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: Rmarkdown, Plot (Graphics), Ggplot2, Statistical Visualization, Box Plots, Scatter Plots, Data Visualization, Histogram, Descriptive Statistics, Data Visualization Software, Graphing, R Programming, Data Science
Beginner · Course · 1 - 3 Months

Interactive Brokers
Skills you'll gain: Investments, Portfolio Management, Risk Management, Equities, Securities Trading, Market Trend, Performance Analysis, Stock Rotation, Business Economics, Market Dynamics, Market Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Web Services, Restful API, Apache Maven, Spring Boot, Spring Framework, Gradle, Simple Object Access Protocol (SOAP), Java Platform Enterprise Edition (J2EE), Application Programming Interface (API), Java, Postman API Platform, Software Development Tools, API Design, Application Frameworks, Secure Coding, Object-Relational Mapping, JSON, JUnit, Extensible Markup Language (XML)
Intermediate · Course · 3 - 6 Months
Johns Hopkins University
Skills you'll gain: Injury Prevention, Fire And Life Safety, Electrical Safety, Accident Prevention, Safety Training, Safety Standards, Health And Safety Standards, Working With Children, Risk Analysis
Mixed · Course · 3 - 6 Months

Indian Institute for Human Settlements
Skills you'll gain: Social Justice, Child Development, Community Development, Working With Children, Education and Training, Higher Education, Pedagogy, Sustainable Development, Cultural Diversity, Teaching, Social Studies, Curriculum Development, Policy Analysis, Diversity Equity and Inclusion Initiatives, Critical Thinking
Intermediate · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Investment Management, Business Risk Management, Financial Market, Financial Modeling, Return On Investment
Beginner · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: No-Code Development, Application Development, User Experience, User Interface (UI), Data Modeling, Sprint Retrospectives, Platform As A Service (PaaS), Product Lifecycle Management, Service Recovery, Digital Transformation, Application Design, Drive Engagement, Technology Solutions, User Feedback, Application Deployment, Customer Engagement, Cloud Platforms, Technical Product Management, Automation, Product Management
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Legal Technology, Legal Writing, Design Thinking, Design, User Experience Design, Human Centered Design, Graphic and Visual Design, Driving engagement, Qualitative Research, Project Management
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Mathematical Modeling, Statistical Modeling, Machine Learning Algorithms, Artificial Intelligence, Generative AI
Build toward a degree
Intermediate · Course · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Spatial Analysis, Spatial Data Analysis, GIS Software, Geographic Information Systems, Geospatial Mapping, Geostatistics, Interactive Data Visualization, Data Integration, Data Mapping, Augmented Reality, Sampling (Statistics)
Beginner · Course · 1 - 3 Months

University of Glasgow
Skills you'll gain: Wireless Networks, Emerging Technologies, Digital Communications, Internet Of Things, Software-Defined Networking, Network Planning And Design, Distributed Computing, Artificial Intelligence and Machine Learning (AI/ML), Electrical Engineering, Electronics Engineering, Zero Trust Network Access, Information Technology, Machine Learning, Trustworthiness
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Cybersecurity, Network Security, Internet Of Things, Infrastructure Security, Communication Systems, Wireless Networks, Network Protocols, Network Architecture, General Networking, Network Infrastructure, Data Security, Encryption, Distributed Computing
Beginner · Course · 1 - 4 Weeks