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.

Skills you'll gain: Jest (JavaScript Testing Framework), Django (Web Framework), Version Control, Restful API, Responsive Web Design, Cascading Style Sheets (CSS), Unix Commands, HTML and CSS, Git (Version Control System), API Testing, GitHub, Relational Databases, Database Management Systems, Bootstrap (Front-End Framework), React.js, Mobile Development, SQL, Database Design, API Design, Python Programming
★ 4.7 (25K) · Beginner · Specialization · 3 - 6 Months

MedCerts
Skills you'll gain: Healthcare Ethics, Occupational Safety and Health Administration (OSHA), Patient Transport, Patient Observation, Blood Pressure, Dignity in Care, Healthcare Industry Knowledge
Beginner · Course · 1 - 3 Months

Skills you'll gain: Medical Terminology, Pulmonology, Pathology, Endocrinology, Cardiology, Medical Records, Respiratory Therapy, Neurology, Obstetrics And Gynecology, General Medical Tests and Procedures, Diagnostic Tests, Urology, Gynecology, Anatomy, Human Musculoskeletal System, Health Information Management and Medical Records, Cell Biology, Orthopedics, Physiology, Immunology
★ 4.7 (275) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Cloud Deployment, Software Development Life Cycle, CI/CD, Cloud-Native Computing, Istio, Software Architecture, Node.JS, React Redux, Cloud Computing Architecture, Application Deployment, Kubernetes, Restful API, Responsive Web Design, Django (Web Framework), HTML and CSS, Server Side, Cloud Computing, Data Ethics, Data Import/Export, Engineering Software
★ 4.6 (60K) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Quality Management, Project Closure, Scope Management, Team Management, Sprint Retrospectives, Project Management, Project Planning, Agile Project Management, Quality Assurance, Backlogs, Team Leadership, Project Scoping, Project Management Life Cycle, Stakeholder Analysis, Project Controls, Project Risk Management, Project Implementation, Change Management, Interviewing Skills, Applicant Tracking Systems
★ 4.8 (142K) · Beginner · Professional Certificate · 3 - 6 Months

Rice University
Skills you'll gain: Human Musculoskeletal System, Anatomy, Endocrinology, Orthopedics, Kinesiology, Physiology, Neurology, Medical Terminology, Cell Biology, Biology, Chemistry, Clinical Practices, Sports Medicine, Physical Therapy, Molecular, Cellular, and Microbiology, Life Sciences, Lifelong Learning
★ 4.7 (168) · Intermediate · Specialization · 3 - 6 Months

IBM
Skills you'll gain: Prompt Engineering, Prompt Patterns, Software Development Life Cycle, Retrieval-Augmented Generation, Software Architecture, Computer Vision, LangChain, ChatGPT, Restful API, Responsive Web Design, LLM Application, Generative AI, IBM Cloud, Data Ethics, Data Import/Export, AI Workflows, Python Programming, Engineering Software, Machine Learning, Data Science
★ 4.7 (81K) · Beginner · Professional Certificate · 3 - 6 Months
Arizona State University
Skills you'll gain: Digital pedagogy, Oral Expression, Train The Trainer, Vocabulary, Design Elements And Principles, Design Strategies, English Language, Language Learning, Verbal Communication Skills, Public Speaking, Grammar
★ 4.9 (20K) · Beginner · Specialization · 3 - 6 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Customer Engagement, Marketing Strategy and Techniques, Online Advertising, Web Analytics and SEO, MarTech, Data Architecture, Social Media Marketing, Search Engine Optimization, Marketing Automation, Marketing Channel, Performance Analysis, Consumer Behaviour, Driving engagement, Data-Driven Decision-Making, Marketing Planning, Digital Transformation, Customer Insights, Emerging Technologies, Experimentation, Data Visualization
★ 4.7 (23K) · Beginner · Specialization · 3 - 6 Months

Multiple educators
Skills you'll gain: Incident Response, Digital Forensics, Network Security, Computer Security Incident Management, Cloud Computing Architecture, Penetration Testing, Cloud Services, Business Continuity, Cloud Deployment, Disaster Recovery, Security Controls, Generative AI, Configuration Management, Governance, Cybersecurity, Data Storage, Peripheral Devices, Application Security, Information Technology, Cryptography
★ 4.7 (15K) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Data Storytelling, Media Planning, Social Media Marketing, Google Ads, Email Marketing, Social Media Strategy, Order Fulfillment, Social Media Management, Online Advertising, Search Engine Optimization, Performance Measurement, Spreadsheet Software, A/B Testing, Client Services, Campaign Management, E-Commerce, Loyalty Programs, Marketing, Interviewing Skills, Applicant Tracking Systems
★ 4.8 (49K) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Threat Modeling, Network Security, Threat Management, Vulnerability Management, Intrusion Detection and Prevention, Hardening, Computer Security Incident Management, Security Management, Cyber Threat Intelligence, Cyber Attacks, Incident Response, Cybersecurity, Network Protocols, Threat Detection, Bash (Scripting Language), Debugging, Linux, Interviewing Skills, Python Programming, SQL
★ 4.8 (66K) · Beginner · Professional Certificate · 3 - 6 Months