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: Model View Controller, Web Development Tools, Web Applications, JavaScript Frameworks, Data Validation, Javascript, Web Development
Intermediate · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Intrusion Detection and Prevention, Model Evaluation, Incident Response, Threat Detection, Endpoint Detection and Response, Computer Security Incident Management, Cyber Threat Hunting, Distributed Denial-Of-Service (DDoS) Attacks, Cybersecurity, Anomaly Detection, Cyber Security Strategy, Threat Management, Continuous Monitoring, Cyber Security Policies, Security Management, System Monitoring, AI Security, Virtual Machines, Network Analysis, Data Analysis
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Javascript, Web Design, Event-Driven Programming, Web Design and Development, Development Environment, Web Development, User Interface and User Experience (UI/UX) Design, Web Applications, Interactive Design, Animations, Typography, Color Theory, Web Analytics and SEO, Debugging, Data Validation
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: MLOps (Machine Learning Operations), Data Preprocessing, AWS SageMaker, Model Evaluation, Model Deployment, Artificial Intelligence and Machine Learning (AI/ML), Amazon Web Services, Predictive Modeling, Machine Learning, Supervised Learning, Data Transformation, Unsupervised Learning, Classification Algorithms
Intermediate · Course · 1 - 4 Weeks

University of Amsterdam
Skills you'll gain: Science and Research, Research, Social Impact, Innovation, Case Studies, Open Mindset, Stakeholder Engagement, Empathy & Emotional Intelligence, Collaboration, Diversity and Inclusion
Beginner · Course · 1 - 3 Months

Sungkyunkwan University
Skills you'll gain: Regression Analysis, Predictive Analytics, Predictive Modeling, Investment Management, Risk Analysis, Investments, R Programming, Machine Learning, Statistical Analysis, Financial Analysis, Logistic Regression, Financial Data, Algorithms
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Google Ads, Pay Per Click Advertising, Search Engine Marketing, Campaign Management, Digital Advertising, Registration, Marketing, Keyword Research, Advertising, Digital Marketing, Test Planning
Beginner · Course · 1 - 4 Weeks
University of Colorado Boulder
Skills you'll gain: Computational Logic, Systems Design, Verification And Validation, Systems Analysis, Software Systems, Theoretical Computer Science, Computational Thinking, System Design and Implementation, Simulations, Programming Principles, Software Architecture, Software Design, Model Evaluation, Graph Theory, Pseudocode, Software Testing, Hardware Architecture, Software Quality Assurance, Computer Architecture, Logical Reasoning
Beginner · Specialization · 1 - 3 Months

Universidad de Palermo
Skills you'll gain: Eclipse (Software), Java, Java Programming, Object Oriented Programming (OOP), Integrated Development Environments, Data Structures, File I/O, Programming Principles, Algorithms, Computer Programming, Development Environment, Computational Thinking, Debugging, Software Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Algorithms, Computer Programming, Computational Thinking, Theoretical Computer Science, Performance Tuning
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Legal Technology, Document Management, AI Product Strategy, Generative AI, AI Enablement, AI Workflows, Compliance Management, Contract Management, Prompt Engineering, Automation, Contract Review, Quality Assurance, Risk Analysis
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Matplotlib, Plot (Graphics), Data Visualization Software, Jupyter, Interactive Data Visualization, Scatter Plots, Histogram, Box Plots, Animations, Python Programming
Intermediate · Course · 1 - 4 Weeks