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.

University of Washington
Skills you'll gain: Social Justice, Community Organizing, Social Sciences, Cultural Diversity, Public Policies, World History, Political Sciences, Advocacy, Governance, Media and Communications
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Node.JS, Web Development, HTML and CSS, Front-End Web Development, Web Servers, Cascading Style Sheets (CSS), Web Applications, Server Side, Javascript, Middleware, Back-End Web Development
Intermediate · Guided Project · Less Than 2 Hours

Infosec
Skills you'll gain: Prompt Engineering, ChatGPT, Open Web Application Security Project (OWASP), AI Security, Responsible AI, API Testing, Data Ethics, Penetration Testing, Cyber Operations, Exploitation techniques, Vulnerability Scanning, Generative AI, Vulnerability Assessments, Scripting
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Ajax, jQuery, JSON, Extensible Markup Language (XML), Web Applications, Javascript, Web Services, Event-Driven Programming, HTML and CSS
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Cascading Style Sheets (CSS), Front-End Web Development, HTML and CSS, Web Design and Development, Responsive Web Design
Intermediate · Guided Project · Less Than 2 Hours

University of California, Santa Cruz
Skills you'll gain: Go (Programming Language), Data Structures, Object Oriented Programming (OOP), Computer Programming, Unit Testing, Programming Principles, Algorithms, C (Programming Language), Software Testing, Debugging, Integration Testing, Software Design, System Design and Implementation, Distributed Computing
Intermediate · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Social Justice, Environmental Issue, Sustainable Development, Social Determinants Of Health, Environmental Policy, Health Equity, Environmental Laws, Environmental Regulations, Community Development, Advocacy, Policy Analysis, Research, Collaboration, Case Studies
Beginner · Course · 1 - 3 Months

Skills you'll gain: Blockchain, Programming Principles, Computational Logic, Software Development Tools, Development Environment, Secure Coding, Business Logic, Other Programming Languages, Program Development, Data Structures, Data Management, Development Testing, Debugging
Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Cascading Style Sheets (CSS), HTML and CSS, Front-End Web Development, Javascript, Responsive Web Design, Maintainability
Intermediate · Course · 1 - 4 Weeks

The University of Edinburgh
Skills you'll gain: Environmental Monitoring, Geospatial Information and Technology, Environment, Global Positioning Systems, Geographic Information Systems, Climate Change Programs, Image Analysis, Continuous Monitoring, Forecasting, Data Access, Data Collection
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Intrusion Detection and Prevention, Model Evaluation, Incident Response, Threat Detection, Endpoint Detection and Response, Computer Security Incident Management, Cyber Threat Hunting, Distributed Denial-Of-Service (DDoS) Attacks, Cybersecurity, Anomaly Detection, Cyber Security Strategy, Threat Management, Continuous Monitoring, Cyber Security Policies, Security Management, System Monitoring, AI Security, Virtual Machines, Network Analysis, Data Analysis
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Prompt Engineering, Generative AI, ChatGPT, OpenAI API, Microsoft Copilot, AI Workflows, Application Development, Code Review, Debugging
Intermediate · Course · 1 - 3 Months