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.

Logical Operations
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), HTML and CSS, Web Development Tools, Web Development, Javascript, JavaScript Frameworks, Web Content, Frontend Performance, Web Servers, Software Development Tools, Web Design and Development, Web Design, Front-End Web Development, Web Applications, Apache, Development Environment, Semantic Web, Software Development
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Cascading Style Sheets (CSS), User Interface (UI) Design, UI Components, User Interface (UI), User Interface and User Experience (UI/UX) Design, Browser Compatibility, Web Design, Responsive Web Design, Usability, Animations, Web Development
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Building Services Engineering, HVAC, Thermal Management, Building Design, Energy and Utilities, Electrical Systems, Climate Change Mitigation, Electrical Power, Electric Power Systems, Systems Design, Construction, Sustainable Technologies, Control Systems, Engineering Calculations
Intermediate · Course · 1 - 3 Months
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, Vulnerability Scanning, Vulnerability Assessments, Security Awareness, Dependency Analysis, Amazon Elastic Compute Cloud, Compliance Management, Automation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: GitHub, Version Control, Bootstrap (Front-End Framework), .NET Framework, Model View Controller, Microsoft Visual Studio, Cross Platform Development, Microsoft Development Tools, Development Environment, Authentications, Git (Version Control System), Web Applications, OAuth, C# (Programming Language), jQuery, Software Development Tools, Software Versioning, Responsive Web Design, Web Design and Development, Object-Relational Mapping
Beginner · Course · 1 - 3 Months

Skills you'll gain: Software Architecture, Computer Graphics, Software Design, Maintainability, Systems Architecture, Software Design Patterns, Code Reusability, Software Visualization, Systems Design, Scalability, System Design and Implementation, Computer Graphic Techniques, Performance Tuning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: OpenAI API, ChatGPT, Unified Modeling Language, OpenAI, LLM Application, AI Integrations, Generative AI Agents, AI Workflows, Diagram Design, Prompt Engineering, Software Visualization, Technical Communication, User Story
Intermediate · Guided Project · Less Than 2 Hours

Alex Genadinik
Skills you'll gain: Surveys, Market Research, Survey Creation, User Feedback, Customer Insights, User Research, Research Methodologies, Customer experience improvement, Client Support, Interrigatories
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: CrewAI, Prompt Engineering, AI Workflows, AI Orchestration, Context Engineering, Agentic Workflows, Generative AI Agents, Agentic systems, LLM Application, Prompt Patterns, Large Language Modeling, Workflow Management, Generative AI, Virtual Environment, Python Programming, Model Evaluation, Development Environment
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cyber Threat Intelligence, Cybersecurity, Cyber Attacks, Computer Security Incident Management, Cyber Security Assessment, Incident Management, Threat Detection, Intrusion Detection and Prevention, Threat Management, Exploitation techniques, Application Security, Vulnerability Management, Network Security, Security Testing, Human Factors (Security), Anomaly Detection, Network Analysis, Data Persistence
Intermediate · Course · 1 - 3 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Bayesian Statistics
Beginner · Course · 1 - 3 Months

Skills you'll gain: Internet Of Things, PIC Microcontrollers, Cybersecurity, Wireless Networks, Information Systems Security, Information Privacy, Field-Programmable Gate Array (FPGA), Safety and Security, Cloud Services, Software Development, Power Electronics, Microarchitecture, Software Development Life Cycle, Basic Electrical Systems, Systems Development Life Cycle, Restful API, Electrical Wiring, Electrical Equipment, Electric Power Systems, Electrical Power
Beginner · Specialization · 1 - 3 Months