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 Leeds
Skills you'll gain: Web Language, Content Management Systems, Web Development, Web Content Accessibility Guidelines, HTML and CSS, Hypertext Markup Language (HTML), Full-Stack Web Development, Data Ethics, Web Development Tools, Front-End Web Development, Intellectual Property, Systems Architecture, Back-End Web Development, Recruitment, Computer Architecture, Data Security
Beginner · Course · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Financial Analysis, Risk Analysis, Competitive Analysis, Market Analysis, Business Strategy, Growth Strategies, Business Strategies, Business Analysis, Analysis, Business Risk Management, Case Studies
Beginner · Course · 1 - 3 Months

Skills you'll gain: Customer Relationship Management, Six Sigma Methodology, Continuous Improvement Process, Operational Excellence, Quality Management, Process Improvement, Customer experience strategy (CX), Quality Improvement, Production Management, Quality Management Systems, Customer Relationship Building, Quality Assurance and Control, Operational Efficiency, Production Process, Product Quality (QA/QC), Quality Assurance, Process Optimization, Customer experience improvement, Risk Analysis, Customer Engagement
Mixed · Course · 1 - 3 Months

KodeKloud
Skills you'll gain: OpenAI, Prompt Engineering, OpenAI API, Responsible AI, Token Optimization, Multimodal Prompts, AI literacy, Data Ethics, Large Language Modeling, Artificial Intelligence, Generative AI, LLM Application, Embeddings, Image Analysis, Model Training, Fine-tuning, Computer Vision, Application Programming Interface (API), Emerging Technologies
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Agentic systems, Algorithms, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Computational Thinking, Graph Theory, Model Optimization, Solution Design, Technical Design, Performance Testing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Microsoft SQL Servers, Data Security, Microsoft Azure, Cloud Security, Databases, Database Management, Data Management, Data Access, Security Controls, Authorization (Computing), Role-Based Access Control (RBAC)
Intermediate · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Cybersecurity, Network Security, Internet Of Things, Cyber Security Strategy, Infrastructure Security, Cyber Attacks, Communication Systems, Wireless Networks, Network Protocols, Network Architecture, Network Infrastructure, Hardware Architecture, Data Security, Digital Communications, Distributed Computing, Networking Hardware, Information Privacy, Automation
Beginner · Course · 1 - 4 Weeks

Council on Foreign Relations
Skills you'll gain: Public Policies, Climate Change Programs, International Relations, Policy Analysis, Public Health, Economic Development, Environmental Issue, Infectious Diseases, Sustainable Development, Socioeconomics, Climate Change Adaptation, Environmental Policy, Health Disparities, Information Technology, Social Sciences, Demography, Climate Change Mitigation, Emerging Technologies, Cybersecurity, Artificial Intelligence
Beginner · Course · 1 - 3 Months

Skills you'll gain: React.js, Continuous Deployment, Application Deployment, Cloud Deployment, Web Applications, UI Components, Javascript, Bootstrap (Front-End Framework), JavaScript Frameworks, Development Environment, User Interface (UI), Cascading Style Sheets (CSS), Application Programming Interface (API)
Beginner · Course · 1 - 3 Months

University of California, Santa Cruz
Skills you'll gain: Go (Programming Language), Data Structures, Object Oriented Design, Object Oriented Programming (OOP), Computer Programming, Unit Testing, Programming Principles, Algorithms, C (Programming Language), Software Testing, Code Reusability, Graph Theory
Intermediate · Course · 1 - 3 Months

Infosec
Skills you'll gain: Application Security, Secure Coding, Security Software, Vulnerability Scanning, Security Controls, Intrusion Detection and Prevention, Security Awareness, Web Applications, PHP (Scripting Language), Application Frameworks, Browser Compatibility, Computer Programming
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Service Recovery, De-escalation Techniques, Greeting Customers, Customer Complaint Resolution, Customer Service, Conflict Management, Guest Relations, Hospitality Services, Hospitality and Food Services, Hospitality, Professionalism, Teamwork, Coordination, Customer experience improvement, Collaboration, Verbal Communication Skills, Communication, Empathy, Active Listening
Mixed · Course · 1 - 4 Weeks