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: Unit Testing, Test Case, Application Deployment, Responsive Web Design, Continuous Deployment, Maintainability, LinkedIn, Cascading Style Sheets (CSS), Front-End Web Development, Software Testing, Test Script Development, HTML and CSS, Development Testing, Hypertext Markup Language (HTML), Interviewing Skills, Web Development Tools, Debugging, Web Development, Application Development, Software Documentation
Intermediate · Specialization · 1 - 3 Months

Akamai Technologies, Inc.
Skills you'll gain: HTML and CSS, Responsive Web Design, Hypertext Markup Language (HTML), Web Design and Development, Cascading Style Sheets (CSS), Web Development, Web Applications, Web Design, Front-End Web Development, Animations, Web Content, Embeddings, Color Theory
Beginner · Course · 1 - 3 Months

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

Arizona State University
Skills you'll gain: Sustainable Development, Sustainability Reporting, Waste Minimization, Interactive Learning, Sustainable Business, Sustainable Architecture, Corporate Sustainability, Construction, Student Engagement, Environment, Environmental Issue, Key Performance Indicators (KPIs), Goal Setting, Climate Change Adaptation, Problem Solving, Professional Development, Action Oriented, Peer Review, Business Communication
Beginner · Course · 1 - 3 Months

Technical University of Munich (TUM)
Skills you'll gain: Supply Chain Management, Supply Chain, Inventory Control, Supply Chain Systems, Supply Chain Planning, Supplier Management, Logistics, Operational Performance Management, Cost Reduction, Performance Measurement, Business Technologies, Demand Planning, Risk Mitigation, Financial Analysis, Coordination
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: SQL, GitHub, Version Control, Git (Version Control System), MySQL, Query Languages, Jupyter, Development Environment
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Community Organizing, Community Development, Social Justice, Community and Social Work, Advocacy, Discussion Facilitation, Journalism, Diversity Awareness, Public History, Public Policies, Policy Analysis
Beginner · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: Exploratory Data Analysis, Rmarkdown, R (Software), Plot (Graphics), Tidyverse (R Package), Statistical Visualization, Data Visualization, Data Visualization Software, R Programming, Data Analysis, Ggplot2, Data Wrangling, Scatter Plots, Data Manipulation, Histogram, Statistical Reporting, Scripting, Package and Software Management, Scripting Languages, Data Transformation
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Integral Calculus, Calculus, Geometry, Applied Mathematics, Numerical Analysis, Mechanics, Mathematical Modeling, Physics
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Secure Coding, Distributed Denial-Of-Service (DDoS) Attacks, Application Security, Authorization (Computing), Authentications, Data Validation, Encryption, Security Software, Security Controls, Data Security, Vulnerability Scanning, Endpoint Security, Role-Based Access Control (RBAC), Intrusion Detection and Prevention, Database Application, Security Awareness, Cybersecurity, Web Applications, Configuration Management, Web Development Tools
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Adobe InDesign, Layout Design, Typography, Graphic Design, Adobe Creative Cloud, Design, Digital Design, Design Software
Beginner · Guided Project · Less Than 2 Hours

Universidade de São Paulo
Skills you'll gain: Cultural Diversity, Culture, Anthropology, Aesthetics, Liberal Arts, Psychology, Physics, Biology
Beginner · Course · 1 - 3 Months