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.

Johns Hopkins University
Skills you'll gain: Rmarkdown, Data Science, Version Control, R (Software), Big Data, R Programming, Data Visualization Software, General Science and Research, GitHub, Statistical Programming, Git (Version Control System), Data Analysis, Exploratory Data Analysis, Integrated Development Environments, Software Installation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: ASP.NET, Model View Controller, .NET Framework, Object-Relational Mapping, Database Management, Data Access, Full-Stack Web Development, Web Development, Web Applications, Software Architecture, Middleware, Software Design Patterns, User Interface (UI)
Intermediate · Course · 1 - 3 Months

American Psychological Association
Skills you'll gain: Statistical Hypothesis Testing, Quantitative Research, Statistical Software, Statistical Analysis, Data Analysis, Probability & Statistics, Analysis, Statistical Methods, Statistical Inference, Analytical Skills, Statistics, Psychology, Regression Analysis, Research
Beginner · Course · 1 - 3 Months

Skills you'll gain: Email Security, Incident Response, Computer Security Incident Management, Malware Protection, Cybersecurity, Network Security, Intrusion Detection and Prevention, Cyber Security Strategy, Threat Detection, Distributed Denial-Of-Service (DDoS) Attacks, Wireless Networks
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unix Commands, Unix, Unix Shell, Remote Access Systems, Scripting, Systems Administration, Operating System Administration, Command-Line Interface, IT Automation, Linux, User Accounts, File Management, File Systems, Role-Based Access Control (RBAC), File Transfer Protocol (FTP)
Intermediate · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: Virtual Local Area Network (VLAN), Network Security, Network Troubleshooting, Dynamic Host Configuration Protocol (DHCP), Network Architecture, TCP/IP, Routing Protocols, Network Switches, Network Routing, Open Shortest Path First (OSPF), Wireless Networks, Ansible, General Networking, Network Infrastructure, Software-Defined Networking, Computer Networking, OSI Models, Local Area Networks, Network Planning And Design, Virtual Private Networks (VPN)
Beginner · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Markov Model, Engineering Analysis, Mathematical Modeling, Computational Thinking, Failure Analysis, Biological Engineering, Hazard Analysis, Simulations, Chemical Engineering, Model Evaluation, Applied Mathematics, Differential Equations, Probability
Build toward a degree
Intermediate · Course · 1 - 3 Months

University of Virginia
Skills you'll gain: Model View Controller, Debugging, Software Design, User Interface and User Experience (UI/UX) Design, User Interface (UI), UI Components, Web Applications, Algorithms, JSON, Program Development, User Story, Javascript, Event-Driven Programming, Automation, Data Structures
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: PyTorch (Machine Learning Library), Computer Vision, NumPy, Matplotlib, Convolutional Neural Networks, Deep Learning, Pandas (Python Package), Image Analysis, Python Programming, Artificial Neural Networks, Data Manipulation
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Responsive Web Design, User Interface (UI) Design, Web Development Tools, HTML and CSS, Front-End Web Development, Javascript, Bootstrap (Front-End Framework), React.js, UI Components, Back-End Web Development, Semantic Web
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: IT Security Architecture, Information Systems Security Assessment Framework (ISSAF), Information Systems Security, Zero Trust Network Access, Risk Management Framework, Application Security, Threat Modeling, Cybersecurity, Security Management, Vulnerability Assessments, Network Security, Cyber Security Strategy, Solution Architecture, Security Controls, Data Security, Cyber Security Assessment, Cyber Risk, Enterprise Architecture, Data Integrity
Beginner · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Backlogs, Sprint Planning, Prioritization, Scope Management, Agile Project Management, Agile Methodology, Scheduling, Capacity Management, Project Management, Workflow Management, User Story, Team Management, Timelines
Beginner · Course · 1 - 3 Months