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.

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

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

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

Skills you'll gain: Cucumber (Software), Gherkin (Scripting Language), Behavior-Driven Development, Apache Maven, API Testing, Test Script Development, Restful API, Test Automation, JSON, Scalability, Test Case, Test Data, Authentications, Java
Mixed · Course · 1 - 4 Weeks

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 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, Service Level
Intermediate · Course · 3 - 6 Months

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

Amazon Web Services
Skills you'll gain: Amazon S3, Cloud Storage, Amazon Web Services, Data Storage Technologies, Data Storage, Disaster Recovery, Data Security
Beginner · 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, Investment Management, Spreadsheet Software, Financial Reporting, Analysis, Power BI, Automation
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Photo/Video Production and Technology, Promotional Materials, Marketing Materials, Presentations, Writing, Layout Design, Copywriting, Music, Content Creation, Branding, Design, Target Audience, Communication
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, Change Management, Presentations, Generative AI, Case Studies
Intermediate · Course · 1 - 4 Weeks

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