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: Object Oriented Programming (OOP), Java Programming, File I/O, Object Oriented Design, Java, Development Environment, Computer Programming, Programming Principles, Data Persistence, Integrated Development Environments, Memory Management, Debugging, File Management, Application Development, Data Structures
Beginner · Course · 1 - 3 Months

Skills you'll gain: Matplotlib, Plot (Graphics), Statistical Visualization, Data Visualization Software, Interactive Data Visualization, Data Presentation, Scatter Plots, Jupyter, Histogram, Box Plots, Graphing, Computer Programming, Development Environment, Animations
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, Software Installation, Payment Systems, HTML and CSS, Content Management Systems, Code Reusability, Software Architecture, Web Design and Development, System Implementation, UI Components, System Configuration, Open Source Technology, System Requirements
Beginner · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Web Design and Development, Responsive Web Design, HTML and CSS, Web Design, Web Content Accessibility Guidelines, Front-End Web Development, Web Development, Cascading Style Sheets (CSS), Web Development Tools, Hypertext Markup Language (HTML), React.js, User Interface (UI), JavaScript Frameworks, Web Applications, Javascript, Web Servers, Server Side, Software Development Tools, Semantic Web, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Customer Engagement, Customer Retention, Campaign Management, Cross-Channel Marketing, Driving engagement, Marketing Analytics, AI Personalization, Loyalty Programs, Brand Loyalty, Customer Relationship Building, Customer Data Management, Target Audience, Advertising Campaigns, Data-Driven Marketing, Brand Marketing, Email Marketing, Marketing, Digital Marketing, Analytics, Business Reporting
Beginner · Course · 3 - 6 Months

Coursera
Skills you'll gain: Competitive Analysis, Product Strategy, Competitive Intelligence, Market Analysis, Data-Driven Decision-Making, Product Management, Business Strategy, Strategic Thinking, Market Intelligence, Market Research, Strategic Decision-Making, Business Analysis, Gap Analysis, Market Dynamics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Open Web Application Security Project (OWASP), Application Security, Secure Coding, Threat Modeling, Software Development Life Cycle, DevSecOps, Security Testing, Application Deployment, Authentications, Hardening, Security Controls, Software Testing, Vulnerability Assessments, Vulnerability Scanning, CI/CD, Dependency Analysis
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Electronic Hardware, Electronics Engineering, Hardware Design, Electronic Components, Electronic Systems, Electronics, Schematic Diagrams, Electrical Engineering, Engineering Design Process, Diagram Design, Wiring Diagram, Computer-Aided Design, Drafting and Engineering Design, Design Software, Verification And Validation, Simulation and Simulation Software, Manufacturing and Production, Simulations
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Jenkins, CI/CD, Docker (Software), Continuous Delivery, Containerization, Git (Version Control System), Continuous Deployment, Code Review
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Unity Engine, UI Components, User Interface (UI), Responsive Web Design, User Interface (UI) Design, Animation and Game Design, Object Oriented Programming (OOP), Game Design, Scripting, Video Game Development, C# (Programming Language), Object Oriented Design, Animations, Interactive Design, User Experience, Course Development, Interactive Learning, Mechanics
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Data-Driven Marketing, Email Marketing, Goal Setting, Marketing Analytics, Marketing Strategies, Marketing Effectiveness, Data-Driven Decision-Making, Campaign Management, Performance Metric, Dashboard, Key Performance Indicators (KPIs), Performance Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Prompt Patterns, AWS SageMaker, Generative AI Agents, AI Integrations, Amazon Web Services, Infrastructure as Code (IaC), AI Security, AI Enablement, Generative AI, DevOps, IT Automation, AI Personalization, AWS CloudFormation, AI Workflows, Computer Programming, Computer Programming Tools, Artificial Intelligence, Autoencoders, Building Codes
Beginner · Specialization · 3 - 6 Months