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.

MedCerts
Skills you'll gain: Healthcare Ethics, Direct Patient Care, Occupational Safety and Health Administration (OSHA), Safety Training, Safety Standards, Nursing Basics, Caregiving, Patient Observation, Blood Pressure, Dignity in Care, Patient Assistance, Basic Nursing Skills, Health Care, Injury Prevention, Healthcare Industry Knowledge, Oral Hygiene
Beginner · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Large Language Modeling, Model Evaluation, Model Training, Hugging Face, Data Preprocessing, Fine-tuning, Model Optimization, Transfer Learning, Generative AI
★ 4.6 (18) · Beginner · Project · Less Than 2 Hours

The University of Edinburgh
Skills you'll gain: Pulmonology, Chronic Diseases, Respiratory Care, Primary Care, Pulmonary Function Testing, Respiration, Patient Evaluation, Rehabilitation, Psychosocial Assessments, Diagnostic Tests, Treatment Planning, Health Equity, Care Management, Patient Education and Support, Community Health, Patient-centered Care, Pharmacotherapy, Behavioral Health
★ 4.8 (9) · Mixed · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Electronics, Communication Systems, Digital Communications, Telecommunications, Digital Signal Processing, Electronic Components, Hardware Troubleshooting, Computer Hardware, Network Analysis
★ 4.9 (14) · Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: DevSecOps, DevOps, Application Security, Secure Coding, Security Testing, Continuous Delivery, CI/CD, Continuous Integration, Containerization, Security Software, Automation
★ 4.4 (23) · Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Amazon Web Services, AWS Identity and Access Management (IAM), Amazon DynamoDB, Cloud Services, Cloud Computing, Relational Databases, Cloud Storage, Amazon CloudWatch, Databases, Database Management, Authorization (Computing), Operational Databases, Virtual Private Networks (VPN), Configuration Management
★ 4.3 (20) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Electrophysiology, Kinesiology, Exercise Science, Human Musculoskeletal System, Coordination, Exercise Therapy, Neurology, Sports Medicine, Physiology, Anatomy
★ 4.6 (10) · Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Restful API, ASP.NET, Microsoft SQL Servers, C# (Programming Language), Web Services, Database Management, Database Development, JSON, Back-End Web Development, SQL, Database Design, Server Side, .NET Framework, Object Oriented Programming (OOP), Application Programming Interface (API), API Design, Database Architecture and Administration, Programming Principles
★ 4.1 (14) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Application Deployment, Kubernetes, Network Troubleshooting, Performance Tuning, Network Routing, Network Security, Network Administration, Scalability
★ 3.6 (18) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Anomaly Detection, Computer Vision, Microsoft Azure, Data Ethics, Artificial Intelligence, Natural Language Processing, AI Workflows, Artificial Intelligence and Machine Learning (AI/ML), AI literacy, Applied Machine Learning, Machine Learning
★ 4.3 (23) · Beginner · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Data Storytelling, Digital Transformation, Data-Driven Decision-Making, Business Transformation, Data Presentation, Data Strategy, Data Literacy, Agile Project Management, Business Analytics, Strategic Decision-Making, Analytics, Agile Methodology, Storytelling, Customer experience strategy (CX), Presentations, Microsoft Power Platform, Proposal Writing, Leadership, Data Quality, Stakeholder Communications
★ 5 (19) · Beginner · Specialization · 3 - 6 Months

L&T EduTech
Skills you'll gain: Manufacturing Processes, Manufacturing Operations, Manufacturing and Production, Production Process, Manufacturing Standards, Safety Standards, Technical Standard, Engineering Practices, Materials science, Design Reviews, Failure Analysis, Engineering Drawings, Thermal Management
★ 4.9 (13) · Intermediate · Course · 1 - 4 Weeks