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 Minnesota
Skills you'll gain: Software Testing, JUnit, Verification And Validation, Unit Testing, Test Case, Test Automation, Development Testing, Test Planning, Test Tools, White-Box Testing, Code Coverage, Software Quality Assurance, Functional Testing, Test Script Development, Systems Development Life Cycle, Test Data, Technical Communication
★ 4.3 (830) · Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Linux, Linux Commands, Linux Servers, Ubuntu, File Management, Command-Line Interface, Unix, Bash (Scripting Language), grep, Servers, Operating Systems, File Systems, Shell Script, Web Servers, IT Automation, Apache, MySQL, Open Source Technology, Service Management
★ 4.5 (965) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Patient Communication, Patient Education And Counseling, Pharmacy Operations, Patient-centered Care, Medication Administration, Pharmacy, Pharmaceuticals, Chronic Diseases, Empathy & Emotional Intelligence, Health And Safety Standards
★ 4.8 (13) · Intermediate · Course · 1 - 4 Weeks
University of Pennsylvania
Skills you'll gain: Positivity, Personal Attributes, Research, Research Methodologies, Optimism, Personal Development, Science and Research, Social Impact, Research Design, Mental Health Diseases and Disorders, Psychology, Self-Awareness, Ethical Standards And Conduct, Program Evaluation
★ 4.8 (925) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: React Native, UI Components, Mobile Development, Responsive Web Design, User Interface (UI), User Interface (UI) Design, Debugging, React Redux, Figma (Design Software), Mobile Development Tools, Development Environment, Application Programming Interface (API), Animations, Javascript
Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: React.js, Webpack, Web Development Tools, Web Applications, Front-End Web Development, Build Tools, JavaScript Frameworks, Responsive Web Design
Beginner · Course · 1 - 3 Months

ConsenSys Academy
Skills you'll gain: Blockchain, Cryptography, Interoperability, Cryptographic Protocols, Encryption, Public Key Cryptography Standards (PKCS), FinTech, Emerging Technologies, Ledgers (Accounting), Distributed Computing, Case Studies, Digital Assets, Data Integrity, Transaction Processing
★ 4.7 (846) · Beginner · Course · 1 - 3 Months

University of Geneva
Skills you'll gain: Physics, electromagnetics, Engineering, Scientific, and Technical Instruments, Laboratory Research, Laboratory Equipment, Physical Science, Science and Research, Experimentation, Research
★ 4.4 (965) · Mixed · Course · 1 - 3 Months

The University of North Carolina at Chapel Hill
Skills you'll gain: Data Sharing, Data Management, Data Storage, File Management, Data Security, Information Management, Metadata Management, Records Management, Data Governance, Data Integrity, Data Persistence, Data Ethics, Version Control
★ 4.7 (750) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Kubernetes, Cloud-Native Computing, Google Cloud Platform, Application Deployment, Scalability, Load Balancing, Containerization, Data Persistence, Data Storage, General Networking, Network Security, Configuration Management
★ 4.7 (1.3K) · Intermediate · Course · 1 - 3 Months

The University of Chicago
Skills you'll gain: Intellectual Property, Electronic Media, Law, Regulation, and Compliance, Information Privacy, Media and Communications, General Data Protection Regulation (GDPR), Personally Identifiable Information, Digital Content, Digital Publishing, General Networking, Technology Strategies, Network Infrastructure, Regulation and Legal Compliance, Telecommunications, Legal Strategy, Legal Risk, Market Dynamics, Economic Development, Case Law, Lawsuits
★ 4.8 (1.1K) · Mixed · Course · 1 - 3 Months

Tel Aviv University
Skills you'll gain: Biological Engineering, Biotechnology, Cell Biology, Life Sciences, Molecular Biology, Biochemistry, Biology, Anatomy, Molecular, Cellular, and Microbiology, Physiology, Food and Beverage, Food Quality Assurance And Control, Sustainable Development, Environmental Science, Environmental Issue
★ 4.8 (1.2K) · Intermediate · Course · 1 - 4 Weeks