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: Figma (Design Software), User Experience Design, UI Components, Responsive Web Design, Animations, Web Content Accessibility Guidelines, User Interface (UI) Design, Design Strategies, Prototyping, Collaborative Software, Software Documentation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: API Design, Restful API, Application Programming Interface (API), Application Deployment, Spring Boot, Spring Framework, Back-End Web Development, Data Modeling, Database Design, Software Architecture, Object-Relational Mapping, System Configuration, Data Persistence, Business Logic
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Usability Testing, User Centered Design, User Experience Design, Responsive Web Design, Prototyping, Interaction Design, Software Documentation, Mockups, Wireframing, Design Software, User Interface (UI) Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Spring Boot, Configuration Management, API Gateway, JUnit, Java Programming, Java, Application Design, Unit Testing, Middleware, Service Oriented Architecture, Software Design Patterns, Authentications
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Figma (Design Software), Prototyping, Responsive Web Design, UI Components, Layout Design, User Interface (UI) Design, Version Control
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Collaborative Software, Design, Graphic and Visual Design, Graphic and Visual Design Software, Graphic Design, Data Sharing, User Accounts, Marketing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Responsive Web Design, Web Design, Typography, Front-End Web Development, Cascading Style Sheets (CSS), UI Components, Figma (Design Software), Hypertext Markup Language (HTML), User Interface (UI) Design, User Interface (UI), Web Content Accessibility Guidelines, Usability, Animations
Intermediate · Course · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Recurrent Neural Networks (RNNs), Artificial Intelligence and Machine Learning (AI/ML), Vision Transformer (ViT), PyTorch (Machine Learning Library), Keras (Neural Network Library), Large Language Modeling, Natural Language Processing, Embeddings, Network Model, Network Architecture
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Web Services, Restful API, Apache Maven, Spring Boot, Spring Framework, Gradle, Simple Object Access Protocol (SOAP), Java Platform Enterprise Edition (J2EE), Java, API Design, Application Frameworks, Secure Coding, Object-Relational Mapping, Data Persistence, JSON, Extensible Markup Language (XML)
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Marketing Budgets, Target Audience, Campaign Management, Facebook, Sales Pipelines, Google Ads, Online Advertising, Instagram, Performance marketing, Digital Advertising, Paid media, Advertising Campaigns, E-Commerce, Advertising, Budget Management, Social Media Campaigns, Account Management, Apple iOS
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Debugging, HTML and CSS, Web Development, Mobile Development, Database Application, Responsive Web Design, Real Time Data, User Interface (UI) Design, Secure Coding, Javascript, Data Storage Technologies
Intermediate · Course · 1 - 4 Weeks

Dassault Systèmes
Skills you'll gain: SolidWorks (CAD), 3D Modeling, Computer-Aided Design, Assembly Drawing, Mechanical Design, Engineering Design Process, Mechanical Engineering
Beginner · Course · 1 - 4 Weeks