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.

University of Colorado System
Skills you'll gain: Unity Engine, Video Game Development, C# (Programming Language), Game Design, Object Oriented Programming (OOP), Application Design, Computational Thinking, Software Design, Programming Principles, Application Development
Intermediate · Course · 1 - 4 Weeks
Rice University
Skills you'll gain: Theoretical Computer Science, Computer Science, Computer Programming, Computational Thinking, Programming Principles, Debugging, Algorithms, Python Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: JSON, Restful API, HTML and CSS, Web Design, Cloud API, Web Development, Application Programming Interface (API), Web Applications, Responsive Web Design, Real Time Data, Javascript
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Java Platform Enterprise Edition (J2EE), Object-Relational Mapping, Java, Application Servers, Middleware, Application Deployment, Enterprise Architecture, Server Side, Transaction Processing, Business Logic
Intermediate · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: C (Programming Language), Computer Hardware, Computer Programming, Computer Architecture, Computational Thinking, Data Structures, Algorithms, File Management, Operating Systems, Program Development, Debugging
Build toward a degree
Beginner · Course · 1 - 3 Months

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

Skills you'll gain: Keras (Neural Network Library), Tensorflow, Applied Machine Learning, Deep Learning, Machine Learning, Computer Vision
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: SQL, PostgreSQL, Query Languages
Advanced · Guided Project · Less Than 2 Hours

Vanderbilt University
Skills you'll gain: SQL, Generative AI, Data Visualization, Interactive Data Visualization, Database Management, Data Capture, Data Analysis, Debugging, Exploratory Data Analysis, ChatGPT, Prompt Engineering, Databases, Data Quality
Beginner · Course · 1 - 4 Weeks

Tecnológico de Monterrey
Skills you'll gain: Customer Engagement, Target Market, Digital Advertising, Customer Retention, Search Engine Optimization, Digital Media Strategy, Lead Generation, Digital Marketing, Marketing Strategies, Customer Acquisition Management, Customer experience strategy (CX), Cash Flows, Web Analytics, Market Research
Beginner · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Mechanics, Physics, Mechanical Engineering, Engineering Calculations, Calculus, Engineering Analysis, Physical Science, Mathematical Modeling, Problem Solving
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Adobe XD, Prototyping, User Experience Design, Usability Testing, UI/UX Research, Figma (Design Software), User Experience, Presentations, Responsive Web Design, Information Architecture, User Story, Storyboarding, User Research, Design, Design Research, Persona (User Experience), User Interface and User Experience (UI/UX) Design, Web Design, User Centered Design, Data Ethics
Beginner · Professional Certificate · 3 - 6 Months