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.

Whizlabs
Skills you'll gain: Data Collection, AWS SageMaker, Feature Engineering, Amazon Web Services, Data Migration, Data Cleansing, Data Manipulation, Jupyter, Dimensionality Reduction, Exploratory Data Analysis, Unsupervised Learning, Machine Learning
Beginner · Course · 1 - 4 Weeks

Tecnológico de Monterrey
Skills you'll gain: Negotiation, Strategic Decision-Making, Cultural Diversity, Strategic Thinking, Communication Strategies, Conflict Management, Complex Problem Solving, Plan Execution
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: LangGraph, Generative AI Agents, Agentic systems, LLM Application, OpenAI, Artificial Intelligence, AI Personalization, Responsible AI, Tool Calling, Query Languages, User Interface (UI), Prompt Engineering, Large Language Modeling, Natural Language Processing, Python Programming, Automation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: 3D Modeling, 3D Assets, Graphical Tools, Computer Graphics, Animation and Game Design, File Management, Content Management, User Interface (UI)
Beginner · Course · 3 - 6 Months

Coursera
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, Browser Compatibility, Hypertext Markup Language (HTML), Web Development Tools, Web Design, Web Development
Intermediate · Guided Project · Less Than 2 Hours
Codio
Skills you'll gain: Apache Maven, JSON, JUnit, Java Programming, Java, Restful API, Integrated Development Environments, Programming Principles, Package and Software Management, Data Structures, Object Oriented Programming (OOP), Network Protocols, Unit Testing, Style Guides
Intermediate · Course · 1 - 4 Weeks

Saïd Business School, University of Oxford
Skills you'll gain: Financial Services, Artificial Intelligence, FinTech, Financial Regulation, Banking, Fraud detection, Machine Learning, Data Ethics, Natural Language Processing, AI Personalization, Deep Learning, Credit Risk, Data-Driven Decision-Making, Case Studies, Reinforcement Learning, Big Data, Algorithms, Data Management, Customer Service
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: UI/UX Research, User Interface and User Experience (UI/UX) Design, User Experience, User Centered Design, Usability, Responsive Web Design, User Flows, User Interface (UI), UI Components, Figma (Design Software), Wireframing, Design Research, Prototyping, Persona (User Experience), Usability Testing, Experience Design, Human Centered Design, Ideation, Brainstorming, Animations
Beginner · Specialization · 3 - 6 Months

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

University of California San Diego
Skills you'll gain: Computational Thinking, Education Software and Technology, Programming Principles, Debugging, Computer Programming, Algorithms, Development Environment, Computer Science, Brainstorming
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Data Import/Export, Web Scraping, Tidyverse (R Package), Data Integration, Data Manipulation, Data Transformation, Relational Databases, Google Sheets, Unstructured Data, R Programming, Extensible Markup Language (XML), Spreadsheet Software, Databases, SQL, Application Programming Interface (API)
Beginner · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Health Informatics, Deep Learning, Machine Learning, Health Care, Artificial Neural Networks, Supervised Learning, Artificial Intelligence and Machine Learning (AI/ML), Computer Vision, Medical Science and Research, Unsupervised Learning, Program Development
Advanced · Course · 1 - 4 Weeks