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, Network Protocols, Open Shortest Path First (OSPF), Virtual Local Area Network (VLAN), Network Infrastructure, TCP/IP, Border Gateway Protocol, Network Routers, Computer Networking, Wireless Networks, Network Routing, Network Troubleshooting, Network Switches, Local Area Networks
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unit Testing, React.js, Webpack, Angular, Web Development Tools, JavaScript Frameworks, Debugging, Web Applications, Vue.JS, Object Oriented Programming (OOP), JSON
Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Networking Hardware, General Networking, Network Infrastructure, Local Area Networks, OSI Models, Network Protocols, Network Troubleshooting, Dynamic Host Configuration Protocol (DHCP), TCP/IP, Network Architecture, Computer Networking, Network Model, Wireless Networks, Network Security, Network Switches, Virtual Local Area Network (VLAN)
Beginner · Course · 1 - 4 Weeks

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

University of Maryland, College Park
Skills you'll gain: AI Product Strategy, Product Lifecycle Management, Responsible AI, Product Strategy, Governance, Product Management, Innovation, Product Roadmaps, Product Marketing, Organizational Structure, Business Strategy, Enterprise Risk Management (ERM), Customer experience strategy (CX), Value Propositions, Business Metrics, Customer Insights, Performance Metric
Beginner · Course · 1 - 3 Months

Skills you'll gain: Hypertext Markup Language (HTML), HTML and CSS, Cascading Style Sheets (CSS), Web Design, Web Design and Development, Git (Version Control System), Front-End Web Development, Browser Compatibility, Mobile Development, Javascript, Animations, User Interface (UI), Web Development Tools, Web Content Accessibility Guidelines, Typography, Semantic Web, GitHub, Version Control, Application Deployment, Development Environment
Beginner · Specialization · 3 - 6 Months

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

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

Northeastern University
Skills you'll gain: User Centered Design, Innovation, User Research, Digital Transformation, Platform As A Service (PaaS), Software As A Service, Design Thinking, Service Design, Solution Design, Business Strategy, Business Development, Case Studies, Health Technology, Competitive Analysis, Value Propositions, New Product Development, Product Strategy
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

Skills you'll gain: Test Tools, Development Testing, Test Case, .NET Framework, Test Automation, Integration Testing, Microsoft Visual Studio, Debugging, C# (Programming Language), Mockups
Beginner · Course · 1 - 3 Months

Skills you'll gain: PHP (Scripting Language), File I/O, Web Applications, Usability, Information Architecture, Responsive Web Design, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Front-End Web Development, MySQL, Web Design and Development, User Experience Design, Browser Compatibility, User Interface (UI), HTML and CSS, Data Import/Export, Verification And Validation, User Interface (UI) Design, Server Side, Web Development
Beginner · Specialization · 1 - 3 Months