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 Colorado Boulder
Skills you'll gain: Systems Thinking, Sustainable Systems, Environmental Laws, Sustainable Development, Land Management, Climate Change Adaptation, Community Development, Climate Change Programs, Land Development, Social Impact, Sustainable Design, Social Justice, Environmental Regulations, Stormwater Management, Environmental Policy, Environmental Issue, Water Sustainability, Policy Analysis, Sustainable Technologies, Climate Change Mitigation
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Adobe InDesign, Layout Design, Typography, Graphic Design, Adobe Creative Cloud, Design, Digital Design, Design Software
Beginner · Guided Project · Less Than 2 Hours

Packt
Skills you'll gain: Spring Boot, Hibernate (Java), Spring Framework, Web Applications, Application Development, Web Development, Program Development, Restful API, Application Frameworks, Secure Coding, Bootstrap (Front-End Framework), Development Environment, Object-Relational Mapping, Model View Controller, UI Components, Software Development Tools, Authentications, User Interface (UI), Databases
Intermediate · Course · 1 - 4 Weeks

American Psychological Association
Skills you'll gain: Qualitative Research, Interviewing Skills, Research Methodologies, Case Studies, Data Collection, Research, Analytical Skills, Psychology
Beginner · Course · 1 - 3 Months

Skills you'll gain: Wireframing, Mockups, UI Components, Interaction Design, Interactive Design, User Interface (UI), User Flows, Usability Testing, Design
Beginner · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Vue.JS, JavaScript Frameworks, UI Components, Application Frameworks, Web Frameworks, Web Development Tools, Development Environment, Front-End Web Development, Event-Driven Programming, Web Applications, Android Development, Data Management
Intermediate · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Research Design, Research Methodologies, Science and Research, Social Sciences, Surveys, Qualitative Research, Institutional Review Board (IRB), Survey Creation, Statistical Analysis, Data Collection, Higher Education, Correlation Analysis, Sample Size Determination, Ethical Standards And Conduct, Academic Advising, Probability & Statistics, Regression Analysis, Informed Consent
Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Human Capital, Human Resources, Human Resources Management and Planning, Human Resource Strategy, Human Resource Management, HR Tech, People Analytics, Employee Engagement, Workforce Development, Compensation Management, Compensation and Benefits, Occupational Safety And Health, Legal Risk, Labor Law, Organizational Leadership, Health And Safety Standards, Communication Strategies
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Responsive Web Design, HTML and CSS, Cascading Style Sheets (CSS), Web Design, Web Design and Development, Front-End Web Development, Hypertext Markup Language (HTML), Web Development, Application Deployment, Cloud Deployment, User Interface (UI), User Interface (UI) Design, Typography, Cloud Hosting, Software Engineering
Intermediate · Specialization · 1 - 4 Weeks

Universidade de São Paulo
Skills you'll gain: Cultural Diversity, Culture, Anthropology, Aesthetics, Liberal Arts, Psychology, Physics, Biology
Beginner · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Large Language Modeling, Model Evaluation, Model Training, Hugging Face, Data Preprocessing, Fine-tuning, Model Optimization, Transfer Learning, Generative AI
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Context Engineering, Agentic Workflows, AI Orchestration, Tool Calling, Generative AI, Gemini, Artificial Intelligence, Google Gemini, Retrieval-Augmented Generation, Model Optimization, Embeddings, Workflow Management, Python Programming, Data Validation
Beginner · Course · 1 - 4 Weeks