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.

Scrimba
Skills you'll gain: Typography, Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Web Design, Web Design and Development, Web Development, Color Theory
Intermediate · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Model Context Protocol, Token Optimization, AI Workflows, Generative AI Agents, Agentic Workflows, AI Orchestration, Agentic systems, Tool Calling, Context Engineering, Artificial Intelligence and Machine Learning (AI/ML), AI Security, AI Enablement, Prompt Patterns, Prompt Engineering, ChatGPT, AI Personalization, AI Product Strategy, Anthropic Claude, Multimodal Prompts, Generative AI
Beginner · Course · 1 - 3 Months

Whizlabs
Skills you'll gain: Amazon CloudWatch, AWS CloudFormation, Serverless Computing, Configuration Management, Amazon Web Services, Software Configuration Management, DevOps, Infrastructure as Code (IaC), Amazon Elastic Compute Cloud, Scalability, Event Monitoring, System Monitoring
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Secure Coding, Distributed Denial-Of-Service (DDoS) Attacks, Application Security, Authorization (Computing), Authentications, Data Validation, Encryption, Security Software, Security Controls, Data Security, Vulnerability Scanning, Endpoint Security, Role-Based Access Control (RBAC), Intrusion Detection and Prevention, Security Awareness, Cybersecurity, Configuration Management, Package and Software Management, Web Applications, Web Development Tools
Beginner · Specialization · 1 - 3 Months

University of Michigan
Skills you'll gain: Community Organizing, Community Development, Social Justice, Community and Social Work, Advocacy, Discussion Facilitation, Journalism, Diversity Awareness, Public History, Public Policies, Policy Analysis
Beginner · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Engineering Calculations, Structural Engineering, Structural Analysis, Construction Engineering, Civil Engineering, Construction, Engineering Analysis, Engineering Practices, Building Codes, Construction Inspection, Materials science, Civil and Architectural Engineering, Conceptual Design, Engineering Design Process, Engineering, Design Specifications, Maintenance, Repair, and Facility Services, Stormwater Management, Facility Repair And Maintenance, Finite Element Methods
Advanced · Specialization · 1 - 3 Months

University of Michigan
Skills you'll gain: Health Disparities, Health Equity, Medical Science and Research, Community Health, Research, Clinical Research, Public Health, Diversity Awareness, General Science and Research, Scientific Methods, Laboratory Research, Mentorship, Team Collaboration
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Telehealth, Teamwork, Patient Communication, Collaboration, Medical Imaging, Patient Evaluation, Clinical Assessment, Health Technology, Vital Signs, Health Assessment, Patient Preparation, Patient Coordination, Patient Education And Counseling, Patient-centered Care, Patient Treatment, Basic Patient Care, Health Care, Telecommunications, Care Management, Communication
Beginner · Specialization · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Semiconductors, Power Electronics, Electronic Components, Electronic Systems, Electronics Engineering, Electronics, Electrical Power, Electrical Engineering, Electric Power Systems, Thermal Management, Simulation and Simulation Software
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Keyword Research, Search Engine Optimization, Generative AI, AI Integrations
Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Intellectual Property, Research, Trustworthiness, Rapport Building, Research Methodologies, Personal Development, Research Design, Research and Design, Honesty, Curiosity, Science and Research, Personal Integrity, Professional Development, Communication Strategies, Peer Review, Problem Solving, Psychosocial Assessments, Persistence, Persuasive Communication, Ethical Standards And Conduct
Beginner · Specialization · 3 - 6 Months

Illinois Tech
Skills you'll gain: Javascript and jQuery, jQuery, Responsive Web Design, Web Development, Version Control, Web Design, Cascading Style Sheets (CSS), Web Design and Development, Hypertext Markup Language (HTML), HTML and CSS, Web Frameworks, GitHub, Web Applications, Javascript, Web Development Tools, Git (Version Control System), Infrastructure Architecture, Network Architecture, Network Infrastructure, Browser Compatibility
Build toward a degree
Beginner · Course · 1 - 3 Months