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: Amazon Web Services, AWS Identity and Access Management (IAM), Amazon S3, Information Architecture, Machine Learning
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Employee Surveys, Employee Engagement, User Feedback, Microsoft 365, Business Intelligence Software, Performance Analysis, Internal Communications, Customer Insights, Customer Analysis, Business Software, Market Research, User Research, Data Analysis Software, Business Strategy
Beginner · Guided Project · Less Than 2 Hours
Imperial College London
Skills you'll gain: Virtual Reality, Augmented and Virtual Reality (AR/VR), Virtual Environment, Computer Graphics, Android Development, Computer Graphic Techniques, 3D Assets, Visualization (Computer Graphics), Application Development, Animation and Game Design
Intermediate · Course · 1 - 4 Weeks

Codio
Skills you'll gain: Algorithms, C++ (Programming Language), Data Structures, Computer Programming, Computational Thinking, Technical Design
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Integral Calculus, Calculus, Geometry, Applied Mathematics, Mechanics, Engineering Calculations, Mathematical Modeling, Physics
Intermediate · Course · 1 - 4 Weeks

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

Duke University
Skills you'll gain: Telehealth, Teamwork, Patient Communication, Collaboration, Medical Imaging, Patient Evaluation, Health Technology, Vital Signs, Health Assessment, Patient Preparation, Patient Coordination, Clinical Assessment, Patient Education And Counseling, Patient-centered Care, Patient Treatment, Patient Flow, Health Care, Telecommunications, Care Management, Communication
Beginner · Specialization · 1 - 4 Weeks

Skills you'll gain: Routing Protocols, TCP/IP, Network Switches, Virtual Local Area Network (VLAN), Network Protocols, Network Security, Network Routing, Network Troubleshooting, Computer Networking, Open Shortest Path First (OSPF), Dynamic Host Configuration Protocol (DHCP), Border Gateway Protocol, Firewall, Proxy Servers, Encryption, Authentications
Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Responsive Web Design, HTML and CSS, Cascading Style Sheets (CSS), Web Design and Development, Mobile Development, Front-End Web Development, Web Design, Web Development, Application Deployment, Cloud Deployment, User Interface (UI), User Interface (UI) Design, UI Components, Software Engineering
Intermediate · Specialization · 1 - 4 Weeks

The University of Edinburgh
Skills you'll gain: Physics, Laboratory Research, Mechanics, Experimentation, Mathematical Modeling, electromagnetics, General Science and Research, Applied Mathematics
Intermediate · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Grammar, English Language
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