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: Responsive Web Design, User Interface (UI), UI Components, Figma (Design Software), UI/UX Strategy, User Interface and User Experience (UI/UX) Design, Prototyping, Usability, Usability Testing, Web Design, Interactive Design, User Experience Design, Mobile Development, Style Guides, Web Development, Animations
★ 5 (33) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Software Installation, Code Reusability, Functional Design, Programming Principles, Data Validation, Python Programming, Program Development, Scripting, Software Design, Computational Thinking, Development Environment, Computational Logic, Computer Programming, Algorithms, Command-Line Interface, Arithmetic, Problem Solving
★ 4.5 (36) · Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Anomaly Detection, Malware Protection, Threat Detection, Network Analysis, AI Security, Cybersecurity, Model Evaluation, Network Security, Machine Learning Methods, Classification Algorithms, Microsoft Windows
★ 4.7 (24) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: MySQL Workbench, MySQL, Database Design, SQL, Database Development, Database Systems, Database Management, Relational Databases, Databases, Data Integration, Data Manipulation, Business Intelligence
★ 4.4 (31) · Beginner · Guided Project · Less Than 2 Hours

Amazon Web Services
Skills you'll gain: Root Cause Analysis, Customer Relationship Building, Customer Relationship Management, Relationship Management, Problem Management, Verbal Communication Skills, Cloud Management, Customer Support, Amazon Web Services, Technical Support and Services, Oral Expression, Customer and Client Support, Communication, Consultative Approaches, Technical Support, Cloud Security, Cloud Services, Automation, Collaboration, Incident Management
★ 4.9 (28) · Beginner · Course · 1 - 4 Weeks

Dartmouth College
Skills you'll gain: Structural Analysis, Structural Engineering, Civil Engineering, Vibrations, SketchUp (3D Modeling Software), Engineering Analysis, Mechanics, Construction, Mathematical Modeling, Failure Analysis, Design, 3D Modeling
★ 4.9 (49) · Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Health Informatics, Machine Learning Methods, Deep Learning, Machine Learning, Machine Learning Algorithms, Health Care, Artificial Neural Networks, Applied Machine Learning, Supervised Learning, Model Evaluation, Artificial Intelligence and Machine Learning (AI/ML), Healthcare Project Management, Medical Science and Research, Unsupervised Learning, Program Development
★ 3.1 (30) · Advanced · Course · 1 - 4 Weeks

Queen Mary University of London
Skills you'll gain: Tax, Tax Laws, Law, Regulation, and Compliance, Cloud Services, Tax Compliance, Cloud Computing, Regulation and Legal Compliance, Cloud Storage, Corporate Tax, Income Tax, General Data Protection Regulation (GDPR), Data Access, Legal Risk, Digital Forensics, Interoperability, Competitive Analysis, Market Analysis, Market Dynamics
★ 4.8 (45) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Malware Protection, Endpoint Security, Mobile Security, Cloud Security, Application Security, Cloud Deployment, Cloud Computing, Threat Detection, Cyber Attacks, Endpoint Detection and Response, Information Systems Security, Virtualization, Virtual Machines, Intrusion Detection and Prevention, Data Security, Human Factors (Security), Encryption, Information Privacy
★ 4.8 (36) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Figma (Design Software), Responsive Web Design, User Experience Design, User Interface and User Experience (UI/UX) Design, Layout Design, User Interface (UI) Design, Web Design, Typography, Usability, E-Commerce, User Interface (UI), User Experience, Design Elements And Principles, Prototyping, UI Components
★ 4.3 (33) · Intermediate · Course · 1 - 3 Months

Politecnico di Milano
Skills you'll gain: Grant Writing, Public Speaking, Proposal Writing, Verbal Communication Skills, Critical Thinking, Communication, Writing, Persuasive Communication, Communication Strategies, Research Reports
★ 4.9 (34) · Beginner · Course · 1 - 3 Months

Peking University
Skills you'll gain: Patient Evaluation, Nursing Process, Perioperative Care, Nursing and Patient Care, Nurse Education, Nursing Care, Nursing, Oncology, Clinical Nursing, Medical Surgical Nursing, Patient Education And Counseling, Diagnostic Tests, Public Health and Disease Prevention, Preventative Care, Radiation Therapy, Surgery, Pathology, Patient Treatment, General Medical Tests and Procedures, Epidemiology
★ 4.7 (34) · Intermediate · Course · 1 - 3 Months