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: Sales Process, Active Listening, Prospecting and Qualification, Business Communication, Sales, Inside Sales, Customer Analysis, Technical Sales, Outside Sales, Interviewing Skills
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Electronics, Communication Systems, Hardware Design, Digital Communications, Electronic Systems, Electrical Engineering, Digital Signal Processing, Failure Analysis, Electronic Components, Estimation, Debugging, Network Analysis, Simulation and Simulation Software
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Prototyping, User Interface (UI) Design, Figma (Design Software), Mobile Development, User Interface and User Experience (UI/UX) Design, Application Design, Mockups, Collaborative Software
Beginner · Guided Project · Less Than 2 Hours

Codio
Skills you'll gain: Prompt Engineering, OpenAI API, Generative AI, Animations, Image Analysis, Graphics Software, Computer Graphics, Application Programming Interface (API), Pandas (Python Package), Integrated Development Environments
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Ggplot2, Plot (Graphics), Data Visualization Software, Exploratory Data Analysis, Data Presentation, Data Storytelling, Scatter Plots, Tidyverse (R Package), R Programming, Box Plots, Histogram, Animations, Data Manipulation
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Target Market, Persona Development, Systems Thinking, Technical Management, Business Modeling, Product Lifecycle Management, Entrepreneurship, Business Planning, Operations Management, Engineering Management, Market Analysis, New Product Development, Governance, Performance Metric, Leadership, Business Strategy, Engineering, Recruitment Strategies
Build toward a degree
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Vue.JS, JavaScript Frameworks, UI Components, Web Development Tools, Development Environment, Front-End Web Development, Event-Driven Programming, Web Applications, Android Development, Data Store
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Robotics, Data Mapping, Real-Time Operating Systems, Simulations, Linear Algebra, Python Programming, Algorithms, Computer Programming
Build toward a degree
Intermediate · Course · 1 - 3 Months

Codio
Skills you'll gain: Algorithms, Data Structures, Java, Theoretical Computer Science, Computer Programming, Computational Thinking
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Flutter (Software), Mobile Development, UI Components, Cross Platform Development, Maintainability, Microsoft Visual Studio, Development Environment, Application Development, Object Oriented Programming (OOP), Programming Principles, Computer Programming, Software Installation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Secure Coding, Application Security, Authorization (Computing), Authentications, Data Validation, Role-Based Access Control (RBAC), Verification And Validation, Security Controls, User Accounts, Configuration Management, Package and Software Management, Cybersecurity, Data Loss Prevention, Identity and Access Management, Software Installation, Middleware, Debugging, Computer Programming, Information Technology, Dependency Analysis
Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Pre-Clinical Development, Clinical Research, Drug Development, Clinical Trials, Medical Science and Research, Pharmaceuticals, Laboratory Research, Science and Research, Research
Beginner · Course · 1 - 4 Weeks