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.

Skills you'll gain: Network Security, Mobile Security, System Monitoring, Network Monitoring, Security Controls, Internet Of Things, Wireless Networks, Application Security, Information Systems Security, Continuous Monitoring, Authorization (Computing), Cybersecurity, Identity and Access Management, Cyber Attacks, General Networking, Authentications, Cloud Security, TCP/IP, Cloud Services, Cloud Platforms
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Exploitation techniques, Penetration Testing, Cyber Attacks, Cyber Security Assessment, Cybersecurity, Event Monitoring, Vulnerability Management, Vulnerability, Continuous Monitoring, Data Security, Network Security, Analysis, Criminal Investigation and Forensics, System Monitoring, System Configuration, Network Monitoring, Bash (Scripting Language), Scripting, Linux, Python Programming
Advanced · Specialization · 1 - 3 Months

Technical University of Munich (TUM)
Skills you'll gain: Fundraising, Business Valuation, Biotechnology, Entrepreneurial Finance, Commercial Laws, Investments, Return On Investment, Private Equity, Due Diligence, Presentations, Finance, Financial Analysis, Negotiation, Contract Negotiation, Intellectual Property, Stakeholder Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Responsive Web Design, HTML and CSS, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Web Design and Development, Front-End Web Development, Web Design, Maintainability, Web Development, Semantic Web, Web Content Accessibility Guidelines
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Web Components, Responsive Web Design, UI Components, Web Design and Development, Web Design, Front-End Web Development, Content Management Systems, Full-Stack Web Development, Back-End Web Development, Application Deployment, Data Management
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Cloud-Native Computing, Istio, Docker (Software), Kubernetes, Containerization, Google Cloud Platform, Cloud Computing Architecture, Scalability, Microservices, Cloud Deployment, Application Deployment, Cloud Applications
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: OpenAI API, LLM Application, Vector Databases, Generative AI Agents, Tool Calling, Embeddings, Retrieval-Augmented Generation, Prompt Patterns, Artificial Intelligence and Machine Learning (AI/ML), Generative AI, Prompt Engineering, Agentic systems, Large Language Modeling, TypeScript, Responsible AI, Software Development, Real Time Data, Web Scraping, Software Design Patterns
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Secure Coding, Transaction Processing, Distributed Computing, Application Deployment, Program Development, Computer Programming Tools, Cryptography, Development Environment, Virtual Machines
Beginner · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: User Centered Design, Innovation, User Research, Digital Transformation, Platform As A Service (PaaS), Software As A Service, Design Thinking, Service Design, Solution Design, Business Strategy, Business Development, Case Studies, Health Technology, Competitive Analysis, Value Propositions, New Product Development, Product Strategy
Beginner · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Keyword Research, Web Analytics and SEO, Search Engine Optimization, Search Engine Marketing, Marketing, Google Analytics, Case Studies, Market Research, Content Strategy, Competitive Analysis
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Markov Model, Engineering Analysis, Mathematical Modeling, Computational Thinking, Failure Analysis, Biological Engineering, Hazard Analysis, Simulations, Chemical Engineering, Model Evaluation, Applied Mathematics, Differential Equations, Probability
Build toward a degree
Intermediate · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Sprint Retrospectives, Service Recovery, Drive Engagement, Technology Solutions, User Feedback, Customer Engagement, Product Lifecycle Management, Technical Product Management, End User Training and Support, Change Management, Active Listening, User Experience, Decision Making, Continuous Improvement Process
Intermediate · Course · 1 - 3 Months