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 Washington
Skills you'll gain: Responsive Web Design, Web Design, HTML and CSS, User Experience Design, Cascading Style Sheets (CSS), Usability, Web Content Accessibility Guidelines, User Experience, Javascript, Front-End Web Development, Systems Development Life Cycle, Hypertext Markup Language (HTML), Mockups, GitHub
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Oral Expression, Driving engagement, Sales Presentations, Business Communication, Data Visualization
Beginner · Course · 1 - 3 Months

Skills you'll gain: Agentic systems, AI Security, Data Ethics, Computer Security Awareness Training, Security Awareness, Responsible AI, Law, Regulation, and Compliance, Cybersecurity, Cyber Attacks, General Data Protection Regulation (GDPR), Cyber Risk, AI literacy, Human Factors (Security), Artificial Intelligence, Threat Detection, Information Privacy, Anomaly Detection, Governance
Beginner · Course · 1 - 3 Months

Skills you'll gain: Shiny (R Package), Interactive Data Visualization, Dashboard Creation, R (Software), Dashboard, User Interface (UI), UI Components, Data Integration, Server Side, Interactive Design, User Interface (UI) Design, Web Applications, Software Architecture, Event-Driven Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Server Side, Web Applications, Javascript, JSON, Node.JS, PHP (Scripting Language), Application Programming Interface (API), Extensible Markup Language (XML), Servers, HTML and CSS, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Transaction Processing, Data Lakes, Data Architecture, Databricks, Data Infrastructure, Data Pipelines, Data Warehousing, Data Integration, Apache Spark, Data Processing, Real Time Data, Big Data, Scalability, Performance Tuning, Data Quality, Data Storage Technologies, SQL
Intermediate · Course · 1 - 4 Weeks

Starweaver
Skills you'll gain: Threat Modeling, Open Web Application Security Project (OWASP), Secure Coding, DevSecOps, Application Security, Cloud Security, IT Security Architecture, Cloud Standards, Security Controls, Security Testing, Hybrid Cloud Computing, Multi-Cloud, Containerization, Software Development, Continuous Monitoring, Cybersecurity, Supply Chain, Dependency Analysis
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Angular, Responsive Web Design, Front-End Web Development, React.js, Web Design, UI Components, Web Design and Development, Frontend Integration, JavaScript Frameworks, Web Development, Application Frameworks, User Interface (UI), Code Reusability, Context Management
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Dashboard, Dashboard Creation, Performance Reporting, Issue Tracking, Data Visualization, Microsoft Excel, Project Management Software, Project Schedules, Agile Project Management, Project Management, Workflow Management, Analysis, Data Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: User Provisioning, Azure Active Directory, Cloud Security, Microsoft Azure, Security Information and Event Management (SIEM), Identity and Access Management, Role-Based Access Control (RBAC), IT Security Architecture, Security Controls, Multi-Factor Authentication, Authentications, Continuous Monitoring, Key Management, Threat Detection, Incident Response, General Data Protection Regulation (GDPR), Automation
Intermediate · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Blockchain, Digital Assets, FinTech, Key Management, Risk Analysis, Market Liquidity, Investments, Asset Management, Return On Investment, Risk Management, Portfolio Management, Security Awareness
Mixed · Course · 1 - 3 Months

Skills you'll gain: Internet Of Things, TCP/IP, Network Protocols, General Networking, PIC Microcontrollers, Communication Systems, Interoperability, Wireless Networks, Cloud Services, Electrical Wiring, Cloud Storage, Microarchitecture, Field-Programmable Gate Array (FPGA), Restful API, Cloud Solutions, Electrical Equipment, Basic Electrical Systems, Power Electronics, Electrical Power, Electric Power Systems
Mixed · Course · 1 - 4 Weeks