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: Kaizen Methodology, Process Improvement, Software Quality Assurance, Quality Improvement, Change Management, Organizational Change, Continuous Improvement Process, Lean Methodologies, Quality Assurance, Waste Minimization, Test Tools, Issue Tracking, Application Lifecycle Management, Process Mapping
Mixed · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: HTML and CSS, Hypertext Markup Language (HTML), Responsive Web Design, Web Design, Interactive Design, Cascading Style Sheets (CSS), Web Content Accessibility Guidelines, Usability, User Interface (UI) Design, UI Components, Browser Compatibility, Web Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Calculus, Applied Mathematics, NumPy, Machine Learning Algorithms, Data Science, Tensorflow, Python Programming, Derivatives, Algorithms, Development Environment
Intermediate · Course · 1 - 3 Months

Skills you'll gain: HTML and CSS, Cascading Style Sheets (CSS), Responsive Web Design, Web Design, Hypertext Markup Language (HTML), Front-End Web Development, User Interface (UI) Design, Semantic Web, Typography
Intermediate · Guided Project · Less Than 2 Hours

The University of Edinburgh
Skills you'll gain: Climate Change Adaptation, Climate Change Mitigation, Sustainable Development, Risk Management, Social Impact, Social Justice, Environmental Policy, Environmental Science, Forecasting, Mathematical Modeling, Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: Unity Engine, UI Components, Scripting, User Interface (UI), Torque (Physics), Responsive Web Design, User Interface (UI) Design, Object Oriented Programming (OOP), C# (Programming Language), Game Design, Animation and Game Design, Animations, Interactive Design, Usability, Video Game Development, Mechanics, Simulations, Mathematical Modeling, Physics, Debugging
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Kibana, Dashboard, Interactive Data Visualization, Web Analytics, Data Visualization Software, Exploratory Data Analysis, Data Analysis, Business Intelligence, Data Wrangling, Data Import/Export
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Unreal Engine, Virtual Environment, 3D Assets, Computer Graphics, Game Design, Video Game Development, Scalability, Performance Tuning
Intermediate · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Responsive Web Design, Wireframing, Bootstrap (Front-End Framework), Cascading Style Sheets (CSS), Web Design, HTML and CSS, Web Design and Development, Browser Compatibility, User Interface (UI), Mobile Development, Prototyping, Hypertext Markup Language (HTML), Javascript
Mixed · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Cascading Style Sheets (CSS), UI Components, Interactive Design, HTML and CSS, User Interface (UI), Interaction Design, Responsive Web Design, User Interface (UI) Design, Web Components, Web Design, Animations, Web Development
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Apple iOS, Apple Xcode, Swift Programming, Mobile Development, User Interface (UI), UI Components, Model View Controller, Application Development, Responsive Web Design, Storyboarding
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: React.js, Server Side, JavaScript Frameworks, Node.JS, Web Development Tools, Web Development, Web Applications, Software Engineering
Intermediate · Guided Project · Less Than 2 Hours