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.

Scrimba
Skills you'll gain: Responsive Web Design, HTML and CSS, Cascading Style Sheets (CSS), Web Design and Development, Mobile Development, Front-End Web Development, Web Design, Web Development, Application Deployment, Cloud Deployment, User Interface (UI), User Interface (UI) Design, UI Components, Software Engineering
Intermediate · Specialization · 1 - 4 Weeks

Skills you'll gain: Adobe After Effects, Animations, Logo Design, Motion Graphics, Graphical Tools, Graphic Design, File Management
Beginner · Course · 1 - 4 Weeks

Indian Institute for Human Settlements
Skills you'll gain: Social Justice, Child Development, Community Development, Working With Children, Education and Training, Socioeconomics, Higher Education, Pedagogy, Sustainable Development, Cultural Diversity, Social Impact, Teaching, Curriculum Development, Policy Analysis, Diversity Equity and Inclusion Initiatives, Qualitative Research, Critical Thinking
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Computational Thinking, Algorithms, Graph Theory, Data Structures, Computer Programming, C++ (Programming Language), Object Oriented Programming (OOP)
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Systems Engineering, Aerospace Basic Quality System Standards, Global Positioning Systems, Engineering Design Process, Control Systems, Systems Integration, Engineering, Human Factors, System Testing, Communication Systems, Robotics, Automation, Structural Engineering, Thermal Management, Physical Science, Electric Power Systems, Environmental Monitoring, Mechanics
Beginner · Course · 1 - 3 Months
Skills you'll gain: Team Building, Team Leadership, Leadership and Management, Rapport Building, Employee Onboarding, Leadership, Recognizing Others, Team Motivation, Performance Analysis, Employee Performance Management, Meeting Facilitation, Constructive Feedback, Safety Culture, Productivity, Coaching, Workplace inclusivity, Empathy, Goal Setting, Planning, Communication
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Tax Compliance, Registration, Export Control, Tax, Claims Processing, Compliance Reporting, Tax Laws, Invoicing, Regulation and Legal Compliance, Timelines, Problem Solving
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Rmarkdown, Plot (Graphics), Ggplot2, Statistical Visualization, Box Plots, Scatter Plots, Data Visualization, Histogram, Descriptive Statistics, Data Visualization Software, Graphing, R Programming, Data Science
Beginner · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Plant Operations and Management, Equipment decontamination, Biology, Environment
Beginner · Course · 1 - 3 Months

Skills you'll gain: Web Services, Restful API, Apache Maven, Spring Boot, Spring Framework, Gradle, Simple Object Access Protocol (SOAP), Java Platform Enterprise Edition (J2EE), Java, API Design, Application Frameworks, Secure Coding, Object-Relational Mapping, Data Persistence, JSON, Extensible Markup Language (XML)
Intermediate · Course · 3 - 6 Months

L&T EduTech
Skills you'll gain: Equipment Design, Plant Operations and Management, Manufacturing Processes, Chemical Engineering, Process Engineering, Mechanical Engineering, Materials science, Manufacturing Operations, Manufacturing and Production, Process Control, Production Process, Petroleum Industry, Engineering Practices, Engineering Design Process
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), File I/O, Object Oriented Programming (OOP), Test Automation, Web Development Tools, Computer Programming, Scripting, Python Programming, Automation, Scripting Languages, Integrated Development Environments, Debugging
Beginner · Course · 1 - 3 Months