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: Object Oriented Programming (OOP), Object Oriented Design, Software Documentation, Java Programming, Java, Technical Documentation, Computer Programming, Programming Principles, Code Reusability, Computer Science
★ 4.2 (22) · Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Pandas (Python Package), Data Cleansing, Data Manipulation, Data Preprocessing, Data Wrangling, NumPy, File I/O, Query Languages, Data Integration, Python Programming, Debugging
★ 4.3 (16) · Beginner · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Stakeholder Engagement, Project Management Institute (PMI) Methodology, Project Implementation, Plan Execution, Project Management Life Cycle, Risk Management, Technical Management
★ 4.9 (64) · Beginner · Course · 1 - 3 Months

Dassault Systèmes
Skills you'll gain: SolidWorks (CAD), 3D Modeling, Computer-Aided Design, Drafting and Engineering Design, Mechanical Design
★ 5 (26) · Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Deep Learning, Generative AI, Generative Model Architectures, Applied Machine Learning, Machine Learning Methods, Graph Theory, Network Analysis, Artificial Neural Networks, Network Model, Health Informatics, Laboratory Experience, Autoencoders, Predictive Modeling, Unsupervised Learning, Data Synthesis
★ 3.6 (15) · Advanced · Course · 1 - 4 Weeks

University of Cape Town
Skills you'll gain: Business Modeling, Video Production, Entrepreneurship, FinTech, Business Planning, Sales Presentations, Ideation, Financial Regulation, Presentations, Financial Regulations, Regulatory Requirements, Regulatory Compliance, Value Propositions, New Business Development, Law, Regulation, and Compliance, Innovation, Brainstorming, Market Opportunities, Customer Analysis
★ 4.6 (20) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Data Wrangling, Exploratory Data Analysis, Tidyverse (R Package), Data Manipulation, Data Transformation, R Programming, R (Software), Data Processing, Data Preprocessing, Data Analysis, Statistical Programming, Text Mining, Correlation Analysis
★ 4.5 (33) · Mixed · Course · 1 - 3 Months

Erasmus University Rotterdam
Skills you'll gain: Aesthetics, Liberal Arts
★ 4.5 (18) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Intrusion Detection and Prevention, Continuous Monitoring, Threat Management, Firewall, Incident Response, Network Security, Threat Detection, Network Monitoring, System Monitoring, Event Monitoring, Infrastructure Security, Cybersecurity, Anomaly Detection
★ 4.4 (48) · Advanced · Course · 1 - 4 Weeks

Fractal Analytics
Skills you'll gain: Generative AI, Generative Model Architectures, Object Oriented Programming (OOP), Artificial Neural Networks, Computer Programming, Debugging, Python Programming, Critical Thinking
★ 4.1 (23) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Environmental Monitoring, Physical Science, Physics, Environmental Science, Environment, Engineering, Scientific, and Technical Instruments, General Science and Research, Life Sciences, electromagnetics, Scientific Methods, Research
★ 4.2 (29) · Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Histogram, Data Literacy, Data Presentation, Data Collection, Descriptive Statistics, Statistics, Data Analysis, Statistical Visualization, Plot (Graphics), Probability & Statistics, Statistical Reporting, Sampling (Statistics), Research, Data Validation
★ 4.7 (27) · Beginner · Course · 1 - 4 Weeks