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: Routing Protocols, Command-Line Interface, Open Shortest Path First (OSPF), Network Monitoring, Virtual Local Area Network (VLAN), Border Gateway Protocol, Network Performance Management, Network Routing, Wireless Networks, Network Administration, Network Infrastructure, Local Area Networks, Event Monitoring, Network Switches, Network Troubleshooting, Network Protocols, Network Routers, TCP/IP, Network Architecture, Network Security
Intermediate · Course · 3 - 6 Months

Scrimba
Skills you'll gain: Responsive Web Design, UI Components, Cascading Style Sheets (CSS), HTML and CSS, Web Design, Front-End Web Development, User Interface (UI), Debugging, Web Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Object Oriented Design, Eclipse (Software), Computer Programming, Development Environment, Integrated Development Environments, Data Structures, Software Installation
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Semiconductors, High Voltage, Power Electronics, Electronics Engineering, Electronics, Electronic Components, Electrical Engineering, Mathematical Modeling, Simulation and Simulation Software, Engineering Calculations
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Cloud Management, Dashboard, Resource Utilization, Financial Management, Cost Management, Anomaly Detection, Serverless Computing, Cloud Computing Architecture, Forecasting, Containerization, Organizational Change, Persona Development, Stakeholder Engagement, Presentations, Generative AI
Intermediate · Course · 1 - 4 Weeks

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

Skills you'll gain: Animations, Adobe After Effects, File Management, Motion Graphics, Video Editing, Timelines, Graphics Software
Mixed · Course · 1 - 4 Weeks
Skills you'll gain: Generative AI, Financial Forecasting, Predictive Modeling, Financial Modeling, Financial Data, Market Data, Predictive Analytics, Financial Analysis, Portfolio Management, Advanced Analytics, Risk Management, Spreadsheet Software, Financial Reporting, Interactive Data Visualization, Analysis, Power BI, Automation
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Web Applications, Front-End Web Development, Semantic Web, Javascript, Web Content Accessibility Guidelines, Data Storage Technologies, Application Security, User Interface (UI), Data Validation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Routing Protocols, Network Protocols, Open Shortest Path First (OSPF), Virtual Local Area Network (VLAN), Network Infrastructure, TCP/IP, Border Gateway Protocol, Computer Networking, General Networking, Wireless Networks, Network Routing, Network Troubleshooting, Network Administration, Network Switches, Local Area Networks
Intermediate · Course · 1 - 4 Weeks

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

University of the Arts London
Skills you'll gain: PyTorch (Machine Learning Library), Artificial Intelligence, Creativity, Artificial Intelligence and Machine Learning (AI/ML), Creative Thinking, Generative AI, Artificial Neural Networks, Responsible AI, Augmented Reality, Creative Problem-Solving, Creative Design, Data Ethics, Machine Learning, Deep Learning, Critical Thinking
Beginner · Course · 1 - 4 Weeks