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.

JetBrains
Skills you'll gain: Application Development, Generative AI Agents, Large Language Modeling, Software Development Tools, AI Enablement, IntelliJ IDEA, AI Workflows, Artificial Intelligence and Machine Learning (AI/ML), Generative AI, Integrated Development Environments, Agentic systems, Software Development, Software Development Life Cycle
Beginner · Course · 1 - 3 Months

Digital Marketing Institute
Skills you'll gain: Data-Driven Decision-Making, Data Ethics, Customer Analysis, Strategic Marketing, Digital Marketing, Business Analytics, Marketing Analytics, Performance Measurement, Marketing Strategy and Techniques, MarTech, Data Analysis, Pay Per Click Advertising, Data Management, Web Analytics and SEO, Marketing Automation, Cross-Channel Marketing, Growth Strategies, Smart Goals
Beginner · Course · 1 - 4 Weeks

Pohang University of Science and Technology(POSTECH)
Skills you'll gain: Blockchain, Cryptography, Transaction Processing, Programming Principles, Encryption, Data Structures, Virtualization and Virtual Machines, Network Protocols, Distributed Computing, Network Architecture, Algorithms
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Sustainable Design, Human Centered Design, Environmental Regulations, Sustainability Standards, Design Thinking, Sustainable Business, Product Development, Product Design, Corporate Sustainability, Product Lifecycle Management, Regulatory Requirements, Design Strategies, Design Research
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: HTML and CSS, Cloud Hosting, Web Development, Cloud Deployment, Responsive Web Design, Web Design, Web Content, Application Deployment, Typography, Javascript
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, 3D Assets, AI Workflows, Development Environment, Programming Principles
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Computational Thinking, Algorithms, Graph Theory, Data Structures, Computer Programming, C++ (Programming Language), Object Oriented Programming (OOP)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Git (Version Control System), Version Control, GitHub, Jupyter, Python Programming, Programming Principles, Data Science, Generative AI, Development Environment, Integrated Development Environments, Computer Programming, Data Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unity Engine, Game Design, Video Game Development, Animation and Game Design, Software Architecture, Object Oriented Design, UI Components, Scripting, C# (Programming Language), Debugging
Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Public Works, Community Development, Sustainable Development, Environmental Policy, Policy Analysis, Sustainable Technologies, Climate Change Mitigation, Policy Development, Public Policies, Environmental Science, Emerging Technologies, Scalability, Technology Solutions, Case Studies
Beginner · Course · 1 - 3 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: People Analytics, Accounts Payable and Receivable, Workday (Software), Accounting Software, Data Analysis Software, Financial Data, Dashboard, General Ledger, Accounting, Data Import/Export, Workflow Management, Business Process, Financial Reporting, Finance
Beginner · Course · 1 - 4 Weeks