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: Design Thinking, Data Science, Process Design, Strategic Thinking, Data Pipelines, Data Validation, Data Processing, Workflow Management, Data Cleansing, Data Quality, Business Priorities, NumPy, Machine Learning, Python Programming
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Pandas (Python Package), Data Analysis, Data Manipulation, NumPy, Python Programming
Beginner · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Data Literacy, Data Visualization, Data Analysis, Research Design, Descriptive Statistics, Analytics, Analysis, Statistics, Quantitative Research, Statistical Methods, Probability & Statistics
Beginner · Course · 1 - 4 Weeks

Aptly
Skills you'll gain: TikTok, Content Performance Analysis, Business Marketing, Social Media Marketing, Content Creation, Online Advertising, Storytelling, Social Media Strategy, Social Media, Marketing Strategies, Performance Measurement, Content Marketing, Video Editing, Video Production, Social Media Content, Advertising, Digital Media Strategy, Advertising Campaigns, Performance Analysis, Marketing
Beginner · Specialization · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Biology, Taxonomy, Anthropology, World History, Environmental Science, Microbiology, Climate Change Adaptation, Scientific Methods, Chemistry
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Community Health, Community Development, Public Health, Social Determinants Of Health, Health Promotion, Public Health and Disease Prevention, Health Disparities, Health Policy, Community and Social Work, Health Systems, Political Sciences, Program Evaluation, Cultural Diversity, Case Studies
Mixed · Course · 1 - 3 Months

Scrimba
Skills you'll gain: JSON, Event-Driven Programming, Javascript, Mobile Development, Data Structures, Application Development, Object Oriented Programming (OOP), Video Game Development, Web Applications, Data Persistence, Scripting, Computer Programming, Front-End Web Development, Web Development, Debugging
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Design Thinking, Healthcare Project Management, Solution Design, Quality Improvement, Patient Flow, Continuous Quality Improvement (CQI), Patient Safety, Creative Problem-Solving, Innovation, Brainstorming, Project Management, User Centered Design, Collaboration
Mixed · Course · 1 - 4 Weeks
LearnQuest
Skills you'll gain: Data Warehousing, Cloud Deployment, Data Analysis, Cloud Computing, Data Architecture, Big Data, Cloud Services, Analytics, Analysis, Data Storage, Cloud Infrastructure, Scalability, Data Processing, Extract, Transform, Load, Public Cloud, Software As A Service, Database Architecture and Administration, Statistical Analysis, Data Strategy, Data Integration
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Calculus, Mathematical Software, Data Analysis, Mathematical Theory & Analysis, Derivatives, Graphing, Algebra
Beginner · Course · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Geographic Information Systems, GIS Software, Spatial Data Analysis, NoSQL, Data Modeling, Database Design, Databases, Data Storage Technologies, SQL, Data Storage, Data Capture, Query Languages, Relational Databases
Beginner · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Application Development, Android (Operating System), Android Studio, Mobile Development, Software Development Tools, Game Design, Computer Programming Tools, Development Environment, Internet Of Things, Embedded Software, Web Servers, Web Applications, USB, Ubuntu, Peripheral Devices, Operating Systems, Software Installation, Command-Line Interface, System Configuration, Hardware Troubleshooting
Mixed · Course · 1 - 3 Months