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 California, Davis
Skills you'll gain: Responsive Web Design, HTML and CSS, Web Design, Cascading Style Sheets (CSS), GitHub, Front-End Web Development, Application Deployment, Web Development, User Interface (UI) Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: GitHub Copilot, Prompt Engineering, AI Integrations, Generative AI, ChatGPT, AI literacy, AI Workflows, Application Development, Code Review, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Rmarkdown, Plot (Graphics), Statistical Visualization, Data Presentation, Box Plots, Scatter Plots, Data Visualization, Interactive Data Visualization, Dashboard Creation, Histogram, Descriptive Statistics, Data Visualization Software, R (Software), R Programming, Integrated Development Environments, Data Science
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Web Applications, Web Design and Development, Debugging, HTML and CSS, Web Development, Mobile Development, Database Application, Web Development Tools, Responsive Web Design, Real Time Data, Frontend Performance, User Interface (UI), Secure Coding, Javascript, Data Access, Data Management, Application Deployment
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: CI/CD, Jenkins, Docker (Software), Continuous Integration, Containerization, Cloud-Native Computing, Scalability, Application Deployment, Cloud Deployment, Continuous Deployment, Spring Framework, Spring Boot, DevOps, Prometheus (Software), Amazon CloudWatch, AWS Identity and Access Management (IAM), Identity and Access Management, Load Balancing, OAuth, Performance Tuning
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Usability Testing, Usability, User Centered Design, User Experience Design, Responsive Web Design, Software Design Documents, Prototyping, Interaction Design, Software Documentation, Mockups, Systems Design, UI/UX Research, Design, Wireframing, User Interface (UI) Design, Design Elements And Principles
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Responsive Web Design, UI Components, Cascading Style Sheets (CSS), HTML and CSS, Web Design, Front-End Web Development, User Interface (UI), User Interface (UI) Design, Web Design and Development, Debugging, Web Development
Intermediate · Course · 1 - 4 Weeks

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Engineering, Thermal Management, Materials science, Physics, Engineering Calculations, Three-Phase, Physical Science, Applied Mathematics
Intermediate · Course · 1 - 3 Months

Dassault Systèmes
Skills you'll gain: SolidWorks (CAD), 3D Modeling, Computer-Aided Design, Assembly Drawing, Drafting and Engineering Design, Mechanical Design, Simulation and Simulation Software, Engineering Design Process, Mechanical Engineering
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Interviewing Skills, Management Training And Development, Job Analysis, People Analytics, Data-Driven Decision-Making, Recruitment, Organizational Effectiveness, Talent Recruitment, Team Performance Management, Diversity Training, Workplace inclusivity, Diversity and Inclusion, Recruitment Strategies, Talent Acquisition, Performance Measurement, Decision Making, Communication
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Jira (Software), Backlogs, Kanban Principles, Collaborative Software, Project Management Software, User Story, Project Management, Agile Methodology, Work Breakdown Structure, Issue Tracking, Organizational Skills, Workflow Management, Prioritization
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: jQuery, Code Reusability, Object Oriented Design, Data Structures, Javascript and jQuery, Programming Principles, Web Development Tools, Data Management, Microsoft Development Tools, Computational Logic
Intermediate · Course · 1 - 4 Weeks