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: Model View Controller, GitHub, Version Control, .NET Framework, Git (Version Control System), ASP.NET, Application Frameworks, Software Configuration Management, Development Environment, Microsoft Visual Studio, Bootstrap (Front-End Framework), Microsoft Development Tools, HTML and CSS
Beginner · Course · 1 - 3 Months

Skills you'll gain: MySQL, Data Migration, Database Administration, Stored Procedure, User Provisioning, Data Validation
Advanced · Project · Less Than 2 Hours

Politecnico di Milano
Skills you'll gain: ChatGPT, Calculus, Derivatives, Mathematical Software, Advanced Mathematics, Applied Mathematics, Mathematics Education, Machine Learning Algorithms, Algebra, Geometry, Mathematical Theory & Analysis
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Classification Algorithms, Data Preprocessing, Model Deployment, Model Evaluation, Decision Tree Learning, Regression Analysis, Logistic Regression
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Git (Version Control System), Version Control, GitHub, Jupyter, Python Programming, Data Science, Generative AI, Development Environment, Computer Programming, Data Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Design Software, Graphic and Visual Design Software
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Mobile Security, Computer Literacy, digital literacy, End User Training and Support, Calendar Management, Telecommunications, Self Service Technologies, Personal Development, Digital Communications, Photography, Information Privacy, Communication
Beginner · Course · 1 - 4 Weeks

JetBrains
Skills you'll gain: Large Language Modeling, Generative AI Agents, Software Development Tools, IntelliJ IDEA, Artificial Intelligence, AI Product Strategy, AI Workflows, Artificial Intelligence and Machine Learning (AI/ML), Integrated Development Environments, Agentic systems, Software Development, Generative AI, Software Development Life Cycle
Beginner · Course · 1 - 3 Months

University of Virginia
Skills you'll gain: Model View Controller, Debugging, Software Design, User Interface and User Experience (UI/UX) Design, User Interface (UI), UI Components, Web Applications, Algorithms, JSON, Program Development, User Story, Javascript, Event-Driven Programming, Automation, Data Structures
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Frontend Performance, React.js, Web Development Tools, TypeScript, Front-End Web Development, JavaScript Frameworks, Build Tools, Development Environment, Application Deployment
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Apple iOS, Swift Programming, Apple Xcode, Mobile Development, User Interface (UI), User Interface (UI) Design, Debugging, Data Persistence, Data Management, Programming Principles, Application Programming Interface (API), Data Storage, Authentications
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), Web Applications, Javascript, Web Development Tools, Restful API, Application Programming Interface (API), Real Time Data, Software Development
Intermediate · Course · 1 - 4 Weeks