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.

University of Maryland, College Park
Skills you'll gain: No-Code Development, Application Development, User Experience, User Interface (UI), Data Modeling, Application Design, Cloud-Based Integration, Application Deployment, Automation, Cloud Applications, Salesforce, ServiceNow
Intermediate · Course · 1 - 3 Months

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

LearnQuest
Skills you'll gain: Teradata SQL, Data Modeling, Database Design, Database Administration, Database Architecture and Administration, Database Management, Database Management Systems, Data Architecture, Data Warehousing, SQL, Data Import/Export, Software Installation, Performance Tuning
Beginner · Course · 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

Skills you'll gain: Layout Design, Creative Design, Graphic and Visual Design Software
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Cloud-Native Computing, Istio, Docker (Software), Kubernetes, Containerization, Google Cloud Platform, Cloud Computing Architecture, Scalability, Microservices, Cloud Deployment, Application Deployment, Cloud Applications
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Telecommuting, Team Leadership, Peer Review, Rapport Building, Management Training And Development, Leadership and Management, Collaborative Software, Organizational Leadership, Team Motivation, Drive Engagement, Relationship Building, Initiative and Leadership, Remote Access Systems, Cross-Functional Collaboration, Communication Planning, Communication
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

Skills you'll gain: Amazon S3, Amazon Web Services, AWS CloudFormation, Cloud Storage, Infrastructure as Code (IaC), Data Security, AWS Identity and Access Management (IAM), Cloud Security, Performance Tuning, Data Storage, Command-Line Interface, Encryption
Intermediate · Course · 3 - 6 Months

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: Exploit development, Penetration Testing, Cyber Security Assessment, Cybersecurity, Ansible, Malware Protection, Incident Response, Cloud Deployment, Infrastructure as Code (IaC), Terraform, Cloud Computing, Virtualization, Virtual Machines, Amazon Web Services, Linux
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Open Web Application Security Project (OWASP), SonarQube, DevSecOps, Jenkins, Software Development Life Cycle, CI/CD, Application Security, Secure Coding, Continuous Integration, DevOps, Continuous Delivery, Code Review, Vulnerability Scanning, Vulnerability Assessments, Security Awareness, Dependency Analysis, Compliance Management, Automation
Intermediate · Course · 1 - 4 Weeks