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: Selenium (Software), Test Script Development, Test Automation, Eclipse (Software), Software Testing, UI Components, Integrated Development Environments, Web Applications, Java, Functional Testing
Beginner · Guided Project · Less Than 2 Hours

Universidad de los Andes
Skills you'll gain: HTML and CSS, Responsive Web Design, Hypertext Markup Language (HTML), Web Design and Development, Bootstrap (Front-End Framework), Web Design, Cascading Style Sheets (CSS), Web Development, Front-End Web Development, UI Components, Typography
Build toward a degree
Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: PySpark, Databricks, Data Pipelines, Apache Spark, MLOps (Machine Learning Operations), Apache Hadoop, Big Data, Data Warehousing, Data Quality, Data Integration, Data Processing, Database Architecture and Administration, DevOps, Distributed Computing, Data Transformation, SQL, Python Programming
Advanced · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Statistical Hypothesis Testing, Descriptive Statistics, Statistical Visualization, Data Transformation, Data Cleansing, Statistical Analysis, Regression Analysis, Probability, Probability Distribution, Sampling (Statistics), Box Plots, Histogram, R Programming, Statistical Methods, Scatter Plots, Microsoft Excel, Probability & Statistics, Statistics, Data Import/Export, Data Analysis
Beginner · Specialization · 3 - 6 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Loss Prevention, Waste Minimization, Food Quality Assurance And Control, Supply Chain, Food and Beverage, Supply Chain Management, Production Process, Market Dynamics, Economics, Capacity Planning, Stakeholder Management, Analysis, Education and Training, Innovation
Beginner · Course · 1 - 3 Months

Skills you'll gain: TikTok, Storytelling, Video Editing, Content Creation, Video Production, Social Media Content, Social Media, Drive Engagement, Target Audience, Business Marketing, Customer Engagement, User Accounts
Beginner · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Clinical Leadership, Nursing Administration, Nursing Management, Leadership, Nursing, Health Informatics, Informatics, Health Care, Innovation, General Networking
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Database Design, Software Design, Usability Testing, User Interface and User Experience (UI/UX) Design, Software Architecture, Software Design Patterns, Database Management, Systems Design, Application Security, Design Strategies, Operating Systems
Intermediate · Course · 1 - 3 Months

Curtis Institute of Music
Skills you'll gain: Classical Music, Music Theory, Music, Music History, Musical Composition
Beginner · Course · 1 - 3 Months

Rice University
Skills you'll gain: Diversity Equity and Inclusion Initiatives, Diversity and Inclusion, Diversity Awareness, Demography, Workplace inclusivity, Organizational Development, Cultural Diversity, Organizational Effectiveness, Organizational Change
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Data Presentation, Data Cleansing, Predictive Analytics, Business Analytics, Financial Analysis, Advanced Analytics, Data Preprocessing, Data Analysis, Technical Communication, Investment Management, Data Manipulation, Model Evaluation, Statistical Modeling, Regression Analysis, Classification Algorithms
Intermediate · Course · 1 - 4 Weeks

Columbia University
Skills you'll gain: Care Coordination, Value-Based Care, Health Informatics, Interoperability, Health Technology, Healthcare Ethics, Patient Education and Support, Patient-centered Care, Health Care, Health Information Management, Primary Care, Electronic Medical Record, Telehealth, Health Policy, Communication
Beginner · Course · 1 - 3 Months