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: Intrusion Detection and Prevention, Continuous Monitoring, Threat Management, Firewall, Incident Response, Network Security, Threat Detection, Network Monitoring, Information Systems Security, Infrastructure Security, Cybersecurity
Advanced · Course · 1 - 4 Weeks

Universitat de Barcelona
Skills you'll gain: Education and Training, Intercultural Competence, Culture, Teaching, Training Programs, Cultural Diversity, Curriculum Planning, Instructional Strategies, Student Engagement, Research, Research Methodologies, International Relations, Student-Centred Learning, Pedagogy, Diversity Awareness, Sustainable Development
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Unity Engine, Video Game Development, C# (Programming Language), Game Design, Object Oriented Programming (OOP), Software Design, Programming Principles, Application Development, UI Components
Intermediate · Course · 1 - 4 Weeks

28DIGITAL
Skills you'll gain: File I/O, Data Structures, Theoretical Computer Science, Data Storage Technologies, Algorithms, Graph Theory, Data Access, Performance Tuning
Advanced · Course · 1 - 3 Months

Scrimba
Skills you'll gain: HTML and CSS, Responsive Web Design, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), File Management, Web Design, Front-End Web Development, Web Development
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Network Architecture, Emerging Technologies, Internet Of Things, Network Security, Network Protocols, Wireless Networks, Network Performance Management, Network Planning And Design, Network Infrastructure, Communication Systems, Mobile Security, Cybersecurity, Cloud Engineering, Telecommunications, General Networking, Technology Roadmaps, Artificial Intelligence and Machine Learning (AI/ML), Automation, Technology Strategies, Cloud Computing
Intermediate · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Rmarkdown, Tidyverse (R Package), Ggplot2, Spatial Data Analysis, Data Visualization Software, Statistical Visualization, Geospatial Information and Technology, Data Manipulation, Scatter Plots, Plotly, Interactive Data Visualization, R Programming, Data Mapping, Animations
Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Self-Awareness, Personal Development, Emotional Intelligence, Time Management, Decision Making, Engineering Management, Cognitive flexibility, Leadership, Critical Thinking, Psychology, Adaptability
Build toward a degree
Beginner · Course · 1 - 3 Months

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

Rutgers the State University of New Jersey
Skills you'll gain: Purchasing, Procurement, Strategic Sourcing, Target Audience, Supply Chain Management
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: SQL, PostgreSQL, Query Languages
Advanced · Guided Project · Less Than 2 Hours

Skills you'll gain: Object Oriented Programming (OOP), Programming Principles, Computer Programming, Scripting Languages, Python Programming, Scripting, Computer Science
Intermediate · Course · 1 - 4 Weeks