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.

Sungkyunkwan University
Skills you'll gain: Music Theory, Music, Music History, Compassion, World Music, Political Sciences, Empathy & Emotional Intelligence, Emotional Intelligence, Classical Music, Recognizing Others, Empathy, Aesthetics, International Relations, Self-Awareness, Psychology, Ethical Standards And Conduct, Liberal Arts, Cultural Sensitivity, Culture, Ancient History
★ 4.8 (12) · Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Electronics, Communication Systems, Digital Communications, Telecommunications, Digital Signal Processing, Electronic Components, Hardware Troubleshooting, Computer Hardware, Network Analysis
★ 4.9 (14) · Mixed · Course · 1 - 4 Weeks

Technical University of Munich (TUM)
Skills you'll gain: Biotechnology, Business Modeling, Commercialization, Entrepreneurship, Business Strategy, Business Strategies, Feasibility Studies, Business Valuation, Business Planning, Market Opportunities, Innovation
★ 4.7 (13) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Prototyping, User Interface (UI) Design, User Interface (UI), Figma (Design Software), User Interface and User Experience (UI/UX) Design, Application Design, Design, Interactive Design, Collaborative Software
★ 3.9 (14) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: AWS CloudFormation, Amazon CloudWatch, Version Control, AWS Identity and Access Management (IAM), Infrastructure as Code (IaC), Amazon S3, Relational Databases, Amazon Elastic Compute Cloud, MySQL, Serverless Computing, Database Management, Cloud-Native Computing, Internet Of Things, DevOps, Cloud Deployment, Databases, Network Protocols, Cloud Computing Architecture, Amazon Web Services, Cloud Management
★ 4.9 (36) · Beginner · Specialization · 3 - 6 Months

Logical Operations
Skills you'll gain: Power BI, Business Reporting, Microsoft Power Platform, Business Intelligence, Business Intelligence Software, Data Visualization Software, Data Analysis, Microsoft Excel, Data Analysis Software, Data Modeling, Data Integration, Data Access, Self Service Technologies, Data Management, Microsoft PowerPoint, Microsoft 365
★ 4.1 (8) · Mixed · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Health Disparities, Health Equity, Social Justice, Social Determinants Of Health, Public Health, Medicaid, Health Systems, Health Policy, Healthcare Industry Knowledge, Diversity Awareness, Anthropology, Community Health, Social Sciences, Sociology, Medicare, Community Organizing, Biology
★ 4.6 (13) · Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Bootstrap (Front-End Framework), Responsive Web Design, HTML and CSS, UI Components, Web Design and Development, Front-End Web Development, Cascading Style Sheets (CSS), Web Development, User Interface (UI)
★ 4.5 (16) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Call Center Experience, Customer Complaint Resolution, De-escalation Techniques, Conflict Management, Customer Inquiries, Customer Service, Customer Relationship Building, Interviewing Skills, Inbound Calls, Outbound Calls, Problem Solving, Keyword Research, Verbal Communication Skills, Communication
★ 4.4 (17) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Systems Thinking, Sustainable Systems, Environmental Laws, Sustainable Development, Land Management, Climate Change Adaptation, Land Development, Community Development, Environmental Policy, Social Impact, Sustainable Design, Social Justice, Environmental Regulations, Environmental Issue, Socioeconomics, Diversity Equity and Inclusion Initiatives, Climate Change Mitigation, Energy and Utilities, Petroleum Industry
★ 5 (14) · Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Pre-Clinical Development, Clinical Research, Drug Development, Clinical Trials, Medical Science and Research, Biomedical Technology, Pharmaceuticals, Laboratory Research, Science and Research, General Science and Research, Health Policy, Research, Biology, Biochemistry, Scientific Methods, Research Methodologies
★ 4.7 (18) · Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: DeepSeek API, Deepseek, User Interface (UI), LLM Application, AI Workflows, AI Integrations, Human Computer Interaction, Agentic Workflows, Retrieval-Augmented Generation, AI Product Strategy, Embeddings, Application Deployment, Case Studies
★ 3.8 (11) · Intermediate · Course · 1 - 4 Weeks