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: Virtual Local Area Network (VLAN), Open Shortest Path First (OSPF), Network Routing, Network Switches, Routing Protocols, Network Routers, Network Architecture, Local Area Networks, Networking Hardware, Network Troubleshooting, Network Protocols, Network Security, System Configuration
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Rmarkdown, Plot (Graphics), Statistical Visualization, Data Presentation, Box Plots, Scatter Plots, Data Visualization, Interactive Data Visualization, Dashboard Creation, Histogram, Descriptive Statistics, Data Visualization Software, R (Software), R Programming, Integrated Development Environments, Data Science
Beginner · Course · 1 - 3 Months

Skills you'll gain: AWS CloudFormation, Amazon CloudWatch, Version Control, AWS Identity and Access Management (IAM), Infrastructure as Code (IaC), Amazon S3, Relational Databases, Amazon Elastic Compute Cloud, MySQL, Serverless Computing, Database Management, Cloud-Native Computing, Internet Of Things, DevOps, Cloud Deployment, Databases, Network Protocols, Cloud Computing Architecture, Amazon Web Services, Cloud Management
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Policty Analysis, Research, and Development, Network Performance Management, Policy Development, Policy Analysis, Social Justice, General Networking, Public Policies, Law, Regulation, and Compliance, Network Infrastructure, Cyber Governance, Economics, Policy, and Social Studies, Business Economics, Socioeconomics, Economics, Diversity Equity and Inclusion Initiatives, Telecommunications, Regulation and Legal Compliance, Technical Writing
Build toward a degree
Beginner · Course · 1 - 4 Weeks

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

Board Infinity
Skills you'll gain: Cloud Management, Dashboard, Resource Utilization, Financial Management, Cost Control, Financial Data, Cost Management, Anomaly Detection, Serverless Computing, Resource Allocation, Cloud Platforms, Cloud Computing Architecture, Forecasting, Cloud-Native Computing, Management Reporting, Cost Reduction, Containerization, Plan Execution, Solution Architecture, Business Transformation
Intermediate · Course · 1 - 4 Weeks

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

LearnQuest
Skills you'll gain: Account Management, Consultative Selling, Selling Techniques, Performance Measurement, Cross-Functional Team Leadership, Sales Process, Business Risk Management, Business Metrics, Consultative Approaches, Solution Selling, Upselling, Customer Engagement, Strategic Thinking, Stakeholder Engagement, Innovation, Strategic Communication, Stakeholder Analysis, Value Propositions, Business Communication, Business Analytics
Beginner · Specialization · 1 - 3 Months

University of the Arts London
Skills you'll gain: Sustainable Development, Sustainable Systems, Corporate Sustainability, Creative Thinking, Community Development, Systems Thinking, Design, Ideation, Prototyping
Beginner · Course · 1 - 4 Weeks

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

Columbia University
Skills you'll gain: Literacy, Time Management, Learning Strategies, Productivity, Student Support and Services, Writing, Growth Mindedness, Higher Education, Organizational Skills, Prioritization, Collaboration, Overcoming Obstacles, Resourcefulness, Adaptability
Beginner · Course · 1 - 3 Months

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