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.

Skills you'll gain: Figma (Design Software), Responsive Web Design, Technical Design, User Experience Design, User Interface and User Experience (UI/UX) Design, Layout Design, User Interface (UI) Design, Design Strategies, Web Design, Typography, Usability, E-Commerce, UI/UX Strategy, Design Elements And Principles, Prototyping, UI Components, Client Services
★ 4.3 (32) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: User Interface (UI) Design, Data Persistence, Data Store, Object Oriented Design, Database Application, Database Management, Real Time Data, Program Development, Package and Software Management, Computer Programming, Code Reusability, Data Management, Software Installation, Data Modeling
★ 4.6 (32) · Intermediate · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: Software Quality Assurance, Software Development Life Cycle, Quality Assurance, Software Quality (SQA/SQC), Software Documentation, Functional Testing, Software Testing, Software Development Methodologies, Acceptance Testing, Test Case, Maintainability, Test Planning, Unit Testing, Software Design, Technical Documentation, Waterfall Methodology, Agile Methodology
★ 4.1 (27) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: API Testing, Test Automation, Test Script Development, Test Tools, Application Programming Interface (API), Restful API, Software Testing, Code Reusability, Configuration Management, Java Programming, Maintainability
★ 4.3 (31) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Responsive Web Design, User Interface (UI), UI Components, Figma (Design Software), UI/UX Strategy, User Interface and User Experience (UI/UX) Design, Prototyping, Usability, Usability Testing, Web Design, Interactive Design, User Experience Design, Mobile Development, Style Guides, Web Development, Animations
★ 5 (30) · Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Executive Presence, Succession Planning, Team Performance Management, Team Management, Organizational Structure, Diversity and Inclusion, Delegation Skills, Diversity Equity and Inclusion Initiatives, People Development, Organizational Leadership, Engineering Management, Team Building, People Management, Diversity Awareness, Leadership and Management, Team Leadership, Telecommuting, Talent Management, Leadership, Leadership Development
★ 4.4 (19) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Microsoft Copilot, Competitive Analysis, Marketing Operations, Marketing Design, Marketing Strategies, Marketing Planning, Performance Reporting, Campaign Planning, Marketing Channel, Cross-Channel Marketing, Generative AI, Market Intelligence, Microsoft 365, Customer Analysis, Market Research, Artificial Intelligence, Customer experience improvement, Customer Retention
★ 4.7 (20) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Employee Surveys, Employee Engagement, User Feedback, Performance Measurement, Microsoft 365, Performance Analysis, Business Research, Customer experience improvement, Customer Insights, Analysis, Customer Analysis, Market Research, User Research, Business Strategy
★ 4.4 (24) · Beginner · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, HTML and CSS, Web Design and Development, Front-End Web Development, Web Design, Computer Programming
★ 4.9 (48) · Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Terraform, Infrastructure as Code (IaC), Infrastructure As A Service (IaaS), Cloud Infrastructure, Amazon Web Services, IT Automation, Amazon Elastic Compute Cloud, Code Reusability, Infrastructure Architecture, Cloud Management, Cloud Platforms, Data Security, Dependency Analysis
★ 4.1 (21) · Intermediate · Course · 1 - 4 Weeks

Queen Mary University of London
Skills you'll gain: Tax, Tax Laws, Law, Regulation, and Compliance, Cloud Services, Tax Compliance, Cloud Computing, Regulation and Legal Compliance, Cloud Storage, Corporate Tax, Income Tax, General Data Protection Regulation (GDPR), Data Access, Data Sharing, Digital Forensics, Interoperability, Competitive Analysis, Market Analysis, Market Dynamics
★ 4.8 (43) · Beginner · Course · 1 - 4 Weeks

Dassault Systèmes
Skills you'll gain: SolidWorks (CAD), 3D Modeling, Computer-Aided Design, Drafting and Engineering Design, Mechanical Design
★ 5 (26) · Beginner · Course · 1 - 4 Weeks