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: Cloud Deployment, Patch Management, Microsoft Azure, Cloud Management, Identity and Access Management, Cloud Infrastructure, Cloud Computing, Infrastructure As A Service (IaaS), Cloud Solutions, Cloud Security, Cloud Services, Disaster Recovery, Virtual Machines, Kubernetes, Cloud Platforms, Role-Based Access Control (RBAC), Private Cloud, Virtual Networking, Windows PowerShell, System Monitoring
★ 4.6 (184) · Beginner · Specialization · 3 - 6 Months

Rice University
Skills you'll gain: Mechanics, Problem Solving, Physics, Graphing, Mathematical Modeling, Algebra, Calculus, Physical Science, Applied Mathematics, Mechanical Engineering, Trigonometry
★ 4.7 (209) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Retrieval-Augmented Generation, LLM Application, Prompt Patterns, AI Workflows, Prompt Engineering, Large Language Modeling, Model Deployment, Embeddings, Vector Databases, Data Processing, Document Management
★ 4.5 (173) · Intermediate · Course · 1 - 4 Weeks
Johns Hopkins University
Skills you'll gain: Advocacy, Health Systems, Health Policy, Health Care Administration, Community Health, Policy Development, Primary Care, Health Care, Public Health, Health Administration, Healthcare Industry Knowledge, Community Organizing, Health Disparities, Systems Thinking, Policy Analysis, Governance, Training Programs, Pharmaceuticals, Education and Training
★ 4.6 (358) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Virtualization and Virtual Machines, Virtualization, Hardware Troubleshooting, Network Troubleshooting, Computer Hardware, Cloud Computing, Technical Support and Services, Technical Support, General Networking, End User Training and Support, Peripheral Devices, Networking Hardware, System Configuration, Data Storage, Network Administration, Network Infrastructure, Information Technology, Hardware Architecture, Data Storage Technologies, Configuration Management
★ 4.6 (214) · Advanced · Course · 1 - 3 Months

Google Quantum AI
Skills you'll gain: Quantum computing, Emerging Technologies, Hardware Architecture, Mathematical Software, Failure Analysis, Computer Programming Tools, Simulation and Simulation Software, Theoretical Computer Science, Mathematical Modeling, Estimation, Simulations
★ 4.6 (220) · Intermediate · Course · 1 - 4 Weeks

Tel Aviv University
Skills you'll gain: Ancient History, World History, International Relations, Political Sciences, Governance, Research Methodologies
★ 4.6 (347) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Test Driven Development (TDD), Gherkin (Scripting Language), Test Tools, Behavior-Driven Development, Test Automation, Unit Testing, Software Testing, Development Testing, Test Case, Software Engineering Tools, Test Data, Code Coverage, Scenario Testing, Restful API, Mockups, Microservices
★ 4.8 (252) · Intermediate · Course · 1 - 3 Months

Yonsei University
Skills you'll gain: Apache Spark, Big Data, SPSS (Software), SPSS, Analytics, Business Technologies, Real Time Data, Apache Hadoop, Data Processing, Statistical Analysis, Data Analysis Software, Business Planning, Data Storage Technologies, Business Strategy, Market Data, Business Strategies, Market Intelligence, Market Share, Market Dynamics, Distributed Computing
★ 4.7 (322) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Linear Algebra, Algebra, Applied Mathematics, Advanced Mathematics, Artificial Intelligence and Machine Learning (AI/ML), Engineering Analysis, Mathematical Theory & Analysis, Geometry, Applied Machine Learning, Markov Model
★ 4.7 (241) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: User Centered Design, User Experience Design, Responsive Web Design, User Interface (UI) Design, Prototyping, Front-End Web Development, Graphic and Visual Design, User Interface and User Experience (UI/UX) Design, Figma (Design Software), Design Elements And Principles, Web Design, Wireframing, Typography, Application Design, Digital Design, UI Components, Web Applications, Mobile Development, Design Thinking
★ 4.5 (322) · Beginner · Course · 1 - 4 Weeks

Ludwig-Maximilians-Universität München (LMU)
Skills you'll gain: Ancient History, Governance, Social Studies, World History, Anthropology, Diplomacy, Sociology, Political Sciences, Cultural Diversity, Economics
★ 4.8 (824) · Beginner · Course · 1 - 3 Months