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.

University of London
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), Web Content Accessibility Guidelines, HTML and CSS, Web Design, Frontend Performance, Usability, Web Design and Development, User Interface (UI), Usability Testing, Animations
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Bankruptcies, Securities (Finance), Commercial Laws, Loans, Banking, Financial Regulations, Regulation and Legal Compliance, Business, Financial Regulation, Organizational Structure, Governance, Mergers & Acquisitions
Build toward a degree
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Matplotlib, Seaborn, Plot (Graphics), Pandas (Python Package), NumPy, Data Visualization Software, Data Visualization, Programming Principles, Computer Programming, Histogram, Functional Design, Package and Software Management, Data Import/Export, Scripting, Scripting Languages, Data Manipulation, Python Programming, Data Science, Data Structures, Software Engineering
Beginner · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: Eclipse (Software), Java Programming, Object Oriented Programming (OOP), Java, Object Oriented Design, Integrated Development Environments, Development Environment, Computer Programming, Debugging, Virtual Machines, Algorithms
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, User Interface (UI), Cascading Style Sheets (CSS), User Interface and User Experience (UI/UX) Design, Web Applications, Web Development, Front-End Web Development, HTML and CSS, Javascript, Real Time Data, Hypertext Markup Language (HTML), Application Programming Interface (API), Event-Driven Programming, Animations
Advanced · Course · 3 - 6 Months

Skills you'll gain: Figma (Design Software), Usability Testing, Responsive Web Design, User Interface and User Experience (UI/UX) Design, User Experience Design, Usability, Wireframing, User Interface (UI) Design, Prototyping, Design Thinking, User Flows, Design Research, Front-End Web Development, User Interface (UI), Mockups, User Centered Design, UI Components, Software Design Documents, UI/UX Strategy, Interaction Design
Intermediate · Specialization · 3 - 6 Months

IE Business School
Skills you'll gain: Marketing Planning, Business Planning, Marketing Strategies, Product Marketing, Go To Market Strategy, Marketing Strategy and Techniques, Case Studies, Planning, Target Market, Marketing Budgets, Marketing Analytics, Brand Strategy, Market Analysis, Competitive Analysis, Profit and Loss (P&L) Management
Mixed · Course · 1 - 4 Weeks

MedCerts
Skills you'll gain: Patient-centered Care, Informed Consent, Basic Patient Care, Patient Communication, Nursing Basics, Toileting, Dignity in Care, Medical Privacy, Oral Hygiene, Home Health Care, Nursing Homes, Personal Care, Activities of Daily Living (ADLs), Communication
Beginner · Course · 1 - 4 Weeks

Immersify
Skills you'll gain: Endocrinology, Nephrology, Urology, Gynecology, Physiology, Anatomy, Obstetrics And Gynecology, Neurology, Immunology, Pathology, Health Assessment
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Unreal Engine, Object Oriented Programming (OOP), C++ (Programming Language), Debugging, Computer Programming, Video Game Development, 3D Assets, Development Environment, Software Documentation, Data Storage, Scripting
Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Model Deployment, Federated Learning, Tensorflow, Transfer Learning, Model Evaluation, Machine Learning, Information Privacy, Application Programming Interface (API), Artificial Neural Networks, Data Visualization
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Statistical Hypothesis Testing, Statistical Methods, Sample Size Determination, Statistical Inference, Estimation, Statistics, Probability & Statistics, Sampling (Statistics), Statistical Analysis, Microsoft Excel, Excel Formulas, Data Analysis, Decision Making
Mixed · Course · 1 - 4 Weeks