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: Integral Calculus, Calculus, Geometry, Applied Mathematics, Linear Algebra, Advanced Mathematics, Mathematical Theory & Analysis, Derivatives, Graphing
Mixed · Course · 1 - 3 Months
Coursera
Skills you'll gain: Bash (Scripting Language), Shell Script, Scripting, Command-Line Interface, Unix Shell, Unix Commands, Linux Commands, Unix, Linux, File I/O, File Management
Intermediate · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Tidyverse (R Package), Data Wrangling, R (Software), Data Cleansing, Data Transformation, Data Manipulation, R Programming, Data Science, Exploratory Data Analysis, Data Analysis, Data Management, File Management, Data Visualization, Data Import/Export
Beginner · Course · 1 - 3 Months

ISAE-SUPAERO
Skills you'll gain: Thermal Management, Energy and Utilities, Mechanics, Control Systems, Engineering Analysis, Engineering Calculations, Engineering, Mathematical Modeling, Physics
Intermediate · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Forecasting, Time Series Analysis and Forecasting, Case Studies, Business Metrics, Business Economics, Microsoft Excel, Decision Making, Data Analysis, Data Visualization, Probability & Statistics
Intermediate · Course · 1 - 3 Months

Skills you'll gain: File I/O, Data Import/Export, Java Programming, Java, Computer Programming, Data Structures, Object Oriented Programming (OOP), Integrated Development Environments, Computer Science
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Accountability, Executive Presence, Decision Making, Conflict Management, Business Ethics, Succession Planning, Technical Management, Risk Management, Team Management, Organizational Structure, Stakeholder Management, Diversity and Inclusion, Delegation Skills, Professional Networking, Strategic Leadership, Business Relationship Management, Culture Transformation, Business Strategy, Organizational Leadership, Leadership
Build toward a degree
Beginner · Specialization · 3 - 6 Months

Arizona State University
Skills you'll gain: Cyber Attacks, Data Security, Safety and Security, Cybersecurity, Computer Security Awareness Training, digital literacy, Information Systems Security, Security Strategy, Security Controls, Data Loss Prevention, Incident Response, Data Storage, Vulnerability Assessments, Patch Management
Mixed · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Proposal Development, Sustainable Development, Environmental Issue, Stakeholder Engagement, Corporate Sustainability, Sustainable Business, Proposal Writing, Social Impact, Budgeting, Financial Analysis, Feasibility Studies, Operational Analysis, Project Implementation, Case Studies, Cost Benefit Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Music Performance, Musical Composition, Music Theory, Instrumental Music, Performing Arts, Music, Electronic Media
Beginner · Course · 1 - 3 Months

Universiteit Leiden
Skills you'll gain: Sustainable Development, Sustainable Systems, Environment, Pollution Prevention, Climate Change Mitigation, Environmental Policy, Environmental Science, Systems Thinking, Climate Change Adaptation, Biology, Community Organizing
Beginner · Course · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Capital Markets, Financial Market, Investment Banking, Securities Trading, Investments, Market Liquidity, Private Equity, Sales, Financial Industry Regulatory Authorities, Business Acumen, Equities, Asset Management
Beginner · Course · 1 - 3 Months