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: Ruby (Programming Language), Object Oriented Programming (OOP), Debugging, Code Reusability, Development Environment, Integrated Development Environments, Computer Programming, Programming Principles, Apple Xcode, Computational Logic, Software Installation, Other Programming Languages, Computer Programming Tools, Microsoft Windows, Command-Line Interface
Beginner · Course · 1 - 3 Months

Skills you'll gain: Blockchain, User Interface (UI), Bootstrap (Front-End Framework), User Interface (UI) Design, Development Environment, Debugging, Frontend Integration, Full-Stack Web Development, Animations, Web Applications, Test Tools, Unit Testing, FinTech, Application Development, Javascript, Emerging Technologies, Virtual Machines, Software Testing, Integrated Development Environments, Other Programming Languages
Intermediate · Specialization · 3 - 6 Months

University of Leeds
Skills you'll gain: Exploratory Data Analysis, Statistical Methods, Statistical Modeling, Statistical Software, R (Software), Probability & Statistics, Data Collection, Statistics, Data Literacy, Statistical Inference, R Programming, Statistical Programming, Probability, Data Analysis, Statistical Analysis, Probability Distribution, Simulations, Statistical Visualization, Statistical Reporting, Data Visualization Software
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Google Ads, Advertising Campaigns, Search Engine Marketing, Campaign Management, Online Advertising, Digital Advertising, Registration, Marketing, Digital Marketing, Test Planning
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Network Security, Network Monitoring, Firewall, Google Cloud Platform, Cloud Security, Intrusion Detection and Prevention, Identity and Access Management, Proxy Servers, Network Administration, Threat Detection, Infrastructure Security, Cyber Security Policies
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Seaborn, Matplotlib, NumPy, Plot (Graphics), Scatter Plots, Statistical Visualization, Data Visualization Software, Box Plots, Histogram, Jupyter, Heat Maps, Graphing, Data Manipulation, AI Workflows, Development Environment, Python Programming
Mixed · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Responsive Web Design, HTML and CSS, Typography, Cascading Style Sheets (CSS), UI Components, Web Design, User Interface (UI), Interactive Design, User Interface (UI) Design, Web Design and Development, User Interface and User Experience (UI/UX) Design, Browser Compatibility, Usability, Hypertext Markup Language (HTML), Web Content Accessibility Guidelines, Animations, Front-End Web Development, Web Components, Web Development, Web Development Tools
Intermediate · Specialization · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Apache Spark, Scala Programming, Apache Hadoop, Big Data, Data Manipulation, Distributed Computing, Data Processing, Performance Tuning, SQL, Data Transformation, Network Performance Management, Data Persistence, Data Analysis, Programming Principles
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Recurrent Neural Networks (RNNs), Generative AI, Fine-tuning, Vision Transformer (ViT), Machine Learning Methods, Model Optimization, Model Training, Large Language Modeling, Embeddings, Network Architecture
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Graphic and Visual Design, Adobe Creative Cloud, Graphical Tools, Graphic Design, Logo Design, Graphics Software, Graphic and Visual Design Software, Creative Design, Computer Graphic Techniques, Digital Design
Intermediate · Guided Project · Less Than 2 Hours

Rutgers the State University of New Jersey
Skills you'll gain: Enterprise Resource Planning, Procurement, Purchasing, Robotic Process Automation, Business Technologies, Supply Chain Systems, Business Process Automation, Technology Solutions, Accounts Payable, AI Enablement, Digital Transformation, Automation, AI Integrations
Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Responsive Web Design, User Interface (UI) Design, User Interface (UI), User Interface and User Experience (UI/UX) Design, Web Design, Digital Design, HTML and CSS, Web Design and Development, Graphic and Visual Design, Design Elements And Principles, Maintainability, Layout Design, Cascading Style Sheets (CSS), Creative Design, Usability, User Experience Design, Code Reusability, Web Applications, Hypertext Markup Language (HTML), Color Theory
Intermediate · Course · 1 - 3 Months