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.

Yale University
Skills you'll gain: Environmental Science, Environmental Issue, Sustainable Development, Intercultural Competence, Culture, Ethical Standards And Conduct, Cultural Diversity, Liberal Arts, Social Justice, Advocacy
Beginner · Course · 1 - 3 Months

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

University of Michigan
Skills you'll gain: Manufacturing and Production, World History, International Relations, Aerospace Basic Quality System Standards, Political Sciences, Emerging Technologies, Timelines, Engineering Design Process
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prototyping, User Interface (UI) Design, Figma (Design Software), Mobile Development, Mockups, Wireframing, Collaborative Software
Beginner · Guided Project · Less Than 2 Hours

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

Skills you'll gain: Azure Active Directory, Authentications, Authorization (Computing), Microsoft Azure, Identity and Access Management, Active Directory, User Provisioning, Role-Based Access Control (RBAC), Single Sign-On (SSO), User Accounts, Cloud Security, Security Engineering, Multi-Factor Authentication
Intermediate · Course · 1 - 4 Weeks

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

Skills you'll gain: Transaction Processing, Data Persistence, Performance Tuning, System Programming, Operating Systems, C++ (Programming Language), System Configuration, Computer Architecture, Data Storage, Computer Hardware, Data Storage Technologies, Application Development
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Test Driven Development (TDD), Unit Testing, Development Testing, Software Testing, Testability, Java, Test Case
Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Health Disparities, Health Equity, Social Justice, Social Determinants Of Health, Public Health, Health Systems, Health Policy, Healthcare Industry Knowledge, Diversity Awareness, Health Care, Community Health, Sociology, Biology
Beginner · Course · 1 - 3 Months

Saïd Business School, University of Oxford
Skills you'll gain: Financial Inclusion, Responsible AI, Data Ethics, Data Governance, FinTech, Financial Data, AI Personalization, Mobile Banking, Data Sharing, Financial Regulation, Payment Systems, Financial Services, Open Source Technology, Finance, Business Ethics, Human Centered Design, Interoperability, Real Time Data, Product Design, Application Programming Interface (API)
Beginner · Course · 1 - 3 Months