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: Open Web Application Security Project (OWASP), SonarQube, DevSecOps, Jenkins, Software Development Life Cycle, CI/CD, Application Security, Secure Coding, Continuous Integration, DevOps, Security Testing, Continuous Delivery, Code Review, Vulnerability Assessments, Vulnerability Management, Security Awareness, Docker (Software), Dependency Analysis, Compliance Management, Automation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Bootstrap (Front-End Framework), Responsive Web Design, UI Components, HTML and CSS, Application Deployment, Web Design, Web Development, Front-End Web Development, Javascript, Cloud Hosting, User Interface (UI), Typography, Animations
Beginner · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), C++ (Programming Language), Development Environment, Computer Programming, Maintainability, Data Structures, Command-Line Interface, Debugging
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Responsible AI, MLOps (Machine Learning Operations), Model Deployment, Jenkins, AI Security, Applied Machine Learning, Java, Continuous Deployment, Federated Learning, Artificial Intelligence, Machine Learning, Spring Framework, Application Deployment, Reinforcement Learning, Spring Boot, Enterprise Application Management
Intermediate · Course · 1 - 4 Weeks

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

LearnKartS
Skills you'll gain: Responsive Web Design, AI Personalization, Web Analytics and SEO, HTML and CSS, Web Content, Application Security, Web Servers, Cloud Hosting, Control Panels
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Exploit development, Penetration Testing, Cybersecurity, Ansible, Malware Protection, Incident Response, Security Engineering, Cloud Deployment, Infrastructure as Code (IaC), Cloud Platforms, Terraform, Cloud Computing, Cloud Infrastructure, Virtualization, Virtual Machines, Linux, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Writing, Storytelling, Journals, Personal Development, Persistence, Lifelong Learning, Self-Awareness, Self-Motivation, Self-Discipline, Resilience, Creativity, Mindfulness, Mental Concentration, Emotional Intelligence, Overcoming Obstacles
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Network Troubleshooting, General Networking, OSI Models, Network Protocols, Networking Hardware, TCP/IP, Microsoft Windows, Network Routers, Network Switches, Network Administration, Computer Networking, Technical Support and Services, Command-Line Interface, iOS Development, Operating Systems, Configuration Management
Beginner · 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: Responsive Web Design, HTML and CSS, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Web Design and Development, Front-End Web Development, Web Design, Maintainability, Web Development, Semantic Web, Web Content Accessibility Guidelines
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Responsible AI, Loan Origination, Consumer Lending, Commercial Lending, Loan Documentation, Workflow Management, Generative AI, Regulatory Compliance, AI Enablement, Customer Communications Management, Credit Risk, Financial Services, Business Process Automation
Intermediate · Course · 1 - 4 Weeks