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, Engineering Analysis, Mathematical Modeling
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cryptographic Protocols, Blockchain, Cryptography, Encryption, Business Continuity, Application Security, Disaster Recovery, Threat Modeling, Vulnerability Assessments, Cybersecurity, Enterprise Security, Network Security, Regulation and Legal Compliance, Data Security, Secure Coding, Key Management, Application Frameworks, Public Key Cryptography Standards (PKCS), Distributed Denial-Of-Service (DDoS) Attacks, Cyber Risk
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Rapport Building, Non-Verbal Communication, Executive Presence, Business Communication, Relationship Building, Interpersonal Communications, Professionalism, Empathy & Emotional Intelligence, Communication Strategies, Presentations, Self-Awareness
Mixed · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Grant Writing, Sample Size Determination, Biostatistics, Statistical Analysis, Data Analysis, Clinical Research, Statistical Methods, Statistical Reporting, Science and Research
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Restful API, ASP.NET, Microsoft SQL Servers, C# (Programming Language), Web Services, Database Management, JSON, SQL, Database Design, Server Side, Object Oriented Programming (OOP), API Design, Programming Principles
Intermediate · Course · 1 - 4 Weeks

KodeKloud
Skills you'll gain: Package and Software Management, Command-Line Interface, Linux Commands, Linux, Linux Administration, Unix Commands, File Systems, Data Storage, Network Troubleshooting, Operating Systems, Remote Access Systems, Operating System Administration, System Support, Software Installation, File Management, Service Management, General Networking, DevOps, Network Security, User Accounts
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Student Engagement, Teaching, Empowerment, Instructional Strategies, Writing, Mentorship, Case Studies, Literacy, Constructive Feedback
Beginner · Course · 1 - 4 Weeks

Universidad de Palermo
Skills you'll gain: Eclipse (Software), Java, Java Programming, Object Oriented Programming (OOP), Integrated Development Environments, Data Structures, File I/O, Programming Principles, Algorithms, Computer Programming, Development Environment, Computational Thinking, Debugging, Software Development
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Peer Review, Data Literacy, Research, Quantitative Research, Report Writing, Analytical Skills, Data Analysis, Research Methodologies, Statistical Analysis
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Vue.JS, JavaScript Frameworks, UI Components, Web Development Tools, Development Environment, Front-End Web Development, Event-Driven Programming, Web Applications, Android Development, Data Store
Intermediate · Course · 1 - 4 Weeks

American Council on Exercise
Skills you'll gain: Goal Setting, Health And Wellness Coaching, Smart Goals, Patient Education And Counseling, Workplace inclusivity, Motivational Interviewing, Patient Communication, Active Listening, Coaching, Ethical Standards And Conduct, Patient Evaluation, Exercise Science, Health Assessment, Behavior Management, Interpersonal Communications, Professionalism, Relationship Building
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Systems Thinking, Environmental Laws, Sustainable Development, Climate Change Adaptation, Community Development, Land Development, Social Impact, Social Justice, Environmental Policy, Policy Analysis, Sustainable Technologies, Public Works, Sustainable Design, Climate Change Mitigation, Public Policies, Socioeconomics, Environmental Issue, Environmental Science, Case Studies, Emerging Technologies
Beginner · Specialization · 3 - 6 Months