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, Wide Area Networks, Network Security, Network Routing, Data Centers, Virtual Networking, TCP/IP, Network Administration, Open Shortest Path First (OSPF), Network Protocols, Network Switches, Virtual Machines, Virtual Local Area Network (VLAN), Virtualization, Virtual Private Networks (VPN), Wireless Networks, Network Monitoring, Network Troubleshooting, Network Architecture, Hardware Troubleshooting
Beginner · Specialization · 3 - 6 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, User Experience Design, Browser Compatibility, User Interface (UI), User Interface and User Experience (UI/UX) Design, HTML and CSS, Data Import/Export, Verification And Validation, User Interface (UI) Design, Server Side, Semantic Web
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Unity Engine, Debugging, C# (Programming Language), Video Game Development, Development Testing, Scripting, Game Design, Development Environment, Event-Driven Programming, Software Installation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Meta Ads Manager, Conversion Funnel Analysis, Marketing Budgets, Target Audience, Campaign Management, Facebook, 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

Skills you'll gain: Mobile Development, Cross Platform Development, .NET Framework, Authentications, User Interface (UI), Application Programming Interface (API), UI Components, C# (Programming Language), API Design, Development Environment, Identity and Access Management, Authorization (Computing), Network Troubleshooting, Role-Based Access Control (RBAC), Software Design Patterns
Intermediate · Course · 1 - 3 Months

Skills you'll gain: TCP/IP, Network Routers, Network Routing, Network Security, Remote Access Systems, Network Administration, Network Protocols, Network Infrastructure, Network Troubleshooting, Network Switches, System Configuration
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, Flutter (Software), Mobile Development, Application Development, Data Validation, Application Design, User Interface (UI) Design, User Interface (UI), Cross Platform Development, UI Components, Interactive Design, Software Design, Interaction Design, Scalability, Usability, Verification And Validation, Maintainability
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Selenium (Software), JUnit, HTML and CSS, Test Automation, Hypertext Markup Language (HTML), Software Testing, Web Design and Development, Test Script Development, Test Tools, Web Development, Unit Testing, Software Quality Assurance, Java, Data Structures, Java Programming, Cascading Style Sheets (CSS), Test Execution Engine, Code Reusability, Debugging, Software Design Patterns
Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Scalability, Performance Measurement, Performance Analysis, Simulations, Algorithms, Performance Metric, Simulation and Simulation Software, Complex Problem Solving, Theoretical Computer Science, Python Programming, Data Structures, Software Engineering
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Design Software, Graphical Tools, Graphics Software, Graphic and Visual Design Software
Beginner · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Embedded Systems, Embedded Software, Automation Engineering, Machine Controls, Control Systems, Robotics, Cyber Engineering, Internet Of Things, C (Programming Language), Automation, Engineering, Scientific, and Technical Instruments, Simulation and Simulation Software, Systems Integration, Cloud Computing, Integrated Development Environments, Electronic Components, Computer Hardware, Matlab
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Community Development, Climate Change Adaptation, Sustainable Development, Environmental Policy, Policy Analysis, Sustainable Technologies, Climate Change Mitigation, Policy Development, Public Policies, Public Affairs, Economics, Policy, and Social Studies, Energy and Utilities, Community Outreach, Emerging Technologies, Advocacy, Scalability, Technology Solutions, Case Studies
Beginner · Course · 1 - 3 Months