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.

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Differential Equations, Applied Mathematics, Advanced Mathematics, Linear Algebra, Calculus, Mathematical Modeling, Mathematical Theory & Analysis
Intermediate · Course · 1 - 3 Months

Alibaba Cloud Academy
Skills you'll gain: Docker (Software), Containerization, Cloud Deployment, Application Deployment, Devops Tools, Kubernetes, Terraform, Prometheus (Software), Cloud Computing, Performance Tuning, Application Performance Management, Operating System Administration, Cloud Development, Cloud Management, Cloud Applications, DevOps, Infrastructure As A Service (IaaS), Cloud Platforms, Operating Systems, Web Development
Beginner · Specialization · 3 - 6 Months

University of North Texas
Skills you'll gain: Writing, Grammar, Writing and Editing, Literacy, Proofreading, Editing, Vocabulary, English Language
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Application Deployment, Integrated Development Environments, Development Testing, Web Development Tools, Program Development, Cryptographic Protocols, Javascript, Scripting
Beginner · Guided Project · Less Than 2 Hours

Logical Operations
Skills you'll gain: Data Presentation, Data Visualization, Microsoft Excel, Data Storytelling, Data Literacy, Data Visualization Software, Spreadsheet Software, Pivot Tables And Charts, Data Analysis, Data Science, Exploratory Data Analysis, Analysis, Productivity Software, Microsoft Office, Microsoft 365
Mixed · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Network Architecture, Network Planning And Design, Virtual Networking, Network Infrastructure, Google Cloud Platform, General Networking, Network Routing, Computer Networking, Cloud Infrastructure, Network Security, Network Troubleshooting, Security Requirements Analysis, Network Model, Network Analysis, Firewall, Load Balancing, Hybrid Cloud Computing, Scalability
Intermediate · Course · 1 - 4 Weeks

American Council on Exercise
Skills you'll gain: Goal Setting, Health And Wellness Coaching, Smart Goals, Workplace inclusivity, Motivational Interviewing, Active Listening, Verbal Communication Skills, Ethical Standards And Conduct, Coaching, Exercise Science, Diversity Awareness, Health Assessment, Behavior Management, Interpersonal Communications, Healthcare Ethics, Professionalism, Relationship Building
Beginner · Course · 1 - 4 Weeks
University of Colorado Boulder
Skills you'll gain: Engineering Analysis, Vibrations, Mechanics, Finite Element Methods, Differential Equations, Applied Mathematics, Mathematical Modeling, Integral Calculus, Calculus
Advanced · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Rapport Building, Companionship, Relationship Building, Relationship Management, Team Building, Constructive Feedback, Friendliness, Collaboration, Professional Networking, Trustworthiness, Growth Mindedness, Communication Strategies
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: SQL, PostgreSQL, Database Management, Data Manipulation, Database Systems, Query Languages
Intermediate · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: JSON, Restful API, API Design, Web Applications, Application Programming Interface (API), Responsive Web Design, Cascading Style Sheets (CSS), Dashboard Creation, Event-Driven Programming, HTML and CSS, Javascript, Wireframing, Web Servers, Web Development, Real Time Data, Game Design, Hypertext Markup Language (HTML), Servers, Software Development
Intermediate · Specialization · 1 - 4 Weeks

University of Glasgow
Skills you'll gain: Strategic Leadership, Business Leadership, Leadership Studies, Strategic Thinking, Plan Execution, Business Strategy, Strategic Decision-Making, Organizational Strategy, Business Strategies, Leadership, Strategic Planning, Organizational Leadership, Leadership and Management, Business Management, Organizational Effectiveness, Goal Setting
Intermediate · Course · 1 - 4 Weeks