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.

Board Infinity
Skills you'll gain: Node.JS, Full-Stack Web Development, User Interface (UI), Application Deployment, MongoDB, Angular, Back-End Web Development, Front-End Web Development, User Interface (UI) Design, Web Design, Web Applications, JavaScript Frameworks, Restful API, Secure Coding, Authentications, Authorization (Computing), Scalability
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Responsive Web Design, User Interface (UI) Design, User Interface (UI), Web Design, Maintainability, Layout Design, Cascading Style Sheets (CSS), Usability, Web Applications, Hypertext Markup Language (HTML), Color Theory, Animations, Creativity
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Customer Service, Advertising, Market Research, Value Propositions, Brand Management, Customer Relationship Management, Target Market, Marketing Communications, Logistics, Customer Insights, Supply Chain Management, Sales Management, B2B Sales, Marketing Strategies, Selling Techniques, Competitive Analysis, Communication
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: UI/UX Research, User Interface and User Experience (UI/UX) Design, User Experience, User Centered Design, Usability, User Flows, User Interface (UI) Design, Responsive Web Design, Interaction Design, Web Design, Typography, Prototyping, Persona Development
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Electronics, Communication Systems, Hardware Design, Digital Communications, Serial Peripheral Interface, Electronic Systems, Electrical Engineering, Telecommunications, Digital Signal Processing, Electrical Systems, Failure Analysis, Electronic Components, Estimation, Engineering Analysis, Simulation and Simulation Software
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Secure Coding, Application Security, Authorization (Computing), Authentications, Data Validation, Role-Based Access Control (RBAC), Verification And Validation, Security Controls, User Accounts, Configuration Management, Package and Software Management, Cybersecurity, Data Loss Prevention, Identity and Access Management, Software Installation, Middleware, Debugging, Computer Programming, Information Technology, Dependency Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: Rust (Programming Language), Development Environment, Programming Principles, Data Structures, Integrated Development Environments, System Programming, Algorithms
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: React.js, Responsive Web Design, Front-End Web Development, Bootstrap (Front-End Framework), JavaScript Frameworks, UI Components, Javascript, HTML and CSS, Web Applications, Event-Driven Programming, Web Development, User Interface (UI)
Intermediate · Course · 1 - 4 Weeks

Codio
Skills you'll gain: Algorithms, Data Structures, Java, Theoretical Computer Science, Computer Programming, Computational Thinking
Intermediate · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Engineering Calculations, Structural Engineering, Structural Analysis, Construction Engineering, Civil Engineering, Construction, Engineering Analysis, Building Codes, Engineering Practices, Engineering, Materials science, Conceptual Design, Engineering Design Process, Architecture and Construction, Maintenance, Repair, and Facility Services, Finite Element Methods, Property Maintenance, Continuous Monitoring, Hydraulics, Failure Analysis
Advanced · Specialization · 1 - 3 Months

L&T EduTech
Skills you'll gain: Manufacturing Processes, Manufacturing Operations, Production Process, Manufacturing Standards, Safety Standards, Technical Standard, Materials science, Design Reviews, Failure Analysis, Thermal Management
Intermediate · Course · 1 - 4 Weeks

Saïd Business School, University of Oxford
Skills you'll gain: FinTech, Financial Inclusion, Financial Services, Mobile Banking, Banking Services, Data Sharing, Financial Regulation, Application Programming Interface (API), Financial Data, Banking, Payment Systems, International Finance, Retail Banking, API Design, Finance, Interoperability, Open Source Technology, Strategic Thinking, Data Access, General Data Protection Regulation (GDPR)
Beginner · Course · 1 - 3 Months