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.

Codio
Skills you'll gain: Prompt Engineering, OpenAI API, Multimodal Prompts, Generative AI, Photo Editing, OpenAI, Animations, Computer Graphics, Application Programming Interface (API), Graphic and Visual Design
★ 4.3 (12) · Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Electrical Wiring, Wire Harnesses, Engineering Documentation, Schematic Diagrams, Diagram Design, Engineering Drawings, Electrical Systems, Blueprint Reading, Drafting and Engineering Design, Document Management, Software Documentation, Design Software, Computer-Aided Design, Technical Communication, Electrical Equipment, Technical Standard, Analysis
★ 3.2 (11) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: HTML and CSS, Hypertext Markup Language (HTML), Web Development, Web Language, Web Applications, Web Design and Development, Cascading Style Sheets (CSS), Web Design
★ 4.2 (14) · Beginner · Guided Project · Less Than 2 Hours
Erasmus University Rotterdam
Skills you'll gain: Corporate Communications, Crisis Management, Business Ethics, Case Studies, Public Relations, Social Media Management, Public Affairs, Facebook, Political Sciences, Business Leadership, Organizational Leadership, Governance, Data Ethics, Social Impact, Ethical Standards And Conduct, Leadership, Information Privacy, Stakeholder Analysis
★ 4.5 (14) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Test Automation, Software Testing, Test Script Development, Test Data, Test Tools, Browser Compatibility, Java, Cascading Style Sheets (CSS), Data Import/Export, Debugging, Maintainability
★ 4.4 (14) · Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Angular, Web Design and Development, Front-End Web Development, Responsive Web Design, React.js, JavaScript Frameworks, Web Development, Frontend Integration, Application Frameworks, UI Components, User Interface (UI), Event-Driven Programming, Maintainability
★ 4.4 (12) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cryptographic Protocols, Blockchain, Business Continuity Planning, Cryptography, Encryption, Business Continuity, Disaster Recovery, Data Management, Digital Assets, Security Management, Vulnerability Assessments, Security Architecture Review, Cybersecurity, Enterprise Security, Network Security, Threat Modeling, Asset Protection, Vulnerability Management, Data Security, Secure Coding
★ 5 (10) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Organizational Change, Change Management, Business Transformation, Organizational Development, Organizational Leadership, Leadership Studies, Organizational Strategy, Business Leadership, Strategic Leadership, Organizational Structure, Drive Engagement, Leadership Development, Cross-Functional Collaboration, Stakeholder Engagement, Employee Engagement, Driving engagement, Team Building, Industrial and Organizational Psychology, Lifelong Learning
★ 4.4 (21) · Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Enterprise Application Management, User Interface (UI), Development Environment, Query Languages, Data Validation
★ 3.3 (12) · Advanced · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Responsive Web Design, Restful API, User Interface (UI) Design, Application Programming Interface (API), Web Development Tools, User Interface (UI), Web Design and Development, Database Design, HTML and CSS, User Interface and User Experience (UI/UX) Design, API Gateway, API Design, Front-End Web Development, Web Design, MongoDB, Cascading Style Sheets (CSS), Database Theory, Database Management, OAuth, Software Documentation
★ 4.9 (10) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Change Management, Organizational Change, Culture Transformation, Business Transformation, Overcoming Obstacles, Business Leadership, Organizational Leadership, Organizational Structure, Leadership, Leadership Development, Lifelong Learning, Behavioral Management, Employee Engagement
★ 4.6 (23) · Beginner · Course · 1 - 4 Weeks

FAIR Institute
Skills you'll gain: Cyber Governance, Risk Analysis, Cyber Risk, Risk Modeling, Cyber Security Strategy, Cybersecurity, Governance, Governance Risk Management and Compliance, Risk Management Framework, Risk Management, Business Priorities, Strategic Decision-Making, Risk Mitigation, Business Risk Management, Strategic Prioritization, Compliance Reporting, Management Reporting, Strategic Leadership, Business Communication
★ 4.6 (15) · Intermediate · Course · 1 - 4 Weeks