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 Illinois Urbana-Champaign
Skills you'll gain: Customer Insights, Design Thinking, New Product Development, Journey Mapping, Customer experience improvement, Product Development, Customer Analysis, Consumer Behaviour, Business Research, User Research, Customer Engagement, Market Research, Case Studies, Product Strategy, Innovation, Needs Assessment
★ 4.4 (113) · Beginner · Course · 1 - 3 Months

Rice University
Skills you'll gain: Diversity Equity and Inclusion Initiatives, Diversity Training, Diversity Programs, Diversity and Inclusion, Diversity Awareness, Demography, Workplace inclusivity, Organizational Development, Cultural Diversity, Organizational Effectiveness, Organizational Strategy, Human Resource Strategy
★ 4.8 (210) · Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: JSON, Event-Driven Programming, Javascript, Mobile Development, Data Structures, Application Development, Video Game Development, Web Applications, Programming Principles, Data Storage Technologies, Scripting Languages, Data Persistence, Computer Programming, Data Storage, Computational Logic, Front-End Web Development, Web Development
★ 4.7 (152) · Beginner · Course · 1 - 3 Months
Johns Hopkins University
Skills you'll gain: Public Health, Community Health, Health Policy, Public Health and Disease Prevention, Health Promotion, Media and Communications, Community Outreach, Data Collection, Injury Prevention, Nutrition and Diet, Child Health
★ 4.7 (259) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Community Health, Community Development, Public Health, Social Determinants Of Health, Community Organizing, Health Promotion, Health Equity, Public Health and Disease Prevention, Health Disparities, Community Outreach, Community and Social Work, Economics, Policy, and Social Studies, Political Sciences, Driving engagement, Cultural Diversity, Case Studies
★ 4.7 (177) · Mixed · Course · 1 - 3 Months

The University of Edinburgh
Skills you'll gain: Climate Change Mitigation, Energy and Utilities, Pollution Prevention, Economics, Policy, and Social Studies, Oil and Gas, Mitigation, Policty Analysis, Research, and Development, Sustainable Engineering, Policy Analysis, Economics, Sustainable Technologies, Petroleum Industry, Environmental Policy, Sustainable Systems, Environment and Resource Management, Environmental Engineering, Environmental Regulations, Process Engineering, Environmental Science, Chemical Engineering
★ 4.7 (96) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Cryptography, Security Requirements Analysis, Network Architecture, Network Security, Internet Of Things, Cybersecurity, Web Services, Encryption, Embedded Systems, Network Protocols, Public Key Cryptography Standards (PKCS), Computer Networking, Threat Modeling, Security Controls, Simple Object Access Protocol (SOAP), TCP/IP, Web Applications, Restful API, Information Privacy, OSI Models
★ 4.4 (172) · Intermediate · Course · 1 - 3 Months
LearnQuest
Skills you'll gain: Data Warehousing, Data Visualization, Data Persistence, Cloud Deployment, Data Analysis, Cloud Computing, Data Architecture, Big Data, Data Store, Cloud Services, Data Infrastructure, Analysis, Analytics, Data Storage, Data Analysis Software, Cloud Infrastructure, Scalability, Data Processing, Extract, Transform, Load, Cloud Platforms
★ 3.7 (164) · Beginner · Specialization · 3 - 6 Months

University of Pennsylvania
Skills you'll gain: Health Insurance Portability And Accountability Act (HIPAA) Compliance, Medical Privacy, General Data Protection Regulation (GDPR), Personally Identifiable Information, Law, Regulation, and Compliance, Information Privacy, Health Information Management, Regulatory Compliance, Compliance Management, Regulation and Legal Compliance, Data Loss Prevention, Health Care Procedure and Regulation, Data Governance, Data Security, Security Controls, Incident Response, Risk Analysis
★ 4.6 (186) · Mixed · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Chemical Engineering, Process Engineering, Occupational Hygiene, Hazard Communication (HazCom), Hazard Analysis, Occupational Health, Health And Safety Standards, Environment Health And Safety, Safety Standards, Accident Prevention, Equipment Design, Risk Management
★ 4.8 (64) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: LangGraph, Generative AI Agents, AI Orchestration, LangChain, Agentic systems, AI Workflows, LLM Application, Agentic Workflows, OpenAI API, OpenAI, Large Language Modeling, Tool Calling, Retrieval-Augmented Generation, Artificial Intelligence, AI Integrations, Generative AI, Development Environment, Microsoft Azure, AI literacy, Microsoft Development Tools
★ 4.5 (193) · Intermediate · Specialization · 3 - 6 Months

Curtis Institute of Music
Skills you'll gain: Classical Music, Music Theory, Music, Music History, Instrumental Music, Musical Composition, Music Performance, Performing Arts
★ 5 (169) · Beginner · Course · 1 - 3 Months