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.

West Virginia University
Skills you'll gain: Sales Management, Sales Strategy, Account Management, Sales, Sales Process, Strategic Planning, Sales Training, Inside Sales, General Sales Practices, Selling Techniques, Business Strategy, Outside Sales, Purchasing, Compensation Management, Goal Setting, Recruitment
★ 4.5 (309) · Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Medical Privacy, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Health Information Management, Security Awareness, Cloud Security, Encryption, Personally Identifiable Information, Health Informatics, Health Information Management and Medical Records, Healthcare Industry Knowledge, Health Care Procedure and Regulation, Data Security, Security Controls, Cyber Attacks, Medical Records, Health Technology, Health Administration, Information Privacy, Cloud Computing, Patient Safety
★ 4.8 (477) · Beginner · Course · 1 - 4 Weeks

École normale supérieure
Skills you'll gain: Theoretical Computer Science, Combinatorics, Algorithms, Graph Theory, Operations Research, Linear Algebra, Applied Mathematics, Mathematical Modeling, Solution Design, Probability
★ 4.7 (558) · Mixed · Course · 1 - 3 Months

Duke University
Skills you'll gain: Pandas (Python Package), Version Control, Git (Version Control System), Data Manipulation, Software Development Tools, Development Environment, Data Structures, Python Programming, Microsoft Development Tools, Data Analysis Software, Package and Software Management, Virtual Environment
★ 4.6 (278) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Identity and Access Management, Google Cloud Platform, Cloud API, User Accounts, Application Programming Interface (API), Cloud Services, Role-Based Access Control (RBAC), Cloud Platforms, Cloud Storage
★ 4.7 (303) · Beginner · Project · Less Than 2 Hours

University of Cape Town
Skills you'll gain: Strategic Communication, Stakeholder Engagement, Climate Change Adaptation, Social Impact, Influencing, Stakeholder Management, Research, Strategic Partnership, Communication Strategies, Program Evaluation, Community Development, Sustainable Development, Research Design, Stakeholder Analysis, Organizational Change, Policy Analysis, Stakeholder Communications, Science and Research, Environmental Policy, Systems Thinking
★ 4.8 (214) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Game Design, Human Computer Interaction, Program Development, Code Reusability, Python Programming, Programming Principles, Computer Programming, Mathematical Software, Data Analysis
★ 4.7 (291) · Beginner · Guided Project · Less Than 2 Hours

The University of Edinburgh
Skills you'll gain: Video Production, Photo/Video Production and Technology, Videography, Post-Production, Video Editing, Course Development, Storyboarding, Media Production, Cinematography, Developing Training Materials, Content Creation, Visual Storytelling, Storytelling, Editing
★ 4.7 (239) · Beginner · Course · 1 - 4 Weeks

Yonsei University
Skills you'll gain: Wireless Networks, Telecommunications, Mobile Development, Apple iOS, Display Devices, Business Planning, iOS Development, Product Planning, Android (Operating System), Company, Product, and Service Knowledge, Communication Systems, Business Strategy, Business Strategies, Network Analysis, Network Performance Management, Emerging Technologies, Operating Systems, Knowledge of Apple Hardware, System Software, Market Intelligence
★ 4.7 (490) · Beginner · Course · 1 - 3 Months

Yonsei University
Skills you'll gain: Global Marketing, Growth Strategies, Digital Marketing, Marketing, Marketing Strategies, Innovation, Brand Strategy, Business Strategies, Storytelling
★ 4.7 (500) · Mixed · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Extract, Transform, Load, Data Pipelines, Data Import/Export, Tensorflow, Data Preprocessing, Data Processing, Feature Engineering, Data Transformation, Data Sharing, Model Training, Data Management, Performance Tuning, Applied Machine Learning
★ 4.5 (536) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Open Web Application Security Project (OWASP), Secure Coding, Application Security, Security Testing, DevSecOps, Threat Modeling, Vulnerability Scanning, Continuous Monitoring, Vulnerability Assessments, Application Performance Management, System Monitoring, Vulnerability Management, Development Environment, Security Controls, DevOps, Data Security, Software Development Life Cycle
★ 4.7 (255) · Intermediate · Course · 1 - 4 Weeks