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: Open Shortest Path First (OSPF), Virtual Local Area Network (VLAN), Wide Area Networks, Network Security, Threat Detection, Threat Management, Network Administration, Multiprotocol Label Switching, Network Routing, Virtual Private Networks (VPN), Network Troubleshooting, Dynamic Host Configuration Protocol (DHCP), Network Switches, Network Protocols
Advanced · Course · 3 - 6 Months

Check Point Software Technologies Ltd.
Skills you'll gain: Endpoint Security, Threat Detection, Malware Protection, Security Management, Cybersecurity, Cyber Attacks, Remote Access Systems, Zero Trust Network Access, Application Deployment, Network Protocols, Software Installation, Systems Architecture, Linux
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Health Disparities, Health Equity, Community Health, Community Organizing, Social Determinants Of Health, Patient Advocacy, Social Justice, Health Care, Advocacy, Health Policy, Cultural Responsiveness, Community Development, Community Outreach, Public Health and Disease Prevention, Oncology, Immigration Law, Diversity Equity and Inclusion Initiatives, Discussion Facilitation
Beginner · Course · 1 - 4 Weeks

Ball State University
Skills you'll gain: Data Visualization, Rmarkdown, Exploratory Data Analysis, Data Visualization Software, Ggplot2, Interactive Data Visualization, Plot (Graphics), Statistical Visualization, R (Software), R Programming, Data Storytelling, Data Presentation, Histogram, Scatter Plots, Data Analysis
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Plotly, Data Visualization, Datamaps, Data Visualization Software, Scatter Plots, Jupyter, Python Programming, Exploratory Data Analysis, Pandas (Python Package), Data Analysis, Medical Science and Research
Beginner · Guided Project · Less Than 2 Hours

Duke University
Skills you'll gain: Telehealth, Patient Preparation, Vital Signs, Patient Evaluation, Clinical Assessment, Health Assessment, Health Care, Patient Education and Support, Telecommunications, Patient Communication, Virtual Environment, Mental Status Examination, Technical Support
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Mapping, Microsoft Azure, Data Transformation, Data Pipelines, Extract, Transform, Load, Dataflow, Data Processing, Data Integration, Data Storage
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Change Management, Organizational Change, Culture Transformation, Business Transformation, Overcoming Obstacles, Organizational Leadership, Organizational Structure, Goal Setting, Adaptability, Leadership, Leadership Development, Lifelong Learning, Employee Engagement
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cryptographic Protocols, Blockchain, Cryptography, Encryption, Business Continuity, Application Security, Disaster Recovery, Digital Assets, Threat Modeling, Vulnerability Assessments, Cybersecurity, Regulatory Compliance, Enterprise Security, Network Security, Data Security, Law, Regulation, and Compliance, Information Systems Security, Secure Coding, Key Management, Distributed Denial-Of-Service (DDoS) Attacks
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Figma (Design Software), Responsive Web Design, UI Components, User Interface (UI) Design, Mobile Development, Design Strategies, Web Design, Scalability, Prototyping
Intermediate · Course · 1 - 3 Months

University of North Texas
Skills you'll gain: Writing, Grammar, Writing and Editing, Literacy, Proofreading, Vocabulary, English Language
Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Dimensionality Reduction, Data Analysis, Supervised Learning, Anomaly Detection, Machine Learning, Machine Learning Algorithms, Statistical Analysis, Unsupervised Learning, Data Mining, Analytics, Predictive Modeling, Regression Analysis, Scikit Learn (Machine Learning Library), Classification And Regression Tree (CART), Exploratory Data Analysis, Project Planning
Intermediate · Course · 1 - 3 Months