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: Mobile Development, Cross Platform Development, .NET Framework, Authentications, User Interface (UI), Application Programming Interface (API), C# (Programming Language), Microsoft Visual Studio, Development Environment, Program Development, Data Access, Software Design Patterns
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Unix Commands, Unix, Unix Shell, Remote Access Systems, Scripting, Systems Administration, Operating System Administration, Command-Line Interface, IT Automation, Linux, User Accounts, File Management, File Systems, Role-Based Access Control (RBAC), File Transfer Protocol (FTP)
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Network Performance Management, Policy Development, Policy Analysis, Public Policies, Economics, Policy, and Social Studies, Business Economics, Socioeconomics, digital literacy, Telecommunications, Regulation and Legal Compliance, Technical Writing
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Hypertext Markup Language (HTML), Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Web Development Tools, Web Design, Development Environment, Web Design and Development, Web Content Accessibility Guidelines, Front-End Web Development, Web Development, Web Content, Semantic Web, Integrated Development Environments, Typography
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Structures, Java Programming, Java, Theoretical Computer Science, Programming Principles, Algorithms, Object-Relational Mapping, Computer Programming Tools
Intermediate · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Backlogs, Sprint Planning, Prioritization, Scope Management, Agile Project Management, Agile Methodology, Scheduling, Capacity Management, Project Management, Workflow Management, User Story, Team Management, Timelines
Beginner · Course · 1 - 3 Months
Skills you'll gain: Electrical Wiring, Wire Harnesses, Engineering Documentation, Schematic Diagrams, Engineering Drawings, Electrical Systems, Blueprint Reading, Document Management, Software Documentation, Design Software, Technical Communication, Electrical Equipment, Electrical Safety, Technical Standard, Analysis
Intermediate · Course · 1 - 4 Weeks
University of Colorado Boulder
Skills you'll gain: Vibrations, Control Systems, Mechanics, Torque (Physics), Mechanical Engineering, Engineering Analysis, Engineering Calculations, Differential Equations, Mathematical Modeling, Simulation and Simulation Software
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: LangChain, Development Environment, Agentic systems, AI Workflows, Artificial Intelligence, Tool Calling, LLM Application, Database Systems, Database Management, SQL, Database Application, OpenAI API, Software Development Tools, Prompt Engineering
Intermediate · Course · 1 - 3 Months

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

Microsoft
Skills you'll gain: ASP.NET, .NET Framework, Responsive Web Design, HTML and CSS, C# (Programming Language), Web Applications, Web Development, Javascript and jQuery, UI Components, Application Frameworks, Bootstrap (Front-End Framework), Development Environment, Restful API, Microsoft Development Tools, React Redux, Model View Controller, Middleware
Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Python Programming, Simulations, Debugging, Pandas (Python Package), Program Development, Unit Testing, Test Case, Data Science, Software Design, Computational Thinking, Integration Testing, Computer Programming, Object Oriented Programming (OOP), Data Manipulation, Software Development
Beginner · Course · 1 - 4 Weeks