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: Cascading Style Sheets (CSS), Responsive Web Design, HTML and CSS, UI Components, Mockups, Typography, Web Development
Intermediate · 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 Michigan
Skills you'll gain: Hypertext Markup Language (HTML), Web Content Accessibility Guidelines, Web Design, Web Design and Development, Cascading Style Sheets (CSS), Semantic Web, Usability, Javascript, Responsive Web Design, Web Content
Mixed · 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: 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

Rice University
Skills you'll gain: Ancient History, Anthropology, Case Studies, Social Sciences, World History, Timelines, Cultural Diversity, Research, Environment, Biology
Beginner · Course · 1 - 3 Months

Skills you'll gain: PHP (Scripting Language), File I/O, Web Applications, Responsive Web Design, MySQL, Web Design and Development, Server Side, HTML and CSS, Back-End Web Development, Database Development, File Management, Data Structures
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Expense Management, Microsoft Power Platform, No-Code Development, Microsoft 365, Microsoft Excel, UI/UX Strategy, Application Development
Beginner · Guided Project · Less Than 2 Hours

Amazon Web Services
Skills you'll gain: Amazon S3, Cloud Storage, Amazon Web Services, Data Storage Technologies, Data Storage, Disaster Recovery, Data Maintenance
Beginner · Course · 1 - 4 Weeks

University at Buffalo
Skills you'll gain: Manufacturing and Production, Production Process, Manufacturing Processes, Quality Control, Energy and Utilities, Workforce Development, Supply Chain, Electric Power Systems, Workforce Planning, Sustainable Technologies, Environmental Science
Beginner · Course · 1 - 3 Months

Skills you'll gain: Azure DevOps, DevOps, Agile Methodology, Continuous Delivery, Collaborative Software, CI/CD, Microsoft Azure, Software Development, Application Performance Management, Version Control
Beginner · Course · 1 - 4 Weeks

University of Virginia
Skills you'll gain: Model View Controller, Debugging, Integrated Development Environments, Software Design, User Interface (UI), Responsive Web Design, HTML and CSS, Data Modeling, Database Design, Web Design and Development, Software Development Tools, NoSQL, Database Architecture and Administration, Application Programming Interface (API), UI Components, OpenAI, ChatGPT, Web Applications, Version Control, Programming Principles
Beginner · Specialization · 1 - 3 Months