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.

Scrimba
Skills you'll gain: Responsive Web Design, HTML and CSS, Hypertext Markup Language (HTML), Typography, Cascading Style Sheets (CSS), Web Design, Web Design and Development, Web Development Tools, Browser Compatibility, Application Deployment, Front-End Web Development, Web Development, Animations, Development Environment, UI Components, Usability, Javascript, Frontend Performance, Maintainability, User Interface (UI)
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Engineering, Data Manipulation, Data Warehousing, Cloud Development, SQL, Data Pipelines, Extract, Transform, Load, Application Development, Artificial Intelligence and Machine Learning (AI/ML), Role-Based Access Control (RBAC), Stored Procedure, Data Storage, Database Management, Generative AI, Data Science, Data Import/Export, Machine Learning
Beginner · Course · 1 - 4 Weeks
Ludwig-Maximilians-Universität München (LMU)
Skills you'll gain: Organizational Structure, Organizational Strategy, Organizational Effectiveness, Organizational Change, Strategic Leadership, Business Strategy, Strategic Decision-Making, Strategic Planning, Growth Strategies, Innovation
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Embedded Software, Embedded Systems, Electronics Engineering, Electronic Systems, Electronic Hardware, Electronics, Machine Controls, Control Systems, Electrical Systems, Hardware Design, Programmable Logic Controllers, Equipment Design, Electronic Components
Build toward a degree
Intermediate · Course · 1 - 3 Months

Yale University
Skills you'll gain: Legal Research, Case Law, Legal Proceedings, Commercial Laws, Legal Risk, Contract Review, Lawsuits, Arbitration, Contract Compliance, Case Studies, Mitigation
Beginner · Course · 1 - 3 Months

The University of Melbourne
Skills you'll gain: Cloud Computing, Cloud Services, Cloud Computing Architecture, Change Management, Organizational Change, Service Level Agreement, Stakeholder Engagement, Business Transformation, Workforce Planning, Contract Management, Governance, Key Performance Indicators (KPIs)
Beginner · Course · 1 - 3 Months

University at Buffalo
Skills you'll gain: Process Mapping, Data Collection, Process Improvement, Business Process, Process Analysis, Data-Driven Decision-Making, Performance Measurement, Data Validation, Business Process Modeling, Business Analytics, Operational Performance Management, Gap Analysis, Organizational Strategy, Key Performance Indicators (KPIs), Internet Of Things, Data Integrity
Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Data Processing, Data Manipulation, Data Visualization, Web Scraping, Data Visualization Software, Pandas (Python Package), Data Analysis, Data Preprocessing, Data Cleansing, Matplotlib, Data Import/Export, NumPy, Jupyter, JSON, Python Programming
Intermediate · Course · 1 - 3 Months

University of Minnesota
Skills you'll gain: AI Personalization, Machine Learning Algorithms, Predictive Modeling, Applied Machine Learning, Data Mining, Algorithms, Collaborative Software, Data Manipulation
Mixed · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Data Warehousing, Dashboard, Star Schema, Data Visualization Software, Data Mart, MicroStrategy, Business Intelligence, Data Integration, Data Architecture, Extract, Transform, Load, Data Modeling, Case Studies, PostgreSQL, SQL, Data Transformation
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Mechanical Engineering, Statistical Methods, Engineering, Physics, Probability Distribution, Physical Science, Chemistry, Calculus
Advanced · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Data Storytelling, Google Sheets, Data Visualization, Spreadsheet Software, Large Language Modeling, Data Literacy, Data Visualization Software, Business Analysis, Requirements Analysis, Data Analysis, Analytics, Exploratory Data Analysis, Data-Driven Decision-Making, Trend Analysis, Data Transformation, Stakeholder Engagement
Beginner · Course · 1 - 4 Weeks