Interface, Computer Hardware
Mixed · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Data Visualization, Surveys, Tidyverse (R Package), Data Analysis, Demography, Public Administration, Policy Analysis, Public Policies, R Programming, Statistical Programming, Data Transformation, Data Cleansing, Data Manipulation
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: ASP.NET, .NET Framework, Model View Controller, Web Applications, Middleware, Debugging, Application Deployment, Application Development, Development Environment, Software Testing, Cross Platform Development, Software Architecture, Network Routing, Open Source Technology, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

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

Skills you'll gain: Responsive Web Design, HTML and CSS, JSON, React.js, Jest (JavaScript Testing Framework), Hypertext Markup Language (HTML), Javascript, Bootstrap (Front-End Framework), Ajax, Web Design, Web Development Tools, Web Design and Development, Cascading Style Sheets (CSS), Software Testing, UI Components, Web Development, Front-End Web Development, Mobile Development, JavaScript Frameworks, Test Case
Beginner · Specialization · 3 - 6 Months
Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Cell Biology, Physiology, Immunology, Biochemistry, Pathology, Endocrinology, Pharmacology, Molecular Biology, Chronic Diseases, Oncology
Beginner · Course · 1 - 3 Months