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.

Coursera
Skills you'll gain: Facebook, Meta Ads Manager, Social Media Campaigns, Social Media Content, Social Media Marketing, Online Advertising, Target Audience, Advertising Campaigns, Advertising, Social Media Strategy, Digital Advertising, Customer Insights, Social Media Analytics, Editing
★ 4 (21) · Intermediate · Guided Project · Less Than 2 Hours

Duke University
Skills you'll gain: Climate Change Adaptation, Climate Change Mitigation, Environmental Issue, International Relations, Environmental Policy, Environmental Science, Pollution Prevention, Sustainable Development, Social Impact, Community Development, Mitigation, Trend Analysis
★ 4.9 (22) · Beginner · 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
★ 4.5 (25) · Beginner · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Crisis Management, Strategic Communication, Communication Planning, Corporate Communications, Communication Strategies, Case Studies, Stakeholder Communications, Internal Communications, Communication
★ 4.6 (21) · Beginner · Course · 1 - 4 Weeks

Fundação Instituto de Administração
Skills you'll gain: Financial Statement Analysis, Financial Statements, Financial Analysis, Financial Acumen, Financial Accounting, Balance Sheet, Cash Flows, Income Statement, Working Capital, Profit and Loss (P&L) Management, Business Metrics, Performance Analysis, Gross Profit, Analysis, Depreciation
★ 4.6 (18) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Medical Privacy, Mental Health Diseases and Disorders, Psychiatry, Healthcare Ethics, Mental and Behavioral Health, Mental Health, Ethical Standards And Conduct, Health Information Management, Mental Health Counseling, Psychotherapy, Mental Health Therapies, Behavioral Health, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Cultural Diversity, Psychology
★ 4.7 (24) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Manufacturing Processes, Computer-Aided Design, Automation, Internet Of Things, Manufacturing and Production, Digital Transformation, Manufacturing Operations, Geometric Dimensioning And Tolerancing, Simulation and Simulation Software, Network Infrastructure, Finite Element Methods, AI Integrations, Cloud Computing
★ 4.7 (16) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Manufacturing Processes, Automation, Internet Of Things, Manufacturing Standards, Quality Assurance, Manufacturing Operations, Production Process, Process Control, Laboratory Testing, Materials science
★ 4.4 (25) · Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Leadership Studies, Executive Presence, Healthcare Ethics, Health Policy, Leadership, Communication Strategies, Team Leadership, Advocacy, Communication, Leadership and Management, Change Management, Health Care, Organizational Change, Professional Development, Organizational Leadership, Leadership Development, Influencing, Interpersonal Communications
★ 4.7 (24) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, HTML and CSS, Web Design, Web Design and Development, Cascading Style Sheets (CSS), UI Components, Front-End Web Development, User Interface (UI) Design, User Interface (UI), Browser Compatibility, Frontend Integration, Javascript, Interactive Design, Hypertext Markup Language (HTML), Cross Platform Development
★ 4.5 (27) · Intermediate · Guided Project · Less Than 2 Hours

University of Michigan
Skills you'll gain: Health Disparities, Psychiatry, Community Mental Health Services, Mental Health Diseases and Disorders, Social Determinants Of Health, Mental Health Therapies, Clinical Psychology, Mental and Behavioral Health, Trauma Care, Rapport Building, Psychotherapy, Mental Health, Pharmacotherapy, Driving engagement, Research
★ 4.6 (21) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Transportation, Supply Chain, and Logistics, Supply Chain, Supply Chain Management, Supply Chain Systems, FinTech, Logistics, Business Transformation, Shipping and Receiving, Emerging Technologies, Internet Of Things, Digital Assets, Business Process Automation, Loss Prevention, Digital Transformation, Asset Management, Fraud detection, Data Integrity, Governance
★ 4.7 (30) · Beginner · Course · 1 - 3 Months